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Leopold Strobl
2025-10-09 12:14:29 +02:00
commit 684ab3a132
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63
vendor/twbs/bootstrap/site/.eslintrc.json vendored Normal file
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{
"root": true,
"env": {
"es6": false,
"jquery": true
},
"parserOptions": {
"ecmaVersion": 5,
"sourceType": "script"
},
"extends": [
"plugin:unicorn/recommended",
"xo",
"xo/browser"
],
"rules": {
"arrow-body-style": "off",
"capitalized-comments": "off",
"comma-dangle": [
"error",
"never"
],
"indent": [
"error",
2,
{
"MemberExpression": "off",
"SwitchCase": 1
}
],
"no-var": "off",
"object-curly-spacing": [
"error",
"always"
],
"object-shorthand": "off",
"operator-linebreak": [
"error",
"after"
],
"prefer-arrow-callback": "off",
"prefer-destructuring": "off",
"semi": [
"error",
"never"
],
"strict": "error",
"unicorn/no-array-method-this-argument": "off",
"unicorn/no-for-loop": "off",
"unicorn/no-null": "off",
"unicorn/numeric-separators-style": "off",
"unicorn/prefer-array-find": "off",
"unicorn/prefer-array-flat": "off",
"unicorn/prefer-dom-node-append": "off",
"unicorn/prefer-dom-node-dataset": "off",
"unicorn/prefer-includes": "off",
"unicorn/prefer-module": "off",
"unicorn/prefer-number-properties": "off",
"unicorn/prefer-prototype-methods": "off",
"unicorn/prefer-query-selector": "off",
"unicorn/prevent-abbreviations": "off"
}
}

117
vendor/twbs/bootstrap/site/assets/js/application.js vendored Normal file
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// NOTICE!! DO NOT USE ANY OF THIS JAVASCRIPT
// IT'S ALL JUST JUNK FOR OUR DOCS!
// ++++++++++++++++++++++++++++++++++++++++++
/*!
* JavaScript for Bootstrap's docs (https://getbootstrap.com/)
* Copyright 2011-2022 The Bootstrap Authors
* Copyright 2011-2022 Twitter, Inc.
* Licensed under the Creative Commons Attribution 3.0 Unported License.
* For details, see https://creativecommons.org/licenses/by/3.0/.
*/
/* global ClipboardJS: false, anchors: false, bsCustomFileInput: false */
(function ($) {
'use strict'
$(function () {
// Tooltip and popover demos
$('.tooltip-demo').tooltip({
selector: '[data-toggle="tooltip"]',
container: 'body'
})
$('[data-toggle="popover"]').popover()
$('.bd-example .toast')
.toast({
autohide: false
})
.toast('show')
// Live toast demo
$('#liveToastBtn').click(function () {
$('#liveToast').toast('show')
})
// Demos within modals
$('.tooltip-test').tooltip()
$('.popover-test').popover()
// Indeterminate checkbox example
$('.bd-example-indeterminate [type="checkbox"]').prop('indeterminate', true)
// Disable empty links in docs examples
$('.bd-content [href="#"]').click(function (e) {
e.preventDefault()
})
// Modal relatedTarget demo
$('#exampleModal').on('show.bs.modal', function (event) {
var $button = $(event.relatedTarget) // Button that triggered the modal
var recipient = $button.data('whatever') // Extract info from data-* attributes
// If necessary, you could initiate an AJAX request here (and then do the updating in a callback).
// Update the modal's content. We'll use jQuery here, but you could use a data binding library or other methods instead.
var $modal = $(this)
$modal.find('.modal-title').text('New message to ' + recipient)
$modal.find('.modal-body input').val(recipient)
})
// Activate animated progress bar
$('.bd-toggle-animated-progress').on('click', function () {
$(this).siblings('.progress').find('.progress-bar-striped').toggleClass('progress-bar-animated')
})
// Insert copy to clipboard button before .highlight
$('div.highlight').each(function () {
var btnHtml = '<div class="bd-clipboard"><button type="button" class="btn-clipboard" title="Copy to clipboard">Copy</button></div>'
$(this).before(btnHtml)
$('.btn-clipboard')
.tooltip()
.on('mouseleave', function () {
// Explicitly hide tooltip, since after clicking it remains
// focused (as it's a button), so tooltip would otherwise
// remain visible until focus is moved away
$(this).tooltip('hide')
})
})
var clipboard = new ClipboardJS('.btn-clipboard', {
target: function (trigger) {
return trigger.parentNode.nextElementSibling
}
})
clipboard.on('success', function (e) {
$(e.trigger)
.attr('title', 'Copied!')
.tooltip('_fixTitle')
.tooltip('show')
.attr('title', 'Copy to clipboard')
.tooltip('_fixTitle')
e.clearSelection()
})
clipboard.on('error', function (e) {
var modifierKey = /mac/i.test(navigator.userAgent) ? '\u2318' : 'Ctrl-'
var fallbackMsg = 'Press ' + modifierKey + 'C to copy'
$(e.trigger)
.attr('title', fallbackMsg)
.tooltip('_fixTitle')
.tooltip('show')
.attr('title', 'Copy to clipboard')
.tooltip('_fixTitle')
})
anchors.options = {
icon: '#'
}
anchors.add('.bd-content > h2, .bd-content > h3, .bd-content > h4, .bd-content > h5')
$('.bd-content').children('h2, h3, h4, h5').wrapInner('<span class="bd-content-title"></span>')
bsCustomFileInput.init()
})
})(jQuery)

52
vendor/twbs/bootstrap/site/assets/js/ie-emulation-modes-warning.js vendored Normal file
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// NOTICE!! DO NOT USE ANY OF THIS JAVASCRIPT
// IT'S ALL JUST JUNK FOR OUR DOCS!
// ++++++++++++++++++++++++++++++++++++++++++
// Intended to prevent false-positive bug reports about Bootstrap not working properly in old versions of IE due to folks testing using IE's unreliable emulation modes.
(function () {
'use strict'
function emulatedIEMajorVersion() {
var groups = /MSIE ([\d.]+)/.exec(window.navigator.userAgent)
if (groups === null) {
return null
}
var ieVersionNum = parseInt(groups[1], 10)
var ieMajorVersion = Math.floor(ieVersionNum)
return ieMajorVersion
}
function actualNonEmulatedIEMajorVersion() {
// Detects the actual version of IE in use, even if it's in an older-IE emulation mode.
// IE JavaScript conditional compilation docs: https://msdn.microsoft.com/library/121hztk3%28v=vs.94%29.aspx
// @cc_on docs: https://msdn.microsoft.com/library/8ka90k2e%28v=vs.94%29.aspx
var jscriptVersion = new Function('/*@cc_on return @_jscript_version; @*/')() // eslint-disable-line no-new-func
if (typeof jscriptVersion === 'undefined') {
return 11 // IE11+ not in emulation mode
}
if (jscriptVersion < 9) {
return 8 // IE8 (or lower; haven't tested on IE<8)
}
return jscriptVersion // IE9 or IE10 in any mode, or IE11 in non-IE11 mode
}
var ua = window.navigator.userAgent
if (ua.indexOf('Opera') > -1 || ua.indexOf('Presto') > -1) {
return // Opera, which might pretend to be IE
}
var emulated = emulatedIEMajorVersion()
if (emulated === null) {
return // Not IE
}
var nonEmulated = actualNonEmulatedIEMajorVersion()
if (emulated !== nonEmulated) {
// eslint-disable-next-line no-alert
window.alert('WARNING: You appear to be using IE' + nonEmulated + ' in IE' + emulated + ' emulation mode.\nIE emulation modes can behave significantly differently from ACTUAL older versions of IE.\nPLEASE DON\'T FILE BOOTSTRAP BUGS based on testing in IE emulation modes!')
}
})()

60
vendor/twbs/bootstrap/site/assets/js/search.js vendored Normal file
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// NOTICE!! DO NOT USE ANY OF THIS JAVASCRIPT
// IT'S ALL JUST JUNK FOR OUR DOCS!
// ++++++++++++++++++++++++++++++++++++++++++
(function () {
'use strict'
var inputElement = document.getElementById('search-input')
if (!window.docsearch || !inputElement) {
return
}
var siteDocsVersion = inputElement.getAttribute('data-docs-version')
function getOrigin() {
var location = window.location
var origin = location.origin
if (!origin) {
var port = location.port ? ':' + location.port : ''
origin = location.protocol + '//' + location.hostname + port
}
return origin
}
window.docsearch({
apiKey: '5990ad008512000bba2cf951ccf0332f',
indexName: 'bootstrap',
inputSelector: '#search-input',
algoliaOptions: {
facetFilters: ['version:' + siteDocsVersion]
},
transformData: function (hits) {
return hits.map(function (hit) {
var currentUrl = getOrigin()
var liveUrl = 'https://getbootstrap.com/'
hit.url = currentUrl.lastIndexOf(liveUrl, 0) === 0 ?
// On production, return the result as is
hit.url :
// On development or Netlify, replace `hit.url` with a trailing slash,
// so that the result link is relative to the server root
hit.url.replace(liveUrl, '/')
// Prevent jumping to first header
if (hit.anchor === 'content') {
hit.url = hit.url.replace(/#content$/, '')
hit.anchor = null
}
return hit
})
},
// Set debug to `true` if you want to inspect the dropdown
debug: false
})
})()

9
vendor/twbs/bootstrap/site/assets/js/vendor/anchor.min.js vendored Normal file
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7
vendor/twbs/bootstrap/site/assets/js/vendor/bs-custom-file-input.min.js vendored Normal file
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/*!
* bsCustomFileInput v1.3.4 (https://github.com/Johann-S/bs-custom-file-input)
* Copyright 2018 - 2020 Johann-S <johann.servoire@gmail.com>
* Licensed under MIT (https://github.com/Johann-S/bs-custom-file-input/blob/master/LICENSE)
*/
!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?module.exports=t():"function"==typeof define&&define.amd?define(t):(e=e||self).bsCustomFileInput=t()}(this,function(){"use strict";var s={CUSTOMFILE:'.custom-file input[type="file"]',CUSTOMFILELABEL:".custom-file-label",FORM:"form",INPUT:"input"},l=function(e){if(0<e.childNodes.length)for(var t=[].slice.call(e.childNodes),n=0;n<t.length;n++){var l=t[n];if(3!==l.nodeType)return l}return e},u=function(e){var t=e.bsCustomFileInput.defaultText,n=e.parentNode.querySelector(s.CUSTOMFILELABEL);n&&(l(n).textContent=t)},n=!!window.File,r=function(e){if(e.hasAttribute("multiple")&&n)return[].slice.call(e.files).map(function(e){return e.name}).join(", ");if(-1===e.value.indexOf("fakepath"))return e.value;var t=e.value.split("\\");return t[t.length-1]};function d(){var e=this.parentNode.querySelector(s.CUSTOMFILELABEL);if(e){var t=l(e),n=r(this);n.length?t.textContent=n:u(this)}}function v(){for(var e=[].slice.call(this.querySelectorAll(s.INPUT)).filter(function(e){return!!e.bsCustomFileInput}),t=0,n=e.length;t<n;t++)u(e[t])}var p="bsCustomFileInput",m="reset",h="change";return{init:function(e,t){void 0===e&&(e=s.CUSTOMFILE),void 0===t&&(t=s.FORM);for(var n,l,r=[].slice.call(document.querySelectorAll(e)),i=[].slice.call(document.querySelectorAll(t)),o=0,u=r.length;o<u;o++){var c=r[o];Object.defineProperty(c,p,{value:{defaultText:(n=void 0,n="",(l=c.parentNode.querySelector(s.CUSTOMFILELABEL))&&(n=l.textContent),n)},writable:!0}),d.call(c),c.addEventListener(h,d)}for(var f=0,a=i.length;f<a;f++)i[f].addEventListener(m,v),Object.defineProperty(i[f],p,{value:!0,writable:!0})},destroy:function(){for(var e=[].slice.call(document.querySelectorAll(s.FORM)).filter(function(e){return!!e.bsCustomFileInput}),t=[].slice.call(document.querySelectorAll(s.INPUT)).filter(function(e){return!!e.bsCustomFileInput}),n=0,l=t.length;n<l;n++){var r=t[n];u(r),r[p]=void 0,r.removeEventListener(h,d)}for(var i=0,o=e.length;i<o;i++)e[i].removeEventListener(m,v),e[i][p]=void 0}}});
//# sourceMappingURL=bs-custom-file-input.min.js.map

7
vendor/twbs/bootstrap/site/assets/js/vendor/clipboard.min.js vendored Normal file
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39
vendor/twbs/bootstrap/site/assets/scss/_ads.scss vendored Normal file
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// stylelint-disable declaration-no-important, selector-max-id
//
// Carbon ads
//
#carbonads {
position: static;
display: block;
max-width: 400px;
padding: 15px 15px 15px 160px;
margin: 2rem 0;
overflow: hidden;
@include font-size(.8125rem);
line-height: 1.4;
text-align: left;
background-color: rgba(0, 0, 0, .05);
a {
color: #333;
text-decoration: none;
}
@include media-breakpoint-up(sm) {
max-width: 330px;
@include border-radius(4px);
}
}
.carbon-img {
float: left;
margin-left: -145px;
}
.carbon-poweredby {
display: block;
margin-top: .75rem;
color: #777 !important;
}

155
vendor/twbs/bootstrap/site/assets/scss/_algolia.scss vendored Normal file
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// stylelint-disable declaration-no-important, selector-class-pattern
// Docsearch overrides
//
// `!important` indicates overridden properties.
.algolia-autocomplete {
display: block !important;
flex: 1;
// Menu container
.ds-dropdown-menu {
width: 100%;
min-width: 0 !important;
max-width: none !important;
padding: .75rem 0 !important;
background-color: $white;
background-clip: padding-box;
border: 1px solid rgba(0, 0, 0, .1);
box-shadow: 0 .5rem 1rem rgba(0, 0, 0, .175);
@include media-breakpoint-up(md) {
width: 175%;
}
// Caret
&::before {
display: none !important;
}
[class^="ds-dataset-"] {
padding: 0 !important;
overflow: visible !important;
background-color: transparent !important;
border: 0 !important;
}
.ds-suggestions {
margin-top: 0 !important;
}
}
.algolia-docsearch-suggestion {
padding: 0 !important;
overflow: visible !important;
}
.algolia-docsearch-suggestion--category-header {
padding: .125rem 1rem !important;
margin-top: 0 !important;
@include font-size(.875rem, true);
font-weight: 600 !important;
color: $bd-purple-bright !important;
border-bottom: 0 !important;
}
.algolia-docsearch-suggestion--wrapper {
float: none !important;
padding-top: 0 !important;
}
// Section header
.algolia-docsearch-suggestion--subcategory-column {
float: none !important;
width: auto !important;
padding: 0 !important;
text-align: left !important;
}
.algolia-docsearch-suggestion--subcategory-inline {
display: block !important;
@include font-size(.875rem);
color: $gray-700;
&::after {
padding: 0 .25rem;
content: "/";
}
}
.algolia-docsearch-suggestion--content {
display: flex;
flex-wrap: wrap;
float: none !important;
width: 100% !important;
padding: .25rem 1rem !important;
// Vertical divider between column header and content
&::before {
display: none !important;
}
}
.ds-suggestion {
&:not(:first-child) {
.algolia-docsearch-suggestion--category-header {
padding-top: .75rem !important;
margin-top: .75rem !important;
border-top: 1px solid rgba(0, 0, 0, .1);
}
}
.algolia-docsearch-suggestion--subcategory-column {
display: none !important;
}
}
.algolia-docsearch-suggestion--title {
display: block;
margin-bottom: 0 !important;
@include font-size(.875rem, true);
font-weight: 400 !important;
}
.algolia-docsearch-suggestion--text {
flex: 0 0 100%;
max-width: 100%;
padding: .2rem 0;
@include font-size(.8125rem, true);
font-weight: 400;
line-height: 1.25 !important;
color: $gray-600;
}
.algolia-docsearch-footer {
float: none !important;
width: auto !important;
height: auto !important;
padding: .75rem 1rem 0;
@include font-size(.75rem, true);
line-height: 1 !important;
color: #767676 !important;
border-top: 1px solid rgba(0, 0, 0, .1);
}
.algolia-docsearch-footer--logo {
display: inline !important;
overflow: visible !important;
color: inherit !important;
text-indent: 0 !important;
background: none !important;
}
.algolia-docsearch-suggestion--highlight {
color: #5f2dab;
background-color: rgba(154, 132, 187, .12);
}
.algolia-docsearch-suggestion--text .algolia-docsearch-suggestion--highlight {
box-shadow: inset 0 -2px 0 0 rgba(95, 45, 171, .5) !important;
}
.ds-suggestion.ds-cursor .algolia-docsearch-suggestion--content {
background-color: rgba(208, 189, 236, .15) !important;
}
}

11
vendor/twbs/bootstrap/site/assets/scss/_anchor.scss vendored Normal file
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.anchorjs-link {
font-weight: 400;
color: rgba($link-color, .5);
@include transition(color .15s ease-in-out, opacity .15s ease-in-out);
&:focus,
&:hover {
color: $link-color;
text-decoration: none;
}
}

88
vendor/twbs/bootstrap/site/assets/scss/_brand.scss vendored Normal file
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//
// Brand guidelines
//
// Logo series wrapper
.bd-brand-logos {
display: table;
width: 100%;
margin-bottom: 1rem;
overflow: hidden;
color: $bd-purple;
background-color: #f9f9f9;
@include border-radius();
.inverse {
color: $white;
background-color: $bd-purple;
}
}
// Individual items
.bd-brand-item {
padding: 4rem 0;
text-align: center;
+ .bd-brand-item {
border-top: 1px solid $white;
}
// Heading content within
h1,
h3 {
margin-top: 0;
margin-bottom: 0;
}
@include media-breakpoint-up(md) {
display: table-cell;
width: 1%;
+ .bd-brand-item {
border-top: 0;
border-left: 1px solid $white;
}
h1 {
@include font-size(4rem);
}
}
}
//
// Color swatches
//
.color-swatches {
margin: 0 -5px;
overflow: hidden; // clearfix
// Docs colors
.bd-purple {
background-color: $bd-purple;
}
.bd-purple-light {
background-color: $bd-purple-light;
}
.bd-purple-lighter {
background-color: #e5e1ea;
}
.bd-gray {
background-color: #f9f9f9;
}
}
.color-swatch {
float: left;
width: 4rem;
height: 4rem;
margin-right: .25rem;
margin-left: .25rem;
@include border-radius();
@include media-breakpoint-up(md) {
width: 6rem;
height: 6rem;
}
}

12
vendor/twbs/bootstrap/site/assets/scss/_browser-bugs.scss vendored Normal file
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// Wall of Browser Bugs
//
// Better display for the responsive table on the Wall of Browser Bugs.
.bd-browser-bugs {
td p {
margin-bottom: 0;
}
th:first-child {
width: 18%;
}
}

55
vendor/twbs/bootstrap/site/assets/scss/_buttons.scss vendored Normal file
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// Buttons
//
// Custom buttons for the docs.
.btn-bd-primary {
font-weight: 600;
color: $white;
background-color: $bd-purple-bright;
border-color: $bd-purple-bright;
&:hover,
&:active {
color: $white;
background-color: darken($bd-purple-bright, 10%);
border-color: darken($bd-purple-bright, 10%);
}
&:focus {
box-shadow: 0 0 0 3px rgba($bd-purple-bright, .25);
}
}
.btn-bd-download {
font-weight: 600;
color: $bd-download;
border-color: $bd-download;
&:hover,
&:active {
color: $bd-dark;
background-color: $bd-download;
border-color: $bd-download;
}
&:focus {
box-shadow: 0 0 0 3px rgba($bd-download, .25);
}
}
.btn-bd-light {
color: $gray-600;
border-color: $gray-300;
.show > &,
&:hover,
&:active {
color: $bd-purple-bright;
background-color: $white;
border-color: $bd-purple-bright;
}
&:focus {
box-shadow: 0 0 0 3px rgba($bd-purple-bright, .25);
}
}

40
vendor/twbs/bootstrap/site/assets/scss/_callouts.scss vendored Normal file
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//
// Callouts
//
.bd-callout {
padding: 1.25rem;
margin-top: 1.25rem;
margin-bottom: 1.25rem;
border: 1px solid #eee;
border-left-width: .25rem;
@include border-radius();
h4 {
margin-top: 0;
margin-bottom: .25rem;
}
p:last-child {
margin-bottom: 0;
}
code {
@include border-radius();
}
+ .bd-callout {
margin-top: -.25rem;
}
}
// Variations
@mixin bs-callout-variant($color) {
border-left-color: $color;
h4 { color: $color; }
}
.bd-callout-info { @include bs-callout-variant($bd-info); }
.bd-callout-warning { @include bs-callout-variant($bd-warning); }
.bd-callout-danger { @include bs-callout-variant($bd-danger); }

37
vendor/twbs/bootstrap/site/assets/scss/_clipboard-js.scss vendored Normal file
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// clipboard.js
//
// JS-based `Copy` buttons for code snippets.
.bd-clipboard {
position: relative;
display: none;
float: right;
+ .highlight {
margin-top: 0;
}
@include media-breakpoint-up(md) {
display: block;
}
}
.btn-clipboard {
position: absolute;
top: .65rem;
right: .65rem;
z-index: 10;
display: block;
padding: .25rem .5rem;
@include font-size(65%);
color: $primary;
background-color: $white;
border: 1px solid;
@include border-radius();
&:hover,
&:focus {
color: $white;
background-color: $primary;
}
}

17
vendor/twbs/bootstrap/site/assets/scss/_colors.scss vendored Normal file
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//
// Docs color palette classes
//
@each $color, $value in $colors {
.swatch-#{$color} {
color: color-yiq($value);
background-color: #{$value};
}
}
@each $color, $value in $grays {
.swatch-#{$color} {
color: color-yiq($value);
background-color: #{$value};
}
}

374
vendor/twbs/bootstrap/site/assets/scss/_component-examples.scss vendored Normal file
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// stylelint-disable no-duplicate-selectors, selector-no-qualifying-type
//
// Grid examples
//
.bd-example-row {
.row {
> .col,
> [class^="col-"] {
padding-top: .75rem;
padding-bottom: .75rem;
background-color: rgba(86, 61, 124, .15);
border: 1px solid rgba(86, 61, 124, .2);
}
}
.row + .row {
margin-top: 1rem;
}
.flex-items-top,
.flex-items-middle,
.flex-items-bottom {
min-height: 6rem;
background-color: rgba(255, 0, 0, .1);
}
}
.bd-example-row-flex-cols .row {
min-height: 10rem;
background-color: rgba(255, 0, 0, .1);
}
.bd-highlight {
background-color: rgba($bd-purple, .15);
border: 1px solid rgba($bd-purple, .15);
}
.bd-example-responsive-containers {
[class^="container"] {
padding-top: .75rem;
padding-bottom: .75rem;
background-color: rgba(86, 61, 124, .15);
border: 1px solid rgba(86, 61, 124, .2);
}
}
// Grid mixins
.example-container {
width: 800px;
@include make-container();
}
.example-row {
@include make-row();
}
.example-content-main {
@include make-col-ready();
@include media-breakpoint-up(sm) {
@include make-col(6);
}
@include media-breakpoint-up(lg) {
@include make-col(8);
}
}
.example-content-secondary {
@include make-col-ready();
@include media-breakpoint-up(sm) {
@include make-col(6);
}
@include media-breakpoint-up(lg) {
@include make-col(4);
}
}
//
// Docs examples
//
.bd-example {
position: relative;
padding: 1rem;
margin: 1rem (-$grid-gutter-width * .5) 0;
border: solid $gray-100;
border-width: .2rem 0 0;
@include clearfix();
@include media-breakpoint-up(sm) {
padding: 1.5rem;
margin-right: 0;
margin-left: 0;
border-width: .2rem;
}
+ .highlight,
+ .clipboard + .highlight {
margin-top: 0;
}
+ p {
margin-top: 2rem;
}
.custom-file-input:lang(es) ~ .custom-file-label::after {
content: "Elegir";
}
> .form-control {
+ .form-control {
margin-top: .5rem;
}
}
> .nav + .nav,
> .alert + .alert,
> .navbar + .navbar,
> .progress + .progress,
> .progress + .btn {
margin-top: 1rem;
}
> .dropdown-menu:first-child {
position: static;
display: block;
}
> .form-group:last-child {
margin-bottom: 0;
}
> .close {
float: none;
}
}
// Typography
.bd-example-type {
.table {
td {
padding: 1rem 0;
border-color: #eee;
}
tr:first-child td {
border-top: 0;
}
}
h1,
h2,
h3,
h4,
h5,
h6 {
margin-top: 0;
margin-bottom: 0;
}
}
// Contextual background colors
.bd-example-bg-classes p {
padding: 1rem;
}
// Images
.bd-example {
> svg + svg,
> img + img {
margin-left: .5rem;
}
}
// Buttons
.bd-example {
> .btn,
> .btn-group {
margin-top: .25rem;
margin-bottom: .25rem;
}
> .btn-toolbar + .btn-toolbar {
margin-top: .5rem;
}
}
// Forms
.bd-example-control-sizing select,
.bd-example-control-sizing input[type="text"] + input[type="text"] {
margin-top: .5rem;
}
.bd-example-form .input-group {
margin-bottom: .5rem;
}
.bd-example > textarea.form-control {
resize: vertical;
}
// List groups
.bd-example > .list-group {
max-width: 400px;
}
.bd-example > [class*="list-group-horizontal"] {
max-width: 100%;
}
// Navbars
.bd-example {
.fixed-top,
.sticky-top {
position: static;
margin: -1rem -1rem 1rem;
}
.fixed-bottom {
position: static;
margin: 1rem -1rem -1rem;
}
@include media-breakpoint-up(sm) {
.fixed-top,
.sticky-top {
margin: -1.5rem -1.5rem 1rem;
}
.fixed-bottom {
margin: 1rem -1.5rem -1.5rem;
}
}
}
// Pagination
.bd-example .pagination {
margin-top: .5rem;
margin-bottom: .5rem;
}
// Example modals
.modal {
z-index: 1072;
.tooltip,
.popover {
z-index: 1073;
}
}
.modal-backdrop {
z-index: 1071;
}
.bd-example-modal {
background-color: #fafafa;
.modal {
position: relative;
top: auto;
right: auto;
bottom: auto;
left: auto;
z-index: 1;
display: block;
}
.modal-dialog {
left: auto;
margin-right: auto;
margin-left: auto;
}
}
// Example tabbable tabs
.bd-example-tabs .nav-tabs {
margin-bottom: 1rem;
}
// Popovers
.bd-example-popover-static {
padding-bottom: 1.5rem;
background-color: #f9f9f9;
.popover {
position: relative;
display: block;
float: left;
width: 260px;
margin: 1.25rem;
}
}
// Tooltips
.tooltip-demo a {
white-space: nowrap;
}
.bd-example-tooltip-static .tooltip {
position: relative;
display: inline-block;
margin: 10px 20px;
opacity: 1;
}
// Scrollspy demo on fixed height div
.scrollspy-example {
position: relative;
height: 200px;
margin-top: .5rem;
overflow: auto;
}
.scrollspy-example-2 {
position: relative;
height: 350px;
overflow: auto;
}
.bd-example-border-utils {
[class^="border"] {
display: inline-block;
width: 5rem;
height: 5rem;
margin: .25rem;
background-color: #f5f5f5;
}
}
.bd-example-border-utils-0 {
[class^="border"] {
border: 1px solid $border-color;
}
}
//
// Code snippets
//
.highlight {
padding: 1rem;
margin-top: 1rem;
margin-bottom: 1rem;
background-color: $gray-100;
-ms-overflow-style: -ms-autohiding-scrollbar;
@include media-breakpoint-up(sm) {
padding: 1.5rem;
}
}
.bd-content .highlight {
margin-right: (-$grid-gutter-width * .5);
margin-left: (-$grid-gutter-width * .5);
@include media-breakpoint-up(sm) {
margin-right: 0;
margin-left: 0;
}
}
.highlight {
pre {
padding: 0;
margin-top: .65rem;
margin-bottom: .65rem;
background-color: transparent;
border: 0;
}
pre code {
@include font-size(inherit);
color: $gray-900; // Effectively the base text color
}
}

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// stylelint-disable no-duplicate-selectors, selector-max-combinators, selector-max-compound-selectors, selector-max-type, selector-no-qualifying-type
//
// Automatically style Markdown-based tables like a Bootstrap `.table`.
//
.bd-content {
order: 1;
// Hack the sticky header
> h2[id],
> h3[id],
> h4[id] {
pointer-events: none;
&::before {
display: block;
height: 6rem;
margin-top: -6rem;
content: "";
}
}
> table {
width: 100%;
max-width: 100%;
margin-bottom: 1rem;
@include media-breakpoint-down(md) {
display: block;
overflow-x: auto;
&.table-bordered {
border: 0;
}
}
// Cells
> thead,
> tbody,
> tfoot {
> tr {
> th,
> td {
padding: $table-cell-padding;
vertical-align: top;
border: 1px solid $table-border-color;
> p:last-child {
margin-bottom: 0;
}
}
}
}
// Prevent breaking of code (e.g., Grunt tasks list)
td:first-child > code {
white-space: nowrap;
}
}
}
.bd-content-title {
display: block;
pointer-events: auto;
}
//
// Docs sections
//
.bd-content {
> h2 {
@include font-size($h2-font-size);
}
> h3 {
@include font-size($h3-font-size);
}
> h4 {
@include font-size($h4-font-size);
}
> h2:not(:first-child) {
margin-top: 3rem;
}
> h3 {
margin-top: 1.5rem;
}
> ul li,
> ol li {
margin-bottom: .25rem;
}
@include media-breakpoint-up(lg) {
> ul,
> ol,
> p {
max-width: 80%;
}
}
}
.bd-title {
margin-top: 1rem;
margin-bottom: .5rem;
@include font-size(3rem);
}
.bd-lead {
@include font-size(1.5rem);
font-weight: 300;
@include media-breakpoint-up(lg) {
max-width: 80%;
}
}
.bd-text-purple { color: $bd-purple; }
.bd-text-purple-bright { color: $bd-purple-bright; }
.bd-bg-purple-bright {
background-color: $bd-purple-bright;
}

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//
// Footer
//
.bd-footer {
@include font-size(.875rem);
text-align: center;
background-color: #f7f7f7;
a {
font-weight: 600;
color: $gray-700;
&:hover,
&:focus {
color: $link-color;
}
}
p {
margin-bottom: 0;
}
@include media-breakpoint-up(sm) {
text-align: left;
}
}
.bd-footer-links {
padding-left: 0;
margin-bottom: 1rem;
li {
display: inline-block;
+ li {
margin-left: 1rem;
}
}
}

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// stylelint-disable declaration-no-important
.bd-masthead {
position: relative;
padding: 3rem ($grid-gutter-width * .5);
background: linear-gradient(to right bottom, lighten($bd-purple-light, 16%) 50%, #fff 50%);
h1 {
@include font-size(4rem);
line-height: 1;
}
.lead {
@include font-size(1.5rem);
font-weight: 400;
color: $gray-700;
}
.btn {
padding: .8rem 2rem;
font-weight: 600;
@include font-size(1.25rem);
}
.carbonad {
margin-top: 0 !important;
margin-bottom: -3rem !important;
}
@include media-breakpoint-up(sm) {
padding-top: 5rem;
padding-bottom: 5rem;
.carbonad {
margin-bottom: 0 !important;
}
}
@include media-breakpoint-up(md) {
.carbonad {
margin-top: 3rem !important;
}
}
}
.masthead-followup {
h2 {
@include font-size(2.5rem);
}
.highlight {
@include border-radius(.5rem);
pre::-webkit-scrollbar {
display: none;
}
pre code {
display: inline-block;
white-space: pre;
}
}
}
.masthead-followup-icon {
padding: .75rem;
background-image: linear-gradient(to bottom right, rgba(255, 255, 255, .2), rgba(255, 255, 255, .01));
@include border-radius(.75rem);
box-shadow: 0 .125rem .25rem rgba(0, 0, 0, .1);
}
.masthead-followup-svg {
filter: drop-shadow(0 1px 0 rgba(0, 0, 0, .125));
}

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//
// Main navbar
//
.bd-navbar {
min-height: 4rem;
background-color: $bd-purple-bright;
box-shadow: 0 .5rem 1rem rgba(0, 0, 0, .05), inset 0 -1px 0 rgba(0, 0, 0, .1);
@include media-breakpoint-down(md) {
padding-right: .5rem;
padding-left: .5rem;
.navbar-nav-scroll {
max-width: 100%;
height: 2.5rem;
margin-top: .25rem;
overflow: hidden;
.navbar-nav {
padding-bottom: 2rem;
overflow-x: auto;
white-space: nowrap;
-webkit-overflow-scrolling: touch;
}
}
}
@include media-breakpoint-up(md) {
@supports (position: sticky) {
position: sticky;
top: 0;
z-index: 1071; // over everything in bootstrap
}
}
.navbar-nav {
.nav-link {
padding-right: .5rem;
padding-left: .5rem;
color: rgba($white, .85);
&.active,
&:hover {
color: $white;
background-color: transparent;
}
&.active {
font-weight: 600;
}
}
}
.navbar-nav-svg {
display: inline-block;
width: 1rem;
height: 1rem;
vertical-align: text-top;
}
.dropdown-menu {
@include font-size(.875rem);
}
.dropdown-item.active {
font-weight: 600;
color: $gray-900;
background: escape-svg($dropdown-active-icon) no-repeat .4rem .6rem/.75rem .75rem;
}
}

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//
// Placeholder svg used in the docs.
//
// Remember to update `site/_layouts/examples.html` too if this changes!
.bd-placeholder-img {
@include font-size(1.125rem);
user-select: none;
text-anchor: middle;
}
.bd-placeholder-img-lg {
@include font-size(3.5rem);
}

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//
// Left side navigation
//
.bd-sidebar {
order: 0;
// background-color: #f5f2f9;
border-bottom: 1px solid rgba(0, 0, 0, .1);
@include media-breakpoint-up(md) {
@supports (position: sticky) {
position: sticky;
top: 4rem;
z-index: 1000;
height: subtract(100vh, 4rem);
}
border-right: 1px solid rgba(0, 0, 0, .1);
}
@include media-breakpoint-up(xl) {
flex: 0 1 320px;
}
}
.bd-links {
width: 100%;
padding-top: 1rem;
padding-bottom: 1rem;
border-top: 1px solid rgba(0, 0, 0, .05);
@include media-breakpoint-up(md) {
@supports (position: sticky) {
max-height: subtract(100vh, 9rem);
overflow-y: auto;
}
}
}
.bd-search {
position: relative; // To contain the Algolia search
padding: 1rem 15px;
margin-right: -15px;
margin-left: -15px;
.form-control:focus {
border-color: $bd-purple-bright;
box-shadow: 0 0 0 3px rgba($bd-purple-bright, .25);
}
}
.bd-search-docs-toggle {
color: $gray-900;
}
.bd-sidenav {
display: none;
}
.bd-toc-link {
display: block;
padding: .25rem 1.5rem;
font-weight: 600;
color: rgba(0, 0, 0, .65);
&:hover {
color: rgba(0, 0, 0, .85);
text-decoration: none;
}
}
.bd-toc-item {
&.active {
margin-bottom: 1rem;
&:not(:first-child) {
margin-top: 1rem;
}
> .bd-toc-link {
color: rgba(0, 0, 0, .85);
&:hover {
background-color: transparent;
}
}
> .bd-sidenav {
display: block;
}
}
}
// All levels of nav
.bd-sidebar .nav > li > a {
display: block;
padding: .25rem 1.5rem;
@include font-size(90%);
color: rgba(0, 0, 0, .65);
}
.bd-sidebar .nav > li > a:hover {
color: rgba(0, 0, 0, .85);
text-decoration: none;
background-color: transparent;
}
.bd-sidebar .nav > .active > a,
.bd-sidebar .nav > .active:hover > a {
font-weight: 600;
color: rgba(0, 0, 0, .85);
background-color: transparent;
}

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vendor/twbs/bootstrap/site/assets/scss/_skippy.scss vendored Normal file
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// stylelint-disable declaration-no-important
.skippy {
background-color: $bd-purple;
a {
color: $white;
}
&:focus-within a {
position: static !important;
width: auto !important;
height: auto !important;
padding: $spacer * .5 !important;
margin: $spacer * .25 !important;
overflow: visible !important;
clip: auto !important;
white-space: normal !important;
}
}

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// stylelint-disable comment-empty-line-before, declaration-block-single-line-max-declarations
/* Background .chroma { background-color: #f0f0f0; } */
/* Other .chroma .x { } */
/* Error .chroma .err { } */
/* LineTableTD .chroma .lntd { vertical-align: top; padding: 0; margin: 0; border: 0; } */
/* LineTable .chroma .lntable { border-spacing: 0; padding: 0; margin: 0; border: 0; width: auto; overflow: auto; display: block; } */
/* LineHighlight .chroma .hl { display: block; width: 100%; background-color: #ffffcc; } */
/* LineNumbersTable .chroma .lnt { margin-right: .4em; padding: 0 .4em; } */
/* LineNumbers .chroma .ln { margin-right: .4em; padding: 0 .4em; } */
/* Comment */ .chroma .c { color: #727272; }
/* CommentHashbang */ .chroma .ch { font-style: italic; color: #60a0b0; }
/* CommentMultiline */ .chroma .cm { color: #727272; }
/* CommentPreproc */ .chroma .cp { color: #008085; }
/* CommentPreprocFile */ .chroma .cpf { color: #007020; }
/* CommentSingle */ .chroma .c1 { color: #727272; }
/* CommentSpecial */ .chroma .cs { color: #727272; }
/* Generic .chroma .g { } */
/* GenericDeleted */ .chroma .gd { background-color: #fcc; border: 1px solid #c00; }
/* GenericEmph */ .chroma .ge { font-style: italic; }
/* GenericError */ .chroma .gr { color: #f00; }
/* GenericHeading */ .chroma .gh { color: #030; }
/* GenericInserted */ .chroma .gi { background-color: #cfc; border: 1px solid #0c0; }
/* GenericOutput */ .chroma .go { color: #aaa; }
/* GenericPrompt */ .chroma .gp { color: #009; }
/* GenericStrong */ .chroma .gs { font-weight: 700; }
/* GenericSubheading */ .chroma .gu { color: #030; }
/* GenericTraceback */ .chroma .gt { color: #9c6; }
/* GenericUnderline */ .chroma .gl { text-decoration: underline; }
/* Keyword */ .chroma .k { color: #069; }
/* KeywordConstant */ .chroma .kc { color: #069; }
/* KeywordDeclaration */ .chroma .kd { color: #069; }
/* KeywordNamespace */ .chroma .kn { color: #069; }
/* KeywordPseudo */ .chroma .kp { color: #069; }
/* KeywordReserved */ .chroma .kr { color: #069; }
/* KeywordType */ .chroma .kt { color: #078; }
/* Literal .chroma .l { } */
/* LiteralDate .chroma .ld { color: #c24f19 } */
/* LiteralNumber */ .chroma .m { color: #c24f19; }
/* LiteralNumberBin */ .chroma .mb { color: #40a070; }
/* LiteralNumberFloat */ .chroma .mf { color: #c24f19; }
/* LiteralNumberHex */ .chroma .mh { color: #c24f19; }
/* LiteralNumberInteger */ .chroma .mi { color: #c24f19; }
/* LiteralNumberIntegerLong */ .chroma .il { color: #c24f19; }
/* LiteralNumberOct */ .chroma .mo { color: #c24f19; }
/* LiteralString */ .chroma .s { color: #d73038; }
/* LiteralStringAffix */ .chroma .sa { color: #4070a0; }
/* LiteralStringBacktick */ .chroma .sb { color: #c30; }
/* LiteralStringChar */ .chroma .sc { color: #c30; }
/* LiteralStringDelimiter */ .chroma .dl { color: #4070a0; }
/* LiteralStringDoc */ .chroma .sd { font-style: italic; color: #c30; }
/* LiteralStringDouble */ .chroma .s2 { color: #c30; }
/* LiteralStringEscape */ .chroma .se { color: #c30; }
/* LiteralStringHeredoc */ .chroma .sh { color: #c30; }
/* LiteralStringInterpol */ .chroma .si { color: #a00; }
/* LiteralStringOther */ .chroma .sx { color: #c30; }
/* LiteralStringRegex */ .chroma .sr { color: #337e7e; }
/* LiteralStringSingle */ .chroma .s1 { color: #c30; }
/* LiteralStringSymbol */ .chroma .ss { color: #fc3; }
/* Name .chroma .n { } */
/* NameAttribute */ .chroma .na { color: #006ee0; }
/* NameBuiltin */ .chroma .nb { color: #366; }
/* NameBuiltinPseudo .chroma .bp { } */
/* NameClass */ .chroma .nc { color: #168174; }
/* NameConstant */ .chroma .no { color: #360; }
/* NameDecorator */ .chroma .nd { color: #6b62de; }
/* NameEntity */ .chroma .ni { color: #727272; }
/* NameException */ .chroma .ne { color: #c00; }
/* NameFunction */ .chroma .nf { color: #b715f4; }
/* NameFunctionMagic .chroma .fm { } */
/* NameLabel */ .chroma .nl { color: #6b62de; }
/* NameNamespace */ .chroma .nn { color: #007ca5; }
/* NameOther .chroma .nx { } */
/* NameProperty .chroma .py { } */
/* NameTag */ .chroma .nt { color: #2f6f9f; }
/* NameVariable */ .chroma .nv { color: #033; }
/* NameVariableClass .chroma .vc { } */
/* NameVariableGlobal .chroma .vg { } */
/* NameVariableInstance .chroma .vi { } */
/* NameVariableMagic .chroma .vm { } */
/* Operator */ .chroma .o { color: #555; }
/* OperatorWord */ .chroma .ow { color: #000; }
/* Punctuation .chroma .p { } */
/* TextWhitespace */ .chroma .w { color: #bbb; }
.chroma {
.language-bash,
.language-sh {
&::before {
color: #009;
content: "$ ";
user-select: none;
}
}
.language-powershell::before {
color: #009;
content: "PM> ";
user-select: none;
}
}

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// stylelint-disable selector-max-combinators, selector-max-type, selector-max-compound-selectors
//
// Right side table of contents
//
.bd-toc {
@supports (position: sticky) {
position: sticky;
top: 4rem;
height: subtract(100vh, 4rem);
overflow-y: auto;
}
order: 2;
padding-top: 1.5rem;
padding-bottom: 1.5rem;
@include font-size(.875rem);
nav {
padding-left: 0;
border-left: 1px solid #eee;
ul {
padding-left: 0;
ul {
padding-left: 1rem;
}
}
a code {
font: inherit;
}
li {
display: block;
ul li ul {
padding-left: 1rem;
}
a {
display: block;
padding: .125rem 1.5rem;
color: #77757a;
&:hover {
color: $blue;
text-decoration: none;
}
}
}
}
}

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vendor/twbs/bootstrap/site/assets/scss/_variables.scss vendored Normal file
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// Local docs variables
$bd-purple: #563d7c;
$bd-purple-bright: lighten(saturate($bd-purple, 5%), 15%);
$bd-purple-light: lighten(saturate($bd-purple, 5%), 45%);
$bd-dark: #2a2730;
$bd-download: #ffe484;
$bd-info: #5bc0de;
$bd-warning: #f0ad4e;
$bd-danger: #d9534f;
$dropdown-active-icon: url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 8'><path fill='#292b2c' d='M2.3 6.73L.6 4.53c-.4-1.04.46-1.4 1.1-.8l1.1 1.4 3.4-3.8c.6-.63 1.6-.27 1.2.7l-4 4.6c-.43.5-.8.4-1.1.1z'/></svg>");
// Enable responsive font sizes for font sizes defined in the docs
// The weird if test is made as a workaround to prevent a false fusv error.
//
$enable-responsive-font-sizes: if($enable-responsive-font-sizes, true, true);

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/*!
* Bootstrap Docs (https://getbootstrap.com/)
* Copyright 2011-2022 The Bootstrap Authors
* Copyright 2011-2022 Twitter, Inc.
* Licensed under the Creative Commons Attribution 3.0 Unported License.
* For details, see https://creativecommons.org/licenses/by/3.0/.
*/
// Dev notes
//
// Background information on nomenclature and architecture decisions here.
//
// - Bootstrap functions, variables, and mixins are included for easy reuse.
// Doing so gives us access to the same core utilities provided by Bootstrap.
// For example, consistent media queries through those mixins.
//
// - Bootstrap's **docs variables** are prefixed with `$bd-`.
// These custom colors avoid collision with the components Bootstrap provides.
//
// - Classes are prefixed with `.bd-`.
// These classes indicate custom-built or modified components for the design
// and layout of the Bootstrap docs. They are not included in our builds.
//
// Happy Bootstrapping!
// Load Bootstrap variables and mixins
@import "../../../scss/functions";
@import "../../../scss/variables";
@import "../../../scss/mixins";
// Load docs components
@import "variables";
@import "nav";
@import "masthead";
@import "ads";
@import "content";
@import "skippy";
@import "sidebar";
@import "toc";
@import "footer";
@import "component-examples";
@import "buttons";
@import "callouts";
@import "browser-bugs";
@import "brand";
@import "colors";
@import "clipboard-js";
@import "placeholder-img";
// Load docs dependencies
@import "syntax";
@import "anchor";
@import "algolia";

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---
layout: redirect
sitemap_exclude: true
redirect: "/docs/4.6/getting-started/introduction/"
---

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---
layout: docs
title: Brand guidelines
description: Documentation and examples for Bootstrap's logo and brand usage guidelines.
group: about
toc: true
---
Have a need for Bootstrap's brand resources? Great! We have only a few guidelines we follow, and in turn ask you to follow as well. These guidelines were inspired by MailChimp's [Brand Assets](https://mailchimp.com/about/brand-assets/).
## Mark and logo
Use either the Bootstrap mark (a capital **B**) or the standard logo (just **Bootstrap**). It should always appear in San Francisco Display Semibold. **Do not use the Twitter bird** in association with Bootstrap.
<div class="bd-brand-logos">
<div class="bd-brand-item">
<img class="svg" src="/docs/{{< param docs_version >}}/assets/brand/bootstrap-solid.svg" alt="Bootstrap" width="144" height="144" loading="lazy">
</div>
<div class="bd-brand-item inverse">
<img class="svg" src="/docs/{{< param docs_version >}}/assets/brand/bootstrap-outline.svg" alt="Bootstrap" width="144" height="144" loading="lazy">
</div>
</div>
<div class="bd-brand-logos">
<div class="bd-brand-item">
<span class="h1">Bootstrap</span>
</div>
<div class="bd-brand-item inverse">
<span class="h1">Bootstrap</span>
</div>
</div>
## Download mark
Download the Bootstrap mark in one of three styles, each available as an SVG file. Right click, Save as.
<div class="bd-brand-logos">
<div class="bd-brand-item">
<img class="svg" src="/docs/{{< param docs_version >}}/assets/brand/bootstrap-solid.svg" alt="Bootstrap" width="144" height="144" loading="lazy">
</div>
<div class="bd-brand-item inverse">
<img class="svg" src="/docs/{{< param docs_version >}}/assets/brand/bootstrap-outline.svg" alt="Bootstrap" width="144" height="144" loading="lazy">
</div>
<div class="bd-brand-item inverse">
<img class="svg" src="/docs/{{< param docs_version >}}/assets/brand/bootstrap-punchout.svg" alt="Bootstrap" width="144" height="144" loading="lazy">
</div>
</div>
## Name
The project and framework should always be referred to as **Bootstrap**. No Twitter before it, no capital _s_, and no abbreviations except for one, a capital **B**.
<div class="bd-brand-logos">
<div class="bd-brand-item">
<span class="h3">Bootstrap</span>
<strong class="text-success">Right</strong>
</div>
<div class="bd-brand-item">
<span class="h3 text-muted">BootStrap</span>
<strong class="text-warning">Wrong</strong>
</div>
<div class="bd-brand-item">
<span class="h3 text-muted">Twitter Bootstrap</span>
<strong class="text-warning">Wrong</strong>
</div>
</div>
## Colors
Our docs and branding use a handful of primary colors to differentiate what *is* Bootstrap from what *is in* Bootstrap. In other words, if it's purple, it's representative of Bootstrap.
<div class="bd-brand">
<div class="color-swatches">
<div class="color-swatch bd-purple"></div>
<div class="color-swatch bd-purple-light"></div>
<div class="color-swatch bd-purple-lighter"></div>
<div class="color-swatch bd-gray"></div>
</div>
</div>

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---
layout: docs
title: License FAQs
description: Commonly asked questions about Bootstrap's open source license.
group: about
---
Bootstrap is released under the MIT license and is copyright {{< year >}} Twitter. Boiled down to smaller chunks, it can be described with the following conditions.
#### It requires you to:
* Keep the license and copyright notice included in Bootstrap's CSS and JavaScript files when you use them in your works
#### It permits you to:
- Freely download and use Bootstrap, in whole or in part, for personal, private, company internal, or commercial purposes
- Use Bootstrap in packages or distributions that you create
- Modify the source code
- Grant a sublicense to modify and distribute Bootstrap to third parties not included in the license
#### It forbids you to:
- Hold the authors and license owners liable for damages as Bootstrap is provided without warranty
- Hold the creators or copyright holders of Bootstrap liable
- Redistribute any piece of Bootstrap without proper attribution
- Use any marks owned by Twitter in any way that might state or imply that Twitter endorses your distribution
- Use any marks owned by Twitter in any way that might state or imply that you created the Twitter software in question
#### It does not require you to:
- Include the source of Bootstrap itself, or of any modifications you may have made to it, in any redistribution you may assemble that includes it
- Submit changes that you make to Bootstrap back to the Bootstrap project (though such feedback is encouraged)
The full Bootstrap license is located [in the project repository]({{< param repo >}}/blob/v{{< param current_version >}}/LICENSE) for more information.

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---
layout: docs
title: About
description: Learn more about the team maintaining Bootstrap, how and why the project started, and how to get involved.
group: about
aliases:
- "/about/"
- "/docs/4.6/about/"
---
## Team
Bootstrap is maintained by a [small team of developers](https://github.com/orgs/twbs/people) on GitHub. We're actively looking to grow this team and would love to hear from you if you're excited about CSS at scale, writing and maintaining vanilla JavaScript plugins, and improving build tooling processes for frontend code.
## History
Originally created by a designer and a developer at Twitter, Bootstrap has become one of the most popular front-end frameworks and open source projects in the world.
Bootstrap was created at Twitter in mid-2010 by [@mdo](https://twitter.com/mdo) and [@fat](https://twitter.com/fat). Prior to being an open-sourced framework, Bootstrap was known as _Twitter Blueprint_. A few months into development, Twitter held its [first Hack Week](https://blog.twitter.com/engineering/en_us/a/2010/hack-week.html) and the project exploded as developers of all skill levels jumped in without any external guidance. It served as the style guide for internal tools development at the company for over a year before its public release, and continues to do so today.
Originally [released](https://blog.twitter.com/developer/en_us/a/2011/bootstrap-twitter.html) on <time datetime="2011-08-19 11:25">Friday, August 19, 2011</time>, we've since had over [twenty releases]({{< param repo >}}/releases), including two major rewrites with v2 and v3. With Bootstrap 2, we added responsive functionality to the entire framework as an optional stylesheet. Building on that with Bootstrap 3, we rewrote the library once more to make it responsive by default with a mobile first approach.
With Bootstrap 4, we once again rewrote the project to account for two key architectural changes: a migration to Sass and the move to CSS's flexbox. Our intention is to help in a small way to move the web development community forward by pushing for newer CSS properties, fewer dependencies, and new technologies across more modern browsers.
## Get involved
Get involved with Bootstrap development by [opening an issue]({{< param repo >}}/issues/new) or submitting a pull request. Read our [contributing guidelines]({{< param repo >}}/blob/v{{< param current_version >}}/.github/CONTRIBUTING.md) for information on how we develop.

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---
layout: docs
title: Team
description: An overview of the founding team and core contributors to Bootstrap.
group: about
---
Bootstrap is maintained by the founding team and a small group of invaluable core contributors, with the massive support and involvement of our community.
{{< team.inline >}}
<div class="list-group mb-3">
{{- range (index $.Site.Data "core-team") }}
<a class="list-group-item list-group-item-action d-flex align-items-center" href="https://github.com/{{ .user }}">
<img src="https://github.com/{{ .user }}.png" alt="@{{ .user }}" width="32" height="32" class="rounded mr-2" loading="lazy">
<span>
<strong>{{ .name }}</strong> @{{ .user }}
</span>
</a>
{{ end -}}
</div>
{{< /team.inline >}}
Get involved with Bootstrap development by [opening an issue]({{< param repo >}}/issues/new) or submitting a pull request. Read our [contributing guidelines]({{< param repo >}}/blob/v{{< param current_version >}}/.github/CONTRIBUTING.md) for information on how we develop.

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---
layout: docs
title: Translations
description: Links to community-translated Bootstrap documentation sites.
group: about
---
Community members have translated Bootstrap's documentation into various languages. None are officially supported and they may not always be up to date.
{{< translations.inline >}}
<ul>
{{ range .Site.Data.translations -}}
<li><a href="{{ .url }}" hreflang="{{ .code }}">{{ .description }} ({{ .name }})</a></li>
{{ end -}}
</ul>
{{< /translations.inline >}}
**We don't help organize or host translations, we just link to them.**
Finished a new or better translation? Open a pull request to add it to our list.

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---
layout: docs
title: Wall of browser bugs
group: browser-bugs
aliases: "/browser-bugs/"
---
{{< callout danger >}}
##### Outdated content
This page is outdated and is no longer applicable to the latest versions of Bootstrap. It's here purely for historical purposes now and will be removed in our next major release.
{{< /callout >}}
Bootstrap currently works around several outstanding browser bugs in major browsers to deliver the best cross-browser experience possible. Some bugs, like those listed below, cannot be solved by us.
We publicly list browser bugs that are impacting us here, in the hopes of expediting the process of fixing them. For information on Bootstrap's browser compatibility, [see our browser compatibility docs]({{< docsref "/getting-started/browsers-devices#supported-browsers" >}}).
See also:
* [Chromium issue 536263: [meta] Issues affecting Bootstrap](https://bugs.chromium.org/p/chromium/issues/detail?id=536263)
* [Mozilla bug 1230801: Fix the issues that affect Bootstrap](https://bugzilla.mozilla.org/show_bug.cgi?id=1230801)
* [WebKit bug 159753: [meta] Issues affecting Bootstrap](https://bugs.webkit.org/show_bug.cgi?id=159753)
* [jQuery's browser bug workarounds](https://docs.google.com/document/d/1LPaPA30bLUB_publLIMF0RlhdnPx_ePXm7oW02iiT6o)
{{< bug.inline >}}
{{- $type := .Get "type" | default "bug" -}}
{{- $data := .Get "data" | default "browser-bugs" -}}
<table class="bd-browser-bugs table table-bordered table-hover">
<thead>
<tr>
<th>Browser(s)</th>
<th>Summary of {{ $type }}</th>
<th>Upstream issue(s)</th>
<th>Bootstrap issue(s)</th>
</tr>
</thead>
<tbody>
{{- range (index $.Site.Data $data) }}
<tr>
<td>{{ .browser | chomp }}</td>
<td>{{ .summary | markdownify }}</td>
<td>{{ partial "bugify" .upstream_bug }}</td>
<td>{{ partial "bugify" .origin }}</td>
</tr>
{{- end }}
</tbody>
</table>
{{< /bug.inline >}}
# Most wanted features
There are several features specified in Web standards which would allow us to make Bootstrap more robust, elegant, or performant, but aren't yet implemented in certain browsers, thus preventing us from taking advantage of them.
We publicly list these "most wanted" feature requests here, in the hopes of expediting the process of getting them implemented.
{{< bug.inline data="browser-features" type="feature" />}}

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---
layout: docs
title: Alerts
description: Provide contextual feedback messages for typical user actions with the handful of available and flexible alert messages.
group: components
aliases:
- "/components/"
- "/docs/4.6/components/"
toc: true
---
## Examples
Alerts are available for any length of text, as well as an optional dismiss button. For proper styling, use one of the eight **required** contextual classes (e.g., `.alert-success`). For inline dismissal, use the [alerts jQuery plugin](#dismissing).
{{< example >}}
{{< alerts.inline >}}
{{- range (index $.Site.Data "theme-colors") }}
<div class="alert alert-{{ .name }}" role="alert">
A simple {{ .name }} alert—check it out!
</div>{{- end -}}
{{< /alerts.inline >}}
{{< /example >}}
{{< callout warning >}}
{{< partial "callout-warning-color-assistive-technologies.md" >}}
{{< /callout >}}
### Link color
Use the `.alert-link` utility class to quickly provide matching colored links within any alert.
{{< example >}}
{{< alerts.inline >}}
{{- range (index $.Site.Data "theme-colors") }}
<div class="alert alert-{{ .name }}" role="alert">
A simple {{ .name }} alert with <a href="#" class="alert-link">an example link</a>. Give it a click if you like.
</div>{{ end -}}
{{< /alerts.inline >}}
{{< /example >}}
### Additional content
Alerts can also contain additional HTML elements like headings, paragraphs and dividers.
{{< example >}}
<div class="alert alert-success" role="alert">
<h4 class="alert-heading">Well done!</h4>
<p>Aww yeah, you successfully read this important alert message. This example text is going to run a bit longer so that you can see how spacing within an alert works with this kind of content.</p>
<hr>
<p class="mb-0">Whenever you need to, be sure to use margin utilities to keep things nice and tidy.</p>
</div>
{{< /example >}}
### Dismissing
Using the alert JavaScript plugin, it's possible to dismiss any alert inline. Here's how:
- Be sure you've loaded the alert plugin, or the compiled Bootstrap JavaScript.
- If you're building our JavaScript from source, it [requires `util.js`]({{< docsref "/getting-started/javascript#util" >}}). The compiled version includes this.
- Add a dismiss button and the `.alert-dismissible` class, which adds extra padding to the right of the alert and positions the `.close` button.
- On the dismiss button, add the `data-dismiss="alert"` attribute, which triggers the JavaScript functionality. Be sure to use the `<button>` element with it for proper behavior across all devices.
- To animate alerts when dismissing them, be sure to add the `.fade` and `.show` classes.
You can see this in action with a live demo:
{{< example >}}
<div class="alert alert-warning alert-dismissible fade show" role="alert">
<strong>Holy guacamole!</strong> You should check in on some of those fields below.
<button type="button" class="close" data-dismiss="alert" aria-label="Close">
<span aria-hidden="true">&times;</span>
</button>
</div>
{{< /example >}}
## JavaScript behavior
### Triggers
Enable dismissal of an alert via JavaScript:
```js
$('.alert').alert()
```
Or with `data` attributes on a button **within the alert**, as demonstrated above:
```html
<button type="button" class="close" data-dismiss="alert" aria-label="Close">
<span aria-hidden="true">&times;</span>
</button>
```
Note that closing an alert will remove it from the DOM.
### Methods
| Method | Description |
| --- | --- |
| `$().alert()` | Makes an alert listen for click events on descendant elements which have the `data-dismiss="alert"` attribute. (Not necessary when using the data-api's auto-initialization.) |
| `$().alert('close')` | Closes an alert by removing it from the DOM. If the `.fade` and `.show` classes are present on the element, the alert will fade out before it is removed. |
| `$().alert('dispose')` | Destroys an element's alert. |
```js
$('.alert').alert('close')
```
### Events
Bootstrap's alert plugin exposes a few events for hooking into alert functionality.
| Event | Description |
| --- | --- |
| `close.bs.alert` | This event fires immediately when the `close` instance method is called. |
| `closed.bs.alert` | This event is fired when the alert has been closed (will wait for CSS transitions to complete). |
```js
$('#myAlert').on('closed.bs.alert', function () {
// do something...
})
```

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---
layout: docs
title: Badges
description: Documentation and examples for badges, our small count and labeling component.
group: components
toc: true
---
## Example
Badges scale to match the size of the immediate parent element by using relative font sizing and `em` units.
{{< example >}}
<h1>Example heading <span class="badge badge-secondary">New</span></h1>
<h2>Example heading <span class="badge badge-secondary">New</span></h2>
<h3>Example heading <span class="badge badge-secondary">New</span></h3>
<h4>Example heading <span class="badge badge-secondary">New</span></h4>
<h5>Example heading <span class="badge badge-secondary">New</span></h5>
<h6>Example heading <span class="badge badge-secondary">New</span></h6>
{{< /example >}}
Badges can be used as part of links or buttons to provide a counter.
{{< example >}}
<button type="button" class="btn btn-primary">
Notifications <span class="badge badge-light">4</span>
</button>
{{< /example >}}
Note that depending on how they are used, badges may be confusing for users of screen readers and similar assistive technologies. While the styling of badges provides a visual cue as to their purpose, these users will simply be presented with the content of the badge. Depending on the specific situation, these badges may seem like random additional words or numbers at the end of a sentence, link, or button.
Unless the context is clear (as with the "Notifications" example, where it is understood that the "4" is the number of notifications), consider including additional context with a visually hidden piece of additional text.
{{< example >}}
<button type="button" class="btn btn-primary">
Profile <span class="badge badge-light">9</span>
<span class="sr-only">unread messages</span>
</button>
{{< /example >}}
## Contextual variations
Add any of the below mentioned modifier classes to change the appearance of a badge.
{{< example >}}
{{< badge.inline >}}
{{- range (index $.Site.Data "theme-colors") }}
<span class="badge badge-{{ .name }}">{{ .name | title }}</span>{{- end -}}
{{< /badge.inline >}}
{{< /example >}}
{{< callout warning >}}
{{< partial "callout-warning-color-assistive-technologies.md" >}}
{{< /callout >}}
## Pill badges
Use the `.badge-pill` modifier class to make badges more rounded (with a larger `border-radius` and additional horizontal `padding`). Useful if you miss the badges from v3.
{{< example >}}
{{< badge.inline >}}
{{- range (index $.Site.Data "theme-colors") }}
<span class="badge badge-pill badge-{{ .name }}">{{ .name | title }}</span>{{- end -}}
{{< /badge.inline >}}
{{< /example >}}
## Links
Using the contextual `.badge-*` classes on an `<a>` element quickly provide _actionable_ badges with hover and focus states.
{{< example >}}
{{< badge.inline >}}
{{- range (index $.Site.Data "theme-colors") }}
<a href="#" class="badge badge-{{ .name }}">{{ .name | title }}</a>{{- end -}}
{{< /badge.inline >}}
{{< /example >}}

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---
layout: docs
title: Breadcrumb
description: Indicate the current page's location within a navigational hierarchy that automatically adds separators via CSS.
group: components
---
## Example
{{< example >}}
<nav aria-label="breadcrumb">
<ol class="breadcrumb">
<li class="breadcrumb-item active" aria-current="page">Home</li>
</ol>
</nav>
<nav aria-label="breadcrumb">
<ol class="breadcrumb">
<li class="breadcrumb-item"><a href="#">Home</a></li>
<li class="breadcrumb-item active" aria-current="page">Library</li>
</ol>
</nav>
<nav aria-label="breadcrumb">
<ol class="breadcrumb">
<li class="breadcrumb-item"><a href="#">Home</a></li>
<li class="breadcrumb-item"><a href="#">Library</a></li>
<li class="breadcrumb-item active" aria-current="page">Data</li>
</ol>
</nav>
{{< /example >}}
## Changing the separator
Separators are automatically added in CSS through [`::before`](https://developer.mozilla.org/en-US/docs/Web/CSS/::before) and [`content`](https://developer.mozilla.org/en-US/docs/Web/CSS/content). They can be changed by changing `$breadcrumb-divider`. The [quote](https://sass-lang.com/documentation/modules/string#quote) function is needed to generate the quotes around a string, so if you want `>` as separator, you can use this:
```scss
$breadcrumb-divider: quote(">");
```
It's also possible to use a **base64 embedded SVG icon**:
```scss
$breadcrumb-divider: url(data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSI4IiBoZWlnaHQ9IjgiPjxwYXRoIGQ9Ik0yLjUgMEwxIDEuNSAzLjUgNCAxIDYuNSAyLjUgOGw0LTQtNC00eiIgZmlsbD0iY3VycmVudENvbG9yIi8+PC9zdmc+);
```
The separator can be removed by setting `$breadcrumb-divider` to `none`:
```scss
$breadcrumb-divider: none;
```
## Accessibility
Since breadcrumbs provide a navigation, it's a good idea to add a meaningful label such as `aria-label="breadcrumb"` to describe the type of navigation provided in the `<nav>` element, as well as applying an `aria-current="page"` to the last item of the set to indicate that it represents the current page.
For more information, see the [ARIA Authoring Practices Guide breadcrumb pattern](https://www.w3.org/WAI/ARIA/apg/patterns/breadcrumb/).

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---
layout: docs
title: Button group
description: Group a series of buttons together on a single line with the button group, and super-power them with JavaScript.
group: components
toc: true
---
## Basic example
Wrap a series of buttons with `.btn` in `.btn-group`. Add on optional JavaScript radio and checkbox style behavior with [our buttons plugin]({{< docsref "/components/buttons#button-plugin" >}}).
{{< example >}}
<div class="btn-group" role="group" aria-label="Basic example">
<button type="button" class="btn btn-secondary">Left</button>
<button type="button" class="btn btn-secondary">Middle</button>
<button type="button" class="btn btn-secondary">Right</button>
</div>
{{< /example >}}
{{< callout warning >}}
##### Ensure correct `role` and provide a label
In order for assistive technologies (such as screen readers) to convey that a series of buttons is grouped, an appropriate `role` attribute needs to be provided. For button groups, this would be `role="group"`, while toolbars should have a `role="toolbar"`.
In addition, groups and toolbars should be given an explicit label, as most assistive technologies will otherwise not announce them, despite the presence of the correct role attribute. In the examples provided here, we use `aria-label`, but alternatives such as `aria-labelledby` can also be used.
{{< /callout >}}
## Button toolbar
Combine sets of button groups into button toolbars for more complex components. Use utility classes as needed to space out groups, buttons, and more.
{{< example >}}
<div class="btn-toolbar" role="toolbar" aria-label="Toolbar with button groups">
<div class="btn-group mr-2" role="group" aria-label="First group">
<button type="button" class="btn btn-secondary">1</button>
<button type="button" class="btn btn-secondary">2</button>
<button type="button" class="btn btn-secondary">3</button>
<button type="button" class="btn btn-secondary">4</button>
</div>
<div class="btn-group mr-2" role="group" aria-label="Second group">
<button type="button" class="btn btn-secondary">5</button>
<button type="button" class="btn btn-secondary">6</button>
<button type="button" class="btn btn-secondary">7</button>
</div>
<div class="btn-group" role="group" aria-label="Third group">
<button type="button" class="btn btn-secondary">8</button>
</div>
</div>
{{< /example >}}
Feel free to mix input groups with button groups in your toolbars. Similar to the example above, you'll likely need some utilities though to space things properly.
{{< example >}}
<div class="btn-toolbar mb-3" role="toolbar" aria-label="Toolbar with button groups">
<div class="btn-group mr-2" role="group" aria-label="First group">
<button type="button" class="btn btn-secondary">1</button>
<button type="button" class="btn btn-secondary">2</button>
<button type="button" class="btn btn-secondary">3</button>
<button type="button" class="btn btn-secondary">4</button>
</div>
<div class="input-group">
<div class="input-group-prepend">
<div class="input-group-text" id="btnGroupAddon">@</div>
</div>
<input type="text" class="form-control" placeholder="Input group example" aria-label="Input group example" aria-describedby="btnGroupAddon">
</div>
</div>
<div class="btn-toolbar justify-content-between" role="toolbar" aria-label="Toolbar with button groups">
<div class="btn-group" role="group" aria-label="First group">
<button type="button" class="btn btn-secondary">1</button>
<button type="button" class="btn btn-secondary">2</button>
<button type="button" class="btn btn-secondary">3</button>
<button type="button" class="btn btn-secondary">4</button>
</div>
<div class="input-group">
<div class="input-group-prepend">
<div class="input-group-text" id="btnGroupAddon2">@</div>
</div>
<input type="text" class="form-control" placeholder="Input group example" aria-label="Input group example" aria-describedby="btnGroupAddon2">
</div>
</div>
{{< /example >}}
## Sizing
Instead of applying button sizing classes to every button in a group, just add `.btn-group-*` to each `.btn-group`, including each one when nesting multiple groups.
<div class="bd-example">
<div class="btn-group btn-group-lg" role="group" aria-label="Large button group">
<button type="button" class="btn btn-secondary">Left</button>
<button type="button" class="btn btn-secondary">Middle</button>
<button type="button" class="btn btn-secondary">Right</button>
</div>
<br>
<div class="btn-group" role="group" aria-label="Default button group">
<button type="button" class="btn btn-secondary">Left</button>
<button type="button" class="btn btn-secondary">Middle</button>
<button type="button" class="btn btn-secondary">Right</button>
</div>
<br>
<div class="btn-group btn-group-sm" role="group" aria-label="Small button group">
<button type="button" class="btn btn-secondary">Left</button>
<button type="button" class="btn btn-secondary">Middle</button>
<button type="button" class="btn btn-secondary">Right</button>
</div>
</div>
```html
<div class="btn-group btn-group-lg" role="group" aria-label="...">...</div>
<div class="btn-group" role="group" aria-label="...">...</div>
<div class="btn-group btn-group-sm" role="group" aria-label="...">...</div>
```
## Nesting
Place a `.btn-group` within another `.btn-group` when you want dropdown menus mixed with a series of buttons.
{{< example >}}
<div class="btn-group" role="group" aria-label="Button group with nested dropdown">
<button type="button" class="btn btn-secondary">1</button>
<button type="button" class="btn btn-secondary">2</button>
<div class="btn-group" role="group">
<button type="button" class="btn btn-secondary dropdown-toggle" data-toggle="dropdown" aria-expanded="false">
Dropdown
</button>
<div class="dropdown-menu">
<a class="dropdown-item" href="#">Dropdown link</a>
<a class="dropdown-item" href="#">Dropdown link</a>
</div>
</div>
</div>
{{< /example >}}
## Vertical variation
Make a set of buttons appear vertically stacked rather than horizontally. **Split button dropdowns are not supported here.**
<div class="bd-example">
<div class="btn-group-vertical" role="group" aria-label="Vertical button group">
<button type="button" class="btn btn-secondary">Button</button>
<button type="button" class="btn btn-secondary">Button</button>
<button type="button" class="btn btn-secondary">Button</button>
<button type="button" class="btn btn-secondary">Button</button>
<button type="button" class="btn btn-secondary">Button</button>
<button type="button" class="btn btn-secondary">Button</button>
</div>
</div>
<div class="bd-example">
<div class="btn-group-vertical" role="group" aria-label="Vertical button group">
<button type="button" class="btn btn-secondary">Button</button>
<button type="button" class="btn btn-secondary">Button</button>
<div class="btn-group" role="group">
<button type="button" class="btn btn-secondary dropdown-toggle" data-toggle="dropdown" aria-expanded="false">
Dropdown
</button>
<div class="dropdown-menu">
<a class="dropdown-item" href="#">Dropdown link</a>
<a class="dropdown-item" href="#">Dropdown link</a>
</div>
</div>
<button type="button" class="btn btn-secondary">Button</button>
<button type="button" class="btn btn-secondary">Button</button>
<div class="btn-group" role="group">
<button type="button" class="btn btn-secondary dropdown-toggle" data-toggle="dropdown" aria-expanded="false">
Dropdown
</button>
<div class="dropdown-menu">
<a class="dropdown-item" href="#">Dropdown link</a>
<a class="dropdown-item" href="#">Dropdown link</a>
</div>
</div>
<div class="btn-group" role="group">
<button type="button" class="btn btn-secondary dropdown-toggle" data-toggle="dropdown" aria-expanded="false">
Dropdown
</button>
<div class="dropdown-menu">
<a class="dropdown-item" href="#">Dropdown link</a>
<a class="dropdown-item" href="#">Dropdown link</a>
</div>
</div>
<div class="btn-group" role="group">
<button type="button" class="btn btn-secondary dropdown-toggle" data-toggle="dropdown" aria-expanded="false">
Dropdown
</button>
<div class="dropdown-menu">
<a class="dropdown-item" href="#">Dropdown link</a>
<a class="dropdown-item" href="#">Dropdown link</a>
</div>
</div>
</div>
</div>
```html
<div class="btn-group-vertical">
...
</div>
```

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---
layout: docs
title: Buttons
description: Use Bootstrap's custom button styles for actions in forms, dialogs, and more with support for multiple sizes, states, and more.
group: components
toc: true
---
## Examples
Bootstrap includes several predefined button styles, each serving its own semantic purpose, with a few extras thrown in for more control.
{{< example >}}
{{< buttons.inline >}}
{{- range (index $.Site.Data "theme-colors") }}
<button type="button" class="btn btn-{{ .name }}">{{ .name | title }}</button>
{{- end -}}
{{< /buttons.inline >}}
<button type="button" class="btn btn-link">Link</button>
{{< /example >}}
{{< callout warning >}}
{{< partial "callout-warning-color-assistive-technologies.md" >}}
{{< /callout >}}
## Disable text wrapping
If you don't want the button text to wrap, you can add the `.text-nowrap` class to the button. In Sass, you can set `$btn-white-space: nowrap` to disable text wrapping for each button.
## Button tags
The `.btn` classes are designed to be used with the `<button>` element. However, you can also use these classes on `<a>` or `<input>` elements (though some browsers may apply a slightly different rendering).
When using button classes on `<a>` elements that are used to trigger in-page functionality (like collapsing content), rather than linking to new pages or sections within the current page, these links should be given a `role="button"` to appropriately convey their purpose to assistive technologies such as screen readers.
{{< example >}}
<a class="btn btn-primary" href="#" role="button">Link</a>
<button class="btn btn-primary" type="submit">Button</button>
<input class="btn btn-primary" type="button" value="Input">
<input class="btn btn-primary" type="submit" value="Submit">
<input class="btn btn-primary" type="reset" value="Reset">
{{< /example >}}
## Outline buttons
In need of a button, but not the hefty background colors they bring? Replace the default modifier classes with the `.btn-outline-*` ones to remove all background images and colors on any button.
{{< example >}}
{{< buttons.inline >}}
{{- range (index $.Site.Data "theme-colors") }}
<button type="button" class="btn btn-outline-{{ .name }}">{{ .name | title }}</button>
{{- end -}}
{{< /buttons.inline >}}
{{< /example >}}
{{< callout info >}}
Some of the button styles use a relatively light foreground color, and should only be used on a dark background in order to have sufficient contrast.
{{< /callout >}}
## Sizes
Fancy larger or smaller buttons? Add `.btn-lg` or `.btn-sm` for additional sizes.
{{< example >}}
<button type="button" class="btn btn-primary btn-lg">Large button</button>
<button type="button" class="btn btn-secondary btn-lg">Large button</button>
{{< /example >}}
{{< example >}}
<button type="button" class="btn btn-primary btn-sm">Small button</button>
<button type="button" class="btn btn-secondary btn-sm">Small button</button>
{{< /example >}}
Create block level buttons—those that span the full width of a parent—by adding `.btn-block`.
{{< example >}}
<button type="button" class="btn btn-primary btn-lg btn-block">Block level button</button>
<button type="button" class="btn btn-secondary btn-lg btn-block">Block level button</button>
{{< /example >}}
## Active state
Buttons will appear pressed when active with a darker background, darker border, and, when shadows are enabled, an inset shadow. **There's no need to add a class to `<button>`s as they use a pseudo-class**. However, you can still force the same active appearance with `.active` (and include the <code>aria-pressed="true"</code> attribute) should you need to replicate the state programmatically.
{{< example >}}
<a href="#" class="btn btn-primary btn-lg active" role="button" aria-pressed="true">Primary link</a>
<a href="#" class="btn btn-secondary btn-lg active" role="button" aria-pressed="true">Link</a>
{{< /example >}}
## Disabled state
Make buttons look inactive by adding the `disabled` boolean attribute to any `<button>` element.
{{< example >}}
<button type="button" class="btn btn-lg btn-primary" disabled>Primary button</button>
<button type="button" class="btn btn-secondary btn-lg" disabled>Button</button>
{{< /example >}}
Disabled buttons using the `<a>` element behave a bit different:
- `<a>`s don't support the `disabled` attribute, so you must add the `.disabled` class to make it visually appear disabled.
- Some future-friendly styles are included to disable all `pointer-events` on anchor buttons. In browsers which support that property, you won't see the disabled cursor at all.
- Disabled buttons using `<a>` should include the `aria-disabled="true"` attribute to indicate the state of the element to assistive technologies.
- Disabled buttons using `<a>` *should not* include the `href` attribute.
{{< example >}}
<a class="btn btn-primary btn-lg disabled" role="button" aria-disabled="true">Primary link</a>
<a class="btn btn-secondary btn-lg disabled" role="button" aria-disabled="true">Link</a>
{{< /example >}}
### Link functionality caveat
To cover cases where you have to keep the `href` attribute on a disabled link, the `.disabled` class uses `pointer-events: none` to try to disable the link functionality of `<a>`s. Note that this CSS property is not yet standardized for HTML, but all modern browsers support it. In addition, even in browsers that do support `pointer-events: none`, keyboard navigation remains unaffected, meaning that sighted keyboard users and users of assistive technologies will still be able to activate these links. So to be safe, in addition to `aria-disabled="true"`, also include a `tabindex="-1"` attribute on these links to prevent them from receiving keyboard focus, and use custom JavaScript to disable their functionality altogether.
{{< example >}}
<a href="#" class="btn btn-primary btn-lg disabled" tabindex="-1" role="button" aria-disabled="true">Primary link</a>
<a href="#" class="btn btn-secondary btn-lg disabled" tabindex="-1" role="button" aria-disabled="true">Link</a>
{{< /example >}}
## Button plugin
Do more with buttons. Control button states or create groups of buttons for more components like toolbars.
### Toggle states
Add `data-toggle="button"` to toggle a button's `active` state. If you're pre-toggling a button, you must manually add the `.active` class **and** `aria-pressed="true"` to the `<button>`.
{{< example >}}
<button type="button" class="btn btn-primary" data-toggle="button" aria-pressed="false">
Single toggle
</button>
{{< /example >}}
### Checkbox and radio buttons
Bootstrap's `.button` styles can be applied to other elements, such as `<label>`s, to provide checkbox or radio style button toggling. Add `data-toggle="buttons"` to a `.btn-group` containing those modified buttons to enable their toggling behavior via JavaScript and add `.btn-group-toggle` to style the `<input>`s within your buttons. **Note that you can create single input-powered buttons or groups of them.**
The checked state for these buttons is **only updated via `click` event** on the button. If you use another method to update the input—e.g., with `<input type="reset">` or by manually applying the input's `checked` property—you'll need to toggle `.active` on the `<label>` manually.
Note that pre-checked buttons require you to manually add the `.active` class to the input's `<label>`.
{{< example >}}
<div class="btn-group-toggle" data-toggle="buttons">
<label class="btn btn-secondary active">
<input type="checkbox" checked> Checked
</label>
</div>
{{< /example >}}
{{< example >}}
<div class="btn-group btn-group-toggle" data-toggle="buttons">
<label class="btn btn-secondary active">
<input type="radio" name="options" id="option1" checked> Active
</label>
<label class="btn btn-secondary">
<input type="radio" name="options" id="option2"> Radio
</label>
<label class="btn btn-secondary">
<input type="radio" name="options" id="option3"> Radio
</label>
</div>
{{< /example >}}
### Methods
| Method | Description |
| --- | --- |
| `$().button('toggle')` | Toggles push state. Gives the button the appearance that it has been activated. |
| `$().button('dispose')` | Destroys an element's button. |

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---
layout: docs
title: Cards
description: Bootstrap's cards provide a flexible and extensible content container with multiple variants and options.
group: components
toc: true
---
## About
A **card** is a flexible and extensible content container. It includes options for headers and footers, a wide variety of content, contextual background colors, and powerful display options. If you're familiar with Bootstrap 3, cards replace our old panels, wells, and thumbnails. Similar functionality to those components is available as modifier classes for cards.
## Example
Cards are built with as little markup and styles as possible, but still manage to deliver a ton of control and customization. Built with flexbox, they offer easy alignment and mix well with other Bootstrap components. They have no `margin` by default, so use [spacing utilities]({{< docsref "/utilities/spacing" >}}) as needed.
Below is an example of a basic card with mixed content and a fixed width. Cards have no fixed width to start, so they'll naturally fill the full width of its parent element. This is easily customized with our various [sizing options](#sizing).
{{< example >}}
<div class="card" style="width: 18rem;">
{{< placeholder width="100%" height="180" class="card-img-top" text="Image cap" >}}
<div class="card-body">
<h5 class="card-title">Card title</h5>
<p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p>
<a href="#" class="btn btn-primary">Go somewhere</a>
</div>
</div>
{{< /example >}}
## Content types
Cards support a wide variety of content, including images, text, list groups, links, and more. Below are examples of what's supported.
### Body
The building block of a card is the `.card-body`. Use it whenever you need a padded section within a card.
{{< example >}}
<div class="card">
<div class="card-body">
This is some text within a card body.
</div>
</div>
{{< /example >}}
### Titles, text, and links
Card titles are used by adding `.card-title` to a `<h*>` tag. In the same way, links are added and placed next to each other by adding `.card-link` to an `<a>` tag.
Subtitles are used by adding a `.card-subtitle` to a `<h*>` tag. If the `.card-title` and the `.card-subtitle` items are placed in a `.card-body` item, the card title and subtitle are aligned nicely.
{{< example >}}
<div class="card" style="width: 18rem;">
<div class="card-body">
<h5 class="card-title">Card title</h5>
<h6 class="card-subtitle mb-2 text-muted">Card subtitle</h6>
<p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p>
<a href="#" class="card-link">Card link</a>
<a href="#" class="card-link">Another link</a>
</div>
</div>
{{< /example >}}
### Images
`.card-img-top` places an image to the top of the card. With `.card-text`, text can be added to the card. Text within `.card-text` can also be styled with the standard HTML tags.
{{< example >}}
<div class="card" style="width: 18rem;">
{{< placeholder width="100%" height="180" class="card-img-top" text="Image cap" >}}
<div class="card-body">
<p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p>
</div>
</div>
{{< /example >}}
### List groups
Create lists of content in a card with a flush list group.
{{< example >}}
<div class="card" style="width: 18rem;">
<ul class="list-group list-group-flush">
<li class="list-group-item">An item</li>
<li class="list-group-item">A second item</li>
<li class="list-group-item">A third item</li>
</ul>
</div>
{{< /example >}}
{{< example >}}
<div class="card" style="width: 18rem;">
<div class="card-header">
Featured
</div>
<ul class="list-group list-group-flush">
<li class="list-group-item">An item</li>
<li class="list-group-item">A second item</li>
<li class="list-group-item">A third item</li>
</ul>
</div>
{{< /example >}}
{{< example >}}
<div class="card" style="width: 18rem;">
<ul class="list-group list-group-flush">
<li class="list-group-item">An item</li>
<li class="list-group-item">A second item</li>
<li class="list-group-item">A third item</li>
</ul>
<div class="card-footer">
Card footer
</div>
</div>
{{< /example >}}
### Kitchen sink
Mix and match multiple content types to create the card you need, or throw everything in there. Shown below are image styles, blocks, text styles, and a list group—all wrapped in a fixed-width card.
{{< example >}}
<div class="card" style="width: 18rem;">
{{< placeholder width="100%" height="180" class="card-img-top" text="Image cap" >}}
<div class="card-body">
<h5 class="card-title">Card title</h5>
<p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p>
</div>
<ul class="list-group list-group-flush">
<li class="list-group-item">An item</li>
<li class="list-group-item">A second item</li>
<li class="list-group-item">A third item</li>
</ul>
<div class="card-body">
<a href="#" class="card-link">Card link</a>
<a href="#" class="card-link">Another link</a>
</div>
</div>
{{< /example >}}
### Header and footer
Add an optional header and/or footer within a card.
{{< example >}}
<div class="card">
<div class="card-header">
Featured
</div>
<div class="card-body">
<h5 class="card-title">Special title treatment</h5>
<p class="card-text">With supporting text below as a natural lead-in to additional content.</p>
<a href="#" class="btn btn-primary">Go somewhere</a>
</div>
</div>
{{< /example >}}
Card headers can be styled by adding `.card-header` to `<h*>` elements.
{{< example >}}
<div class="card">
<h5 class="card-header">Featured</h5>
<div class="card-body">
<h5 class="card-title">Special title treatment</h5>
<p class="card-text">With supporting text below as a natural lead-in to additional content.</p>
<a href="#" class="btn btn-primary">Go somewhere</a>
</div>
</div>
{{< /example >}}
{{< example >}}
<div class="card">
<div class="card-header">
Quote
</div>
<div class="card-body">
<blockquote class="blockquote mb-0">
<p>A well-known quote, contained in a blockquote element.</p>
<footer class="blockquote-footer">Someone famous in <cite title="Source Title">Source Title</cite></footer>
</blockquote>
</div>
</div>
{{< /example >}}
{{< example >}}
<div class="card text-center">
<div class="card-header">
Featured
</div>
<div class="card-body">
<h5 class="card-title">Special title treatment</h5>
<p class="card-text">With supporting text below as a natural lead-in to additional content.</p>
<a href="#" class="btn btn-primary">Go somewhere</a>
</div>
<div class="card-footer text-muted">
2 days ago
</div>
</div>
{{< /example >}}
## Sizing
Cards assume no specific `width` to start, so they'll be 100% wide unless otherwise stated. You can change this as needed with custom CSS, grid classes, grid Sass mixins, or utilities.
### Using grid markup
Using the grid, wrap cards in columns and rows as needed.
{{< example >}}
<div class="row">
<div class="col-sm-6">
<div class="card">
<div class="card-body">
<h5 class="card-title">Special title treatment</h5>
<p class="card-text">With supporting text below as a natural lead-in to additional content.</p>
<a href="#" class="btn btn-primary">Go somewhere</a>
</div>
</div>
</div>
<div class="col-sm-6">
<div class="card">
<div class="card-body">
<h5 class="card-title">Special title treatment</h5>
<p class="card-text">With supporting text below as a natural lead-in to additional content.</p>
<a href="#" class="btn btn-primary">Go somewhere</a>
</div>
</div>
</div>
</div>
{{< /example >}}
### Using utilities
Use our handful of [available sizing utilities]({{< docsref "/utilities/sizing" >}}) to quickly set a card's width.
{{< example >}}
<div class="card w-75">
<div class="card-body">
<h5 class="card-title">Card title</h5>
<p class="card-text">With supporting text below as a natural lead-in to additional content.</p>
<a href="#" class="btn btn-primary">Button</a>
</div>
</div>
<div class="card w-50">
<div class="card-body">
<h5 class="card-title">Card title</h5>
<p class="card-text">With supporting text below as a natural lead-in to additional content.</p>
<a href="#" class="btn btn-primary">Button</a>
</div>
</div>
{{< /example >}}
### Using custom CSS
Use custom CSS in your stylesheets or as inline styles to set a width.
{{< example >}}
<div class="card" style="width: 18rem;">
<div class="card-body">
<h5 class="card-title">Special title treatment</h5>
<p class="card-text">With supporting text below as a natural lead-in to additional content.</p>
<a href="#" class="btn btn-primary">Go somewhere</a>
</div>
</div>
{{< /example >}}
## Text alignment
You can quickly change the text alignment of any card—in its entirety or specific parts—with our [text align classes]({{< docsref "/utilities/text#text-alignment" >}}).
{{< example >}}
<div class="card" style="width: 18rem;">
<div class="card-body">
<h5 class="card-title">Special title treatment</h5>
<p class="card-text">With supporting text below as a natural lead-in to additional content.</p>
<a href="#" class="btn btn-primary">Go somewhere</a>
</div>
</div>
<div class="card text-center" style="width: 18rem;">
<div class="card-body">
<h5 class="card-title">Special title treatment</h5>
<p class="card-text">With supporting text below as a natural lead-in to additional content.</p>
<a href="#" class="btn btn-primary">Go somewhere</a>
</div>
</div>
<div class="card text-right" style="width: 18rem;">
<div class="card-body">
<h5 class="card-title">Special title treatment</h5>
<p class="card-text">With supporting text below as a natural lead-in to additional content.</p>
<a href="#" class="btn btn-primary">Go somewhere</a>
</div>
</div>
{{< /example >}}
## Navigation
Add some navigation to a card's header (or block) with Bootstrap's [nav components]({{< docsref "/components/navs" >}}).
{{< example >}}
<div class="card text-center">
<div class="card-header">
<ul class="nav nav-tabs card-header-tabs">
<li class="nav-item">
<a class="nav-link active" href="#">Active</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Link</a>
</li>
<li class="nav-item">
<a class="nav-link disabled">Disabled</a>
</li>
</ul>
</div>
<div class="card-body">
<h5 class="card-title">Special title treatment</h5>
<p class="card-text">With supporting text below as a natural lead-in to additional content.</p>
<a href="#" class="btn btn-primary">Go somewhere</a>
</div>
</div>
{{< /example >}}
{{< example >}}
<div class="card text-center">
<div class="card-header">
<ul class="nav nav-pills card-header-pills">
<li class="nav-item">
<a class="nav-link active" href="#">Active</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Link</a>
</li>
<li class="nav-item">
<a class="nav-link disabled">Disabled</a>
</li>
</ul>
</div>
<div class="card-body">
<h5 class="card-title">Special title treatment</h5>
<p class="card-text">With supporting text below as a natural lead-in to additional content.</p>
<a href="#" class="btn btn-primary">Go somewhere</a>
</div>
</div>
{{< /example >}}
## Images
Cards include a few options for working with images. Choose from appending "image caps" at either end of a card, overlaying images with card content, or simply embedding the image in a card.
### Image caps
Similar to headers and footers, cards can include top and bottom "image caps"—images at the top or bottom of a card.
{{< example >}}
<div class="card mb-3">
{{< placeholder width="100%" height="180" class="card-img-top" text="Image cap" >}}
<div class="card-body">
<h5 class="card-title">Card title</h5>
<p class="card-text">This is a wider card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
<p class="card-text"><small class="text-muted">Last updated 3 mins ago</small></p>
</div>
</div>
<div class="card">
<div class="card-body">
<h5 class="card-title">Card title</h5>
<p class="card-text">This is a wider card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
<p class="card-text"><small class="text-muted">Last updated 3 mins ago</small></p>
</div>
{{< placeholder width="100%" height="180" class="card-img-bottom" text="Image cap" >}}
</div>
{{< /example >}}
### Image overlays
Turn an image into a card background and overlay your card's text. Depending on the image, you may or may not need additional styles or utilities.
{{< example >}}
<div class="card bg-dark text-white">
{{< placeholder width="100%" height="270" class="bd-placeholder-img-lg card-img" text="Card image" >}}
<div class="card-img-overlay">
<h5 class="card-title">Card title</h5>
<p class="card-text">This is a wider card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
<p class="card-text">Last updated 3 mins ago</p>
</div>
</div>
{{< /example >}}
{{< callout info >}}
Note that content should not be larger than the height of the image. If content is larger than the image the content will be displayed outside the image.
{{< /callout >}}
## Horizontal
Using a combination of grid and utility classes, cards can be made horizontal in a mobile-friendly and responsive way. In the example below, we remove the grid gutters with `.no-gutters` and use `.col-md-*` classes to make the card horizontal at the `md` breakpoint. Further adjustments may be needed depending on your card content.
{{< example >}}
<div class="card mb-3" style="max-width: 540px;">
<div class="row no-gutters">
<div class="col-md-4">
{{< placeholder width="100%" height="250" class="" text="Image" >}}
</div>
<div class="col-md-8">
<div class="card-body">
<h5 class="card-title">Card title</h5>
<p class="card-text">This is a wider card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
<p class="card-text"><small class="text-muted">Last updated 3 mins ago</small></p>
</div>
</div>
</div>
</div>
{{< /example >}}
## Card styles
Cards include various options for customizing their backgrounds, borders, and color.
### Background and color
Use [text and background utilities]({{< docsref "/utilities/colors" >}}) to change the appearance of a card.
{{< example >}}
{{< card.inline >}}
{{- range (index $.Site.Data "theme-colors") }}
<div class="card{{ if not (eq .name "light") }} text-white{{ end }} bg-{{ .name }} mb-3" style="max-width: 18rem;">
<div class="card-header">Header</div>
<div class="card-body">
<h5 class="card-title">{{ .name | title }} card title</h5>
<p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p>
</div>
</div>
{{- end -}}
{{< /card.inline >}}
{{< /example >}}
{{< callout warning >}}
{{< partial "callout-warning-color-assistive-technologies.md" >}}
{{< /callout >}}
### Border
Use [border utilities]({{< docsref "/utilities/borders" >}}) to change just the `border-color` of a card. Note that you can put `.text-{color}` classes on the parent `.card` or a subset of the card's contents as shown below.
{{< example >}}
{{< card.inline >}}
{{- range (index $.Site.Data "theme-colors") }}
<div class="card border-{{ .name }} mb-3" style="max-width: 18rem;">
<div class="card-header">Header</div>
<div class="card-body{{ if not (eq .name "light") }} text-{{ .name }}{{ end }}">
<h5 class="card-title">{{ .name | title }} card title</h5>
<p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p>
</div>
</div>
{{- end -}}
{{< /card.inline >}}
{{< /example >}}
### Mixins utilities
You can also change the borders on the card header and footer as needed, and even remove their `background-color` with `.bg-transparent`.
{{< example >}}
<div class="card border-success mb-3" style="max-width: 18rem;">
<div class="card-header bg-transparent border-success">Header</div>
<div class="card-body text-success">
<h5 class="card-title">Success card title</h5>
<p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p>
</div>
<div class="card-footer bg-transparent border-success">Footer</div>
</div>
{{< /example >}}
## Card layout
In addition to styling the content within cards, Bootstrap includes a few options for laying out series of cards. For the time being, **these layout options are not yet responsive**.
### Card groups
Use card groups to render cards as a single, attached element with equal width and height columns. Card groups start off stacked and use `display: flex;` to become attached with uniform dimensions starting at the `sm` breakpoint.
{{< example >}}
<div class="card-group">
<div class="card">
{{< placeholder width="100%" height="180" class="card-img-top" text="Image cap" >}}
<div class="card-body">
<h5 class="card-title">Card title</h5>
<p class="card-text">This is a wider card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
<p class="card-text"><small class="text-muted">Last updated 3 mins ago</small></p>
</div>
</div>
<div class="card">
{{< placeholder width="100%" height="180" class="card-img-top" text="Image cap" >}}
<div class="card-body">
<h5 class="card-title">Card title</h5>
<p class="card-text">This card has supporting text below as a natural lead-in to additional content.</p>
<p class="card-text"><small class="text-muted">Last updated 3 mins ago</small></p>
</div>
</div>
<div class="card">
{{< placeholder width="100%" height="180" class="card-img-top" text="Image cap" >}}
<div class="card-body">
<h5 class="card-title">Card title</h5>
<p class="card-text">This is a wider card with supporting text below as a natural lead-in to additional content. This card has even longer content than the first to show that equal height action.</p>
<p class="card-text"><small class="text-muted">Last updated 3 mins ago</small></p>
</div>
</div>
</div>
{{< /example >}}
When using card groups with footers, their content will automatically line up.
{{< example >}}
<div class="card-group">
<div class="card">
{{< placeholder width="100%" height="180" class="card-img-top" text="Image cap" >}}
<div class="card-body">
<h5 class="card-title">Card title</h5>
<p class="card-text">This is a wider card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
</div>
<div class="card-footer">
<small class="text-muted">Last updated 3 mins ago</small>
</div>
</div>
<div class="card">
{{< placeholder width="100%" height="180" class="card-img-top" text="Image cap" >}}
<div class="card-body">
<h5 class="card-title">Card title</h5>
<p class="card-text">This card has supporting text below as a natural lead-in to additional content.</p>
</div>
<div class="card-footer">
<small class="text-muted">Last updated 3 mins ago</small>
</div>
</div>
<div class="card">
{{< placeholder width="100%" height="180" class="card-img-top" text="Image cap" >}}
<div class="card-body">
<h5 class="card-title">Card title</h5>
<p class="card-text">This is a wider card with supporting text below as a natural lead-in to additional content. This card has even longer content than the first to show that equal height action.</p>
</div>
<div class="card-footer">
<small class="text-muted">Last updated 3 mins ago</small>
</div>
</div>
</div>
{{< /example >}}
### Card decks
Need a set of equal width and height cards that aren't attached to one another? Use card decks.
{{< example >}}
<div class="card-deck">
<div class="card">
{{< placeholder width="100%" height="200" class="card-img-top" text="Image cap" >}}
<div class="card-body">
<h5 class="card-title">Card title</h5>
<p class="card-text">This is a longer card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
<p class="card-text"><small class="text-muted">Last updated 3 mins ago</small></p>
</div>
</div>
<div class="card">
{{< placeholder width="100%" height="200" class="card-img-top" text="Image cap" >}}
<div class="card-body">
<h5 class="card-title">Card title</h5>
<p class="card-text">This card has supporting text below as a natural lead-in to additional content.</p>
<p class="card-text"><small class="text-muted">Last updated 3 mins ago</small></p>
</div>
</div>
<div class="card">
{{< placeholder width="100%" height="200" class="card-img-top" text="Image cap" >}}
<div class="card-body">
<h5 class="card-title">Card title</h5>
<p class="card-text">This is a wider card with supporting text below as a natural lead-in to additional content. This card has even longer content than the first to show that equal height action.</p>
<p class="card-text"><small class="text-muted">Last updated 3 mins ago</small></p>
</div>
</div>
</div>
{{< /example >}}
Just like with card groups, card footers in decks will automatically line up.
{{< example >}}
<div class="card-deck">
<div class="card">
{{< placeholder width="100%" height="180" class="card-img-top" text="Image cap" >}}
<div class="card-body">
<h5 class="card-title">Card title</h5>
<p class="card-text">This is a wider card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
</div>
<div class="card-footer">
<small class="text-muted">Last updated 3 mins ago</small>
</div>
</div>
<div class="card">
{{< placeholder width="100%" height="180" class="card-img-top" text="Image cap" >}}
<div class="card-body">
<h5 class="card-title">Card title</h5>
<p class="card-text">This card has supporting text below as a natural lead-in to additional content.</p>
</div>
<div class="card-footer">
<small class="text-muted">Last updated 3 mins ago</small>
</div>
</div>
<div class="card">
{{< placeholder width="100%" height="180" class="card-img-top" text="Image cap" >}}
<div class="card-body">
<h5 class="card-title">Card title</h5>
<p class="card-text">This is a wider card with supporting text below as a natural lead-in to additional content. This card has even longer content than the first to show that equal height action.</p>
</div>
<div class="card-footer">
<small class="text-muted">Last updated 3 mins ago</small>
</div>
</div>
</div>
{{< /example >}}
### Grid cards
Use the Bootstrap grid system and its [`.row-cols` classes]({{< docsref "/layout/grid#row-columns" >}}) to control how many grid columns (wrapped around your cards) you show per row. For example, here's `.row-cols-1` laying out the cards on one column, and `.row-cols-md-2` splitting four cards to equal width across multiple rows, from the medium breakpoint up.
{{< example >}}
<div class="row row-cols-1 row-cols-md-2">
<div class="col mb-4">
<div class="card">
{{< placeholder width="100%" height="180" class="card-img-top" text="Image cap" >}}
<div class="card-body">
<h5 class="card-title">Card title</h5>
<p class="card-text">This is a longer card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
</div>
</div>
</div>
<div class="col mb-4">
<div class="card">
{{< placeholder width="100%" height="180" class="card-img-top" text="Image cap" >}}
<div class="card-body">
<h5 class="card-title">Card title</h5>
<p class="card-text">This is a longer card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
</div>
</div>
</div>
<div class="col mb-4">
<div class="card">
{{< placeholder width="100%" height="180" class="card-img-top" text="Image cap" >}}
<div class="card-body">
<h5 class="card-title">Card title</h5>
<p class="card-text">This is a longer card with supporting text below as a natural lead-in to additional content.</p>
</div>
</div>
</div>
<div class="col mb-4">
<div class="card">
{{< placeholder width="100%" height="180" class="card-img-top" text="Image cap" >}}
<div class="card-body">
<h5 class="card-title">Card title</h5>
<p class="card-text">This is a longer card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
</div>
</div>
</div>
</div>
{{< /example >}}
Change it to `.row-cols-3` and you'll see the fourth card wrap.
{{< example >}}
<div class="row row-cols-1 row-cols-md-3">
<div class="col mb-4">
<div class="card">
{{< placeholder width="100%" height="180" class="card-img-top" text="Image cap" >}}
<div class="card-body">
<h5 class="card-title">Card title</h5>
<p class="card-text">This is a longer card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
</div>
</div>
</div>
<div class="col mb-4">
<div class="card">
{{< placeholder width="100%" height="180" class="card-img-top" text="Image cap" >}}
<div class="card-body">
<h5 class="card-title">Card title</h5>
<p class="card-text">This is a longer card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
</div>
</div>
</div>
<div class="col mb-4">
<div class="card">
{{< placeholder width="100%" height="180" class="card-img-top" text="Image cap" >}}
<div class="card-body">
<h5 class="card-title">Card title</h5>
<p class="card-text">This is a longer card with supporting text below as a natural lead-in to additional content.</p>
</div>
</div>
</div>
<div class="col mb-4">
<div class="card">
{{< placeholder width="100%" height="180" class="card-img-top" text="Image cap" >}}
<div class="card-body">
<h5 class="card-title">Card title</h5>
<p class="card-text">This is a longer card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
</div>
</div>
</div>
</div>
{{< /example >}}
When you need equal height, add `.h-100` to the cards. If you want equal heights by default, you can set `$card-height: 100%` in Sass.
{{< example >}}
<div class="row row-cols-1 row-cols-md-3">
<div class="col mb-4">
<div class="card h-100">
{{< placeholder width="100%" height="180" class="card-img-top" text="Image cap" >}}
<div class="card-body">
<h5 class="card-title">Card title</h5>
<p class="card-text">This is a longer card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
</div>
</div>
</div>
<div class="col mb-4">
<div class="card h-100">
{{< placeholder width="100%" height="180" class="card-img-top" text="Image cap" >}}
<div class="card-body">
<h5 class="card-title">Card title</h5>
<p class="card-text">This is a short card.</p>
</div>
</div>
</div>
<div class="col mb-4">
<div class="card h-100">
{{< placeholder width="100%" height="180" class="card-img-top" text="Image cap" >}}
<div class="card-body">
<h5 class="card-title">Card title</h5>
<p class="card-text">This is a longer card with supporting text below as a natural lead-in to additional content.</p>
</div>
</div>
</div>
<div class="col mb-4">
<div class="card h-100">
{{< placeholder width="100%" height="180" class="card-img-top" text="Image cap" >}}
<div class="card-body">
<h5 class="card-title">Card title</h5>
<p class="card-text">This is a longer card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
</div>
</div>
</div>
</div>
{{< /example >}}
### Card columns
Cards can be organized into [Masonry](https://masonry.desandro.com/)-like columns with just CSS by wrapping them in `.card-columns`. Cards are built with CSS `column` properties instead of flexbox for easier alignment. Cards are ordered from top to bottom and left to right.
**Heads up!** Your mileage with card columns may vary. To prevent cards breaking across columns, we must set them to `display: inline-block` as `column-break-inside: avoid` isn't a bulletproof solution yet.
{{< example >}}
<div class="card-columns">
<div class="card">
{{< placeholder width="100%" height="160" class="card-img-top" text="Image cap" >}}
<div class="card-body">
<h5 class="card-title">Card title that wraps to a new line</h5>
<p class="card-text">This is a longer card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
</div>
</div>
<div class="card p-3">
<blockquote class="blockquote mb-0 card-body">
<p>A well-known quote, contained in a blockquote element.</p>
<footer class="blockquote-footer">
<small class="text-muted">
Someone famous in <cite title="Source Title">Source Title</cite>
</small>
</footer>
</blockquote>
</div>
<div class="card">
{{< placeholder width="100%" height="160" class="card-img-top" text="Image cap" >}}
<div class="card-body">
<h5 class="card-title">Card title</h5>
<p class="card-text">This card has supporting text below as a natural lead-in to additional content.</p>
<p class="card-text"><small class="text-muted">Last updated 3 mins ago</small></p>
</div>
</div>
<div class="card bg-primary text-white text-center p-3">
<blockquote class="blockquote mb-0">
<p>A well-known quote, contained in a blockquote element.</p>
<footer class="blockquote-footer text-white">
<small>
Someone famous in <cite title="Source Title">Source Title</cite>
</small>
</footer>
</blockquote>
</div>
<div class="card text-center">
<div class="card-body">
<h5 class="card-title">Card title</h5>
<p class="card-text">This card has a regular title and short paragraphy of text below it.</p>
<p class="card-text"><small class="text-muted">Last updated 3 mins ago</small></p>
</div>
</div>
<div class="card">
{{< placeholder width="100%" height="260" class="card-img" text="Card image" >}}
</div>
<div class="card p-3 text-right">
<blockquote class="blockquote mb-0">
<p>A well-known quote, contained in a blockquote element.</p>
<footer class="blockquote-footer">
<small class="text-muted">
Someone famous in <cite title="Source Title">Source Title</cite>
</small>
</footer>
</blockquote>
</div>
<div class="card">
<div class="card-body">
<h5 class="card-title">Card title</h5>
<p class="card-text">This is another card with title and supporting text below. This card has some additional content to make it slightly taller overall.</p>
<p class="card-text"><small class="text-muted">Last updated 3 mins ago</small></p>
</div>
</div>
</div>
{{< /example >}}
Card columns can also be extended and customized with some additional code. Shown below is an extension of the `.card-columns` class using the same CSS we use—CSS columns— to generate a set of responsive tiers for changing the number of columns.
```scss
.card-columns {
@include media-breakpoint-only(lg) {
column-count: 4;
}
@include media-breakpoint-only(xl) {
column-count: 5;
}
}
```

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@@ -0,0 +1,395 @@
---
layout: docs
title: Carousel
description: A slideshow component for cycling through elements—images or slides of text—like a carousel.
group: components
toc: true
---
## How it works
The carousel is a slideshow for cycling through a series of content, built with CSS 3D transforms and a bit of JavaScript. It works with a series of images, text, or custom markup. It also includes support for previous/next controls and indicators.
In browsers where the [Page Visibility API](https://www.w3.org/TR/page-visibility/) is supported, the carousel will avoid sliding when the webpage is not visible to the user (such as when the browser tab is inactive, the browser window is minimized, etc.).
{{< callout info >}}
{{< partial "callout-info-prefersreducedmotion.md" >}}
{{< /callout >}}
Please be aware that nested carousels are not supported, and carousels are generally not compliant with accessibility standards.
Lastly, if you're building our JavaScript from source, it [requires `util.js`]({{< docsref "/getting-started/javascript#util" >}}).
## Example
Carousels don't automatically normalize slide dimensions. As such, you may need to use additional utilities or custom styles to appropriately size content. While carousels support previous/next controls and indicators, they're not explicitly required. Add and customize as you see fit.
**The `.active` class needs to be added to one of the slides** otherwise the carousel will not be visible. Also be sure to set a unique `id` on the `.carousel` for optional controls, especially if you're using multiple carousels on a single page. Control and indicator elements must have a `data-target` attribute (or `href` for links) that matches the `id` of the `.carousel` element.
### Slides only
Here's a carousel with slides only. Note the presence of the `.d-block` and `.w-100` on carousel images to prevent browser default image alignment.
{{< example >}}
<div id="carouselExampleSlidesOnly" class="carousel slide" data-ride="carousel">
<div class="carousel-inner">
<div class="carousel-item active">
{{< placeholder width="800" height="400" class="bd-placeholder-img-lg d-block w-100" color="#555" background="#777" text="First slide" >}}
</div>
<div class="carousel-item">
{{< placeholder width="800" height="400" class="bd-placeholder-img-lg d-block w-100" color="#444" background="#666" text="Second slide" >}}
</div>
<div class="carousel-item">
{{< placeholder width="800" height="400" class="bd-placeholder-img-lg d-block w-100" color="#333" background="#555" text="Third slide" >}}
</div>
</div>
</div>
{{< /example >}}
### With controls
Adding in the previous and next controls. We recommend using `<button>` elements, but you can also use `<a>` elements with `role="button"`.
{{< example >}}
<div id="carouselExampleControls" class="carousel slide" data-ride="carousel">
<div class="carousel-inner">
<div class="carousel-item active">
{{< placeholder width="800" height="400" class="bd-placeholder-img-lg d-block w-100" color="#555" background="#777" text="First slide" >}}
</div>
<div class="carousel-item">
{{< placeholder width="800" height="400" class="bd-placeholder-img-lg d-block w-100" color="#444" background="#666" text="Second slide" >}}
</div>
<div class="carousel-item">
{{< placeholder width="800" height="400" class="bd-placeholder-img-lg d-block w-100" color="#333" background="#555" text="Third slide" >}}
</div>
</div>
<button class="carousel-control-prev" type="button" data-target="#carouselExampleControls" data-slide="prev">
<span class="carousel-control-prev-icon" aria-hidden="true"></span>
<span class="sr-only">Previous</span>
</button>
<button class="carousel-control-next" type="button" data-target="#carouselExampleControls" data-slide="next">
<span class="carousel-control-next-icon" aria-hidden="true"></span>
<span class="sr-only">Next</span>
</button>
</div>
{{< /example >}}
### With indicators
You can also add the indicators to the carousel, alongside the controls, too.
{{< example >}}
<div id="carouselExampleIndicators" class="carousel slide" data-ride="carousel">
<ol class="carousel-indicators">
<li data-target="#carouselExampleIndicators" data-slide-to="0" class="active"></li>
<li data-target="#carouselExampleIndicators" data-slide-to="1"></li>
<li data-target="#carouselExampleIndicators" data-slide-to="2"></li>
</ol>
<div class="carousel-inner">
<div class="carousel-item active">
{{< placeholder width="800" height="400" class="bd-placeholder-img-lg d-block w-100" color="#555" background="#777" text="First slide" >}}
</div>
<div class="carousel-item">
{{< placeholder width="800" height="400" class="bd-placeholder-img-lg d-block w-100" color="#444" background="#666" text="Second slide" >}}
</div>
<div class="carousel-item">
{{< placeholder width="800" height="400" class="bd-placeholder-img-lg d-block w-100" color="#333" background="#555" text="Third slide" >}}
</div>
</div>
<button class="carousel-control-prev" type="button" data-target="#carouselExampleIndicators" data-slide="prev">
<span class="carousel-control-prev-icon" aria-hidden="true"></span>
<span class="sr-only">Previous</span>
</button>
<button class="carousel-control-next" type="button" data-target="#carouselExampleIndicators" data-slide="next">
<span class="carousel-control-next-icon" aria-hidden="true"></span>
<span class="sr-only">Next</span>
</button>
</div>
{{< /example >}}
### With captions
Add captions to your slides easily with the `.carousel-caption` element within any `.carousel-item`. They can be easily hidden on smaller viewports, as shown below, with optional [display utilities]({{< docsref "/utilities/display" >}}). We hide them initially with `.d-none` and bring them back on medium-sized devices with `.d-md-block`.
{{< example >}}
<div id="carouselExampleCaptions" class="carousel slide" data-ride="carousel">
<ol class="carousel-indicators">
<li data-target="#carouselExampleCaptions" data-slide-to="0" class="active"></li>
<li data-target="#carouselExampleCaptions" data-slide-to="1"></li>
<li data-target="#carouselExampleCaptions" data-slide-to="2"></li>
</ol>
<div class="carousel-inner">
<div class="carousel-item active">
{{< placeholder width="800" height="400" class="bd-placeholder-img-lg d-block w-100" color="#555" background="#777" text="First slide" >}}
<div class="carousel-caption d-none d-md-block">
<h5>First slide label</h5>
<p>Some representative placeholder content for the first slide.</p>
</div>
</div>
<div class="carousel-item">
{{< placeholder width="800" height="400" class="bd-placeholder-img-lg d-block w-100" color="#444" background="#666" text="Second slide" >}}
<div class="carousel-caption d-none d-md-block">
<h5>Second slide label</h5>
<p>Some representative placeholder content for the second slide.</p>
</div>
</div>
<div class="carousel-item">
{{< placeholder width="800" height="400" class="bd-placeholder-img-lg d-block w-100" color="#333" background="#555" text="Third slide" >}}
<div class="carousel-caption d-none d-md-block">
<h5>Third slide label</h5>
<p>Some representative placeholder content for the third slide.</p>
</div>
</div>
</div>
<button class="carousel-control-prev" type="button" data-target="#carouselExampleCaptions" data-slide="prev">
<span class="carousel-control-prev-icon" aria-hidden="true"></span>
<span class="sr-only">Previous</span>
</button>
<button class="carousel-control-next" type="button" data-target="#carouselExampleCaptions" data-slide="next">
<span class="carousel-control-next-icon" aria-hidden="true"></span>
<span class="sr-only">Next</span>
</button>
</div>
{{< /example >}}
### Crossfade
Add `.carousel-fade` to your carousel to animate slides with a fade transition instead of a slide. Depending on your carousel content (e.g., text only slides), you may want to add `.bg-body` or some custom CSS to the `.carousel-item`s for proper crossfading.
{{< example >}}
<div id="carouselExampleFade" class="carousel slide carousel-fade" data-ride="carousel">
<div class="carousel-inner">
<div class="carousel-item active">
{{< placeholder width="800" height="400" class="bd-placeholder-img-lg d-block w-100" color="#555" background="#777" text="First slide" >}}
</div>
<div class="carousel-item">
{{< placeholder width="800" height="400" class="bd-placeholder-img-lg d-block w-100" color="#444" background="#666" text="Second slide" >}}
</div>
<div class="carousel-item">
{{< placeholder width="800" height="400" class="bd-placeholder-img-lg d-block w-100" color="#333" background="#555" text="Third slide" >}}
</div>
</div>
<button class="carousel-control-prev" type="button" data-target="#carouselExampleFade" data-slide="prev">
<span class="carousel-control-prev-icon" aria-hidden="true"></span>
<span class="sr-only">Previous</span>
</button>
<button class="carousel-control-next" type="button" data-target="#carouselExampleFade" data-slide="next">
<span class="carousel-control-next-icon" aria-hidden="true"></span>
<span class="sr-only">Next</span>
</button>
</div>
{{< /example >}}
### Individual `.carousel-item` interval
Add `data-interval=""` to a `.carousel-item` to change the amount of time to delay between automatically cycling to the next item.
{{< example >}}
<div id="carouselExampleInterval" class="carousel slide" data-ride="carousel">
<div class="carousel-inner">
<div class="carousel-item active" data-interval="10000">
{{< placeholder width="800" height="400" class="bd-placeholder-img-lg d-block w-100" color="#555" background="#777" text="First slide" >}}
</div>
<div class="carousel-item" data-interval="2000">
{{< placeholder width="800" height="400" class="bd-placeholder-img-lg d-block w-100" color="#444" background="#666" text="Second slide" >}}
</div>
<div class="carousel-item">
{{< placeholder width="800" height="400" class="bd-placeholder-img-lg d-block w-100" color="#333" background="#555" text="Third slide" >}}
</div>
</div>
<button class="carousel-control-prev" type="button" data-target="#carouselExampleInterval" data-slide="prev">
<span class="carousel-control-prev-icon" aria-hidden="true"></span>
<span class="sr-only">Previous</span>
</button>
<button class="carousel-control-next" type="button" data-target="#carouselExampleInterval" data-slide="next">
<span class="carousel-control-next-icon" aria-hidden="true"></span>
<span class="sr-only">Next</span>
</button>
</div>
{{< /example >}}
### Disable touch swiping
Carousels support swiping left/right on touchscreen devices to move between slides. This can be disabled using the `data-touch` attribute. The example below also does not include the `data-ride` attribute and has `data-interval="false"` so it doesn't autoplay.
{{< example >}}
<div id="carouselExampleControlsNoTouching" class="carousel slide" data-touch="false" data-interval="false">
<div class="carousel-inner">
<div class="carousel-item active">
{{< placeholder width="800" height="400" class="bd-placeholder-img-lg d-block w-100" color="#555" background="#777" text="First slide" >}}
</div>
<div class="carousel-item">
{{< placeholder width="800" height="400" class="bd-placeholder-img-lg d-block w-100" color="#444" background="#666" text="Second slide" >}}
</div>
<div class="carousel-item">
{{< placeholder width="800" height="400" class="bd-placeholder-img-lg d-block w-100" color="#333" background="#555" text="Third slide" >}}
</div>
</div>
<button class="carousel-control-prev" type="button" data-target="#carouselExampleControlsNoTouching" data-slide="prev">
<span class="carousel-control-prev-icon" aria-hidden="true"></span>
<span class="sr-only">Previous</span>
</button>
<button class="carousel-control-next" type="button" data-target="#carouselExampleControlsNoTouching" data-slide="next">
<span class="carousel-control-next-icon" aria-hidden="true"></span>
<span class="sr-only">Next</span>
</button>
</div>
{{< /example >}}
## Usage
### Via data attributes
Use data attributes to easily control the position of the carousel. `data-slide` accepts the keywords `prev` or `next`, which alters the slide position relative to its current position. Alternatively, use `data-slide-to` to pass a raw slide index to the carousel `data-slide-to="2"`, which shifts the slide position to a particular index beginning with `0`.
The `data-ride="carousel"` attribute is used to mark a carousel as animating starting at page load. If you don't use `data-ride="carousel"` to initialize your carousel, you have to initialize it yourself. **It cannot be used in combination with (redundant and unnecessary) explicit JavaScript initialization of the same carousel.**
### Via JavaScript
Call carousel manually with:
```js
$('.carousel').carousel()
```
### Options
Options can be passed via data attributes or JavaScript. For data attributes, append the option name to `data-`, as in `data-interval=""`.
<table class="table table-bordered table-striped">
<thead>
<tr>
<th style="width: 100px;">Name</th>
<th style="width: 50px;">Type</th>
<th style="width: 50px;">Default</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td>interval</td>
<td>number</td>
<td>5000</td>
<td>The amount of time to delay between automatically cycling an item. If <code>false</code>, carousel will not automatically cycle.</td>
</tr>
<tr>
<td>keyboard</td>
<td>boolean</td>
<td>true</td>
<td>Whether the carousel should react to keyboard events.</td>
</tr>
<tr>
<td>pause</td>
<td>string | boolean</td>
<td>'hover'</td>
<td><p>If set to <code>'hover'</code>, pauses the cycling of the carousel on <code>mouseenter</code> and resumes the cycling of the carousel on <code>mouseleave</code>. If set to <code>false</code>, hovering over the carousel won't pause it.</p>
<p>On touch-enabled devices, when set to <code>'hover'</code>, cycling will pause on <code>touchend</code> (once the user finished interacting with the carousel) for two intervals, before automatically resuming. Note that this is in addition to the above mouse behavior.</p></td>
</tr>
<tr>
<td>ride</td>
<td>string</td>
<td>false</td>
<td>Autoplays the carousel after the user manually cycles the first item. If set to <code>'carousel'</code>, autoplays the carousel on load.</td>
</tr>
<tr>
<td>wrap</td>
<td>boolean</td>
<td>true</td>
<td>Whether the carousel should cycle continuously or have hard stops.</td>
</tr>
<tr>
<td>touch</td>
<td>boolean</td>
<td>true</td>
<td>Whether the carousel should support left/right swipe interactions on touchscreen devices.</td>
</tr>
</tbody>
</table>
### Methods
{{< callout danger >}}
{{< partial "callout-danger-async-methods.md" >}}
{{< /callout >}}
#### `.carousel(options)`
Initializes the carousel with an optional options `object` and starts cycling through items.
```js
$('.carousel').carousel({
interval: 2000
})
```
#### `.carousel('cycle')`
Cycles through the carousel items from left to right.
#### `.carousel('pause')`
Stops the carousel from cycling through items.
#### `.carousel(number)`
Cycles the carousel to a particular frame (0 based, similar to an array). **Returns to the caller before the target item has been shown** (i.e. before the `slid.bs.carousel` event occurs).
#### `.carousel('prev')`
Cycles to the previous item. **Returns to the caller before the previous item has been shown** (i.e. before the `slid.bs.carousel` event occurs).
#### `.carousel('next')`
Cycles to the next item. **Returns to the caller before the next item has been shown** (i.e. before the `slid.bs.carousel` event occurs).
#### `.carousel('dispose')`
Destroys an element's carousel.
#### `.carousel('nextWhenVisible')`
Don't cycle the carousel to next when the page isn't visible or the carousel or its parent isn't visible. **Returns to the caller before the next item has been shown** (i.e. before the `slid.bs.carousel` event occurs).
#### `.carousel('to')`
Cycles the carousel to a particular frame (0 based, similar to an array). **Returns to the caller before the next item has been shown** (i.e. before the `slid.bs.carousel` event occurs).
### Events
Bootstrap's carousel class exposes two events for hooking into carousel functionality. Both events have the following additional properties:
- `direction`: The direction in which the carousel is sliding (either `"left"` or `"right"`).
- `relatedTarget`: The DOM element that is being slid into place as the active item.
- `from`: The index of the current item
- `to`: The index of the next item
All carousel events are fired at the carousel itself (i.e. at the `<div class="carousel">`).
<table class="table table-bordered table-striped">
<thead>
<tr>
<th style="width: 150px;">Event Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td>slide.bs.carousel</td>
<td>This event fires immediately when the <code>slide</code> instance method is invoked.</td>
</tr>
<tr>
<td>slid.bs.carousel</td>
<td>This event is fired when the carousel has completed its slide transition.</td>
</tr>
</tbody>
</table>
```js
$('#myCarousel').on('slide.bs.carousel', function () {
// do something...
})
```
### Change transition duration
The transition duration of `.carousel-item` can be changed with the `$carousel-transition` Sass variable before compiling or custom styles if you're using the compiled CSS. If multiple transitions are applied, make sure the transform transition is defined first (eg. `transition: transform 2s ease, opacity .5s ease-out`).

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---
layout: docs
title: Collapse
description: Toggle the visibility of content across your project with a few classes and our JavaScript plugins.
group: components
toc: true
---
## How it works
The collapse JavaScript plugin is used to show and hide content. Buttons or anchors are used as triggers that are mapped to specific elements you toggle. Collapsing an element will animate the `height` from its current value to `0`. Given how CSS handles animations, you cannot use `padding` on a `.collapse` element. Instead, use the class as an independent wrapping element.
{{< callout info >}}
{{< partial "callout-info-prefersreducedmotion.md" >}}
{{< /callout >}}
## Example
Click the buttons below to show and hide another element via class changes:
- `.collapse` hides content
- `.collapsing` is applied during transitions
- `.collapse.show` shows content
Generally, we recommend using a button with the `data-target` attribute. While not recommended from a semantic point of view, you can also use a link with the `href` attribute (and a `role="button"`). In both cases, the `data-toggle="collapse"` is required.
{{< example >}}
<p>
<a class="btn btn-primary" data-toggle="collapse" href="#collapseExample" role="button" aria-expanded="false" aria-controls="collapseExample">
Link with href
</a>
<button class="btn btn-primary" type="button" data-toggle="collapse" data-target="#collapseExample" aria-expanded="false" aria-controls="collapseExample">
Button with data-target
</button>
</p>
<div class="collapse" id="collapseExample">
<div class="card card-body">
Some placeholder content for the collapse component. This panel is hidden by default but revealed when the user activates the relevant trigger.
</div>
</div>
{{< /example >}}
## Horizontal
The collapse plugin also supports horizontal collapsing. Add the `.width` modifier class to transition the `width` instead of `height` and set a `width` on the immediate child element. Feel free to write your own custom Sass, use inline styles, or use our [width utilities]({{< docsref "/utilities/sizing" >}}).
{{< callout info >}}
Please note that while the example below has a `min-height` set to avoid excessive repaints in our docs, this is not explicitly required. **Only the `width` on the child element is required.**
{{< /callout >}}
{{< example >}}
<p>
<button class="btn btn-primary" type="button" data-toggle="collapse" data-target="#collapseWidthExample" aria-expanded="false" aria-controls="collapseWidthExample">
Toggle width collapse
</button>
</p>
<div style="min-height: 120px;">
<div class="collapse width" id="collapseWidthExample">
<div class="card card-body" style="width: 320px;">
This is some placeholder content for a horizontal collapse. It's hidden by default and shown when triggered.
</div>
</div>
</div>
{{< /example >}}
## Multiple targets
A `<button>` or `<a>` can show and hide multiple elements by referencing them with a JQuery selector in its `href` or `data-target` attribute.
Multiple `<button>` or `<a>` can show and hide an element if they each reference it with their `href` or `data-target` attribute
{{< example >}}
<p>
<a class="btn btn-primary" data-toggle="collapse" href="#multiCollapseExample1" role="button" aria-expanded="false" aria-controls="multiCollapseExample1">Toggle first element</a>
<button class="btn btn-primary" type="button" data-toggle="collapse" data-target="#multiCollapseExample2" aria-expanded="false" aria-controls="multiCollapseExample2">Toggle second element</button>
<button class="btn btn-primary" type="button" data-toggle="collapse" data-target=".multi-collapse" aria-expanded="false" aria-controls="multiCollapseExample1 multiCollapseExample2">Toggle both elements</button>
</p>
<div class="row">
<div class="col">
<div class="collapse multi-collapse" id="multiCollapseExample1">
<div class="card card-body">
Some placeholder content for the first collapse component of this multi-collapse example. This panel is hidden by default but revealed when the user activates the relevant trigger.
</div>
</div>
</div>
<div class="col">
<div class="collapse multi-collapse" id="multiCollapseExample2">
<div class="card card-body">
Some placeholder content for the second collapse component of this multi-collapse example. This panel is hidden by default but revealed when the user activates the relevant trigger.
</div>
</div>
</div>
</div>
{{< /example >}}
## Accordion example
Using the [card]({{< docsref "/components/card" >}}) component, you can extend the default collapse behavior to create an accordion. To properly achieve the accordion style, be sure to use `.accordion` as a wrapper.
{{< example >}}
<div class="accordion" id="accordionExample">
<div class="card">
<div class="card-header" id="headingOne">
<h2 class="mb-0">
<button class="btn btn-link btn-block text-left" type="button" data-toggle="collapse" data-target="#collapseOne" aria-expanded="true" aria-controls="collapseOne">
Collapsible Group Item #1
</button>
</h2>
</div>
<div id="collapseOne" class="collapse show" aria-labelledby="headingOne" data-parent="#accordionExample">
<div class="card-body">
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the <code>.show</code> class.
</div>
</div>
</div>
<div class="card">
<div class="card-header" id="headingTwo">
<h2 class="mb-0">
<button class="btn btn-link btn-block text-left collapsed" type="button" data-toggle="collapse" data-target="#collapseTwo" aria-expanded="false" aria-controls="collapseTwo">
Collapsible Group Item #2
</button>
</h2>
</div>
<div id="collapseTwo" class="collapse" aria-labelledby="headingTwo" data-parent="#accordionExample">
<div class="card-body">
Some placeholder content for the second accordion panel. This panel is hidden by default.
</div>
</div>
</div>
<div class="card">
<div class="card-header" id="headingThree">
<h2 class="mb-0">
<button class="btn btn-link btn-block text-left collapsed" type="button" data-toggle="collapse" data-target="#collapseThree" aria-expanded="false" aria-controls="collapseThree">
Collapsible Group Item #3
</button>
</h2>
</div>
<div id="collapseThree" class="collapse" aria-labelledby="headingThree" data-parent="#accordionExample">
<div class="card-body">
And lastly, the placeholder content for the third and final accordion panel. This panel is hidden by default.
</div>
</div>
</div>
</div>
{{< /example >}}
## Accessibility
Be sure to add `aria-expanded` to the control element. This attribute explicitly conveys the current state of the collapsible element tied to the control to screen readers and similar assistive technologies. If the collapsible element is closed by default, the attribute on the control element should have a value of `aria-expanded="false"`. If you've set the collapsible element to be open by default using the `show` class, set `aria-expanded="true"` on the control instead. The plugin will automatically toggle this attribute on the control based on whether or not the collapsible element has been opened or closed (via JavaScript, or because the user triggered another control element also tied to the same collapsible element). If the control element's HTML element is not a button (e.g., an `<a>` or `<div>`), the attribute `role="button"` should be added to the element.
If your control element is targeting a single collapsible element – i.e. the `data-target` attribute is pointing to an `id` selector – you should add the `aria-controls` attribute to the control element, containing the `id` of the collapsible element. Modern screen readers and similar assistive technologies make use of this attribute to provide users with additional shortcuts to navigate directly to the collapsible element itself.
Note that Bootstrap's current implementation does not cover the various keyboard interactions described in the [ARIA Authoring Practices Guide accordion pattern](https://www.w3.org/WAI/ARIA/apg/patterns/accordion/) - you will need to include these yourself with custom JavaScript.
## Usage
The collapse plugin utilizes a few classes to handle the heavy lifting:
- `.collapse` hides the content
- `.collapse.show` shows the content
- `.collapsing` is added when the transition starts, and removed when it finishes
These classes can be found in `_transitions.scss`.
### Via data attributes
Just add `data-toggle="collapse"` and a `data-target` to the element to automatically assign control of one or more collapsible elements. The `data-target` attribute accepts a CSS selector to apply the collapse to. Be sure to add the class `collapse` to the collapsible element. If you'd like it to default open, add the additional class `show`.
To add accordion-like group management to a collapsible area, add the data attribute `data-parent="#selector"`. Refer to the demo to see this in action.
### Via JavaScript
Enable manually with:
```js
$('.collapse').collapse()
```
### Options
Options can be passed via data attributes or JavaScript. For data attributes, append the option name to `data-`, as in `data-parent=""`.
<table class="table table-bordered table-striped">
<thead>
<tr>
<th style="width: 100px;">Name</th>
<th style="width: 50px;">Type</th>
<th style="width: 50px;">Default</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td>parent</td>
<td>selector | jQuery object | DOM element </td>
<td>false</td>
<td>If parent is provided, then all collapsible elements under the specified parent will be closed when this collapsible item is shown. (similar to traditional accordion behavior - this is dependent on the <code>card</code> class). The attribute has to be set on the target collapsible area.</td>
</tr>
<tr>
<td>toggle</td>
<td>boolean</td>
<td>true</td>
<td>Toggles the collapsible element on invocation</td>
</tr>
</tbody>
</table>
### Methods
{{< callout danger >}}
{{< partial "callout-danger-async-methods.md" >}}
{{< /callout >}}
#### `.collapse(options)`
Activates your content as a collapsible element. Accepts an optional options `object`.
```js
$('#myCollapsible').collapse({
toggle: false
})
```
#### `.collapse('toggle')`
Toggles a collapsible element to shown or hidden. **Returns to the caller before the collapsible element has actually been shown or hidden** (i.e. before the `shown.bs.collapse` or `hidden.bs.collapse` event occurs).
#### `.collapse('show')`
Shows a collapsible element. **Returns to the caller before the collapsible element has actually been shown** (i.e. before the `shown.bs.collapse` event occurs).
#### `.collapse('hide')`
Hides a collapsible element. **Returns to the caller before the collapsible element has actually been hidden** (i.e. before the `hidden.bs.collapse` event occurs).
#### `.collapse('dispose')`
Destroys an element's collapse.
### Events
Bootstrap's collapse class exposes a few events for hooking into collapse functionality.
<table class="table table-bordered table-striped">
<thead>
<tr>
<th style="width: 150px;">Event Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td>show.bs.collapse</td>
<td>This event fires immediately when the <code>show</code> instance method is called.</td>
</tr>
<tr>
<td>shown.bs.collapse</td>
<td>This event is fired when a collapse element has been made visible to the user (will wait for CSS transitions to complete).</td>
</tr>
<tr>
<td>hide.bs.collapse</td>
<td>This event is fired immediately when the <code>hide</code> method has been called.</td>
</tr>
<tr>
<td>hidden.bs.collapse</td>
<td>This event is fired when a collapse element has been hidden from the user (will wait for CSS transitions to complete).</td>
</tr>
</tbody>
</table>
```js
$('#myCollapsible').on('hidden.bs.collapse', function () {
// do something...
})
```

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---
layout: docs
title: Dropdowns
description: Toggle contextual overlays for displaying lists of links and more with the Bootstrap dropdown plugin.
group: components
toc: true
---
## Overview
Dropdowns are toggleable, contextual overlays for displaying lists of links and more. They're made interactive with the included Bootstrap dropdown JavaScript plugin. They're toggled by clicking, not by hovering; this is [an intentional design decision](https://markdotto.com/2012/02/27/bootstrap-explained-dropdowns/).
Dropdowns are built on a third party library, [Popper](https://popper.js.org/), which provides dynamic positioning and viewport detection. Be sure to include [popper.min.js]({{< param "cdn.popper" >}}) before Bootstrap's JavaScript or use `bootstrap.bundle.min.js` / `bootstrap.bundle.js` which contains Popper. Popper isn't used to position dropdowns in navbars though as dynamic positioning isn't required.
If you're building our JavaScript from source, it [requires `util.js`]({{< docsref "/getting-started/javascript#util" >}}).
## Accessibility
The [<abbr title="Web Accessibility Initiative">WAI</abbr> <abbr title="Accessible Rich Internet Applications">ARIA</abbr>](https://www.w3.org/TR/wai-aria/) standard defines an actual [`role="menu"` widget](https://www.w3.org/TR/wai-aria/#menu), but this is specific to application-like menus which trigger actions or functions. <abbr title="Accessible Rich Internet Applications">ARIA</abbr> menus can only contain menu items, checkbox menu items, radio button menu items, radio button groups, and sub-menus.
Bootstrap's dropdowns, on the other hand, are designed to be generic and applicable to a variety of situations and markup structures. For instance, it is possible to create dropdowns that contain additional inputs and form controls, such as search fields or login forms. For this reason, Bootstrap does not expect (nor automatically add) any of the `role` and `aria-` attributes required for true <abbr title="Accessible Rich Internet Applications">ARIA</abbr> menus. Authors will have to include these more specific attributes themselves.
However, Bootstrap does add built-in support for most standard keyboard menu interactions, such as the ability to move through individual `.dropdown-item` elements using the cursor keys and close the menu with the <kbd>ESC</kbd> key.
## Examples
Wrap the dropdown's toggle (your button or link) and the dropdown menu within `.dropdown`, or another element that declares `position: relative;`. Dropdowns can be triggered from `<a>` or `<button>` elements to better fit your potential needs.
### Single button
Any single `.btn` can be turned into a dropdown toggle with some markup changes. Here's how you can put them to work with either `<button>` elements:
{{< example >}}
<div class="dropdown">
<button class="btn btn-secondary dropdown-toggle" type="button" data-toggle="dropdown" aria-expanded="false">
Dropdown button
</button>
<div class="dropdown-menu">
<a class="dropdown-item" href="#">Action</a>
<a class="dropdown-item" href="#">Another action</a>
<a class="dropdown-item" href="#">Something else here</a>
</div>
</div>
{{< /example >}}
And with `<a>` elements:
{{< example >}}
<div class="dropdown">
<a class="btn btn-secondary dropdown-toggle" href="#" role="button" data-toggle="dropdown" aria-expanded="false">
Dropdown link
</a>
<div class="dropdown-menu">
<a class="dropdown-item" href="#">Action</a>
<a class="dropdown-item" href="#">Another action</a>
<a class="dropdown-item" href="#">Something else here</a>
</div>
</div>
{{< /example >}}
The best part is you can do this with any button variant, too:
<div class="bd-example">
<div class="btn-group">
<button type="button" class="btn btn-primary dropdown-toggle" data-toggle="dropdown" aria-expanded="false">Primary</button>
<div class="dropdown-menu">
<a class="dropdown-item" href="#">Action</a>
<a class="dropdown-item" href="#">Another action</a>
<a class="dropdown-item" href="#">Something else here</a>
<div class="dropdown-divider"></div>
<a class="dropdown-item" href="#">Separated link</a>
</div>
</div><!-- /btn-group -->
<div class="btn-group">
<button type="button" class="btn btn-secondary dropdown-toggle" data-toggle="dropdown" aria-expanded="false">Secondary</button>
<div class="dropdown-menu">
<a class="dropdown-item" href="#">Action</a>
<a class="dropdown-item" href="#">Another action</a>
<a class="dropdown-item" href="#">Something else here</a>
<div class="dropdown-divider"></div>
<a class="dropdown-item" href="#">Separated link</a>
</div>
</div><!-- /btn-group -->
<div class="btn-group">
<button type="button" class="btn btn-success dropdown-toggle" data-toggle="dropdown" aria-expanded="false">Success</button>
<div class="dropdown-menu">
<a class="dropdown-item" href="#">Action</a>
<a class="dropdown-item" href="#">Another action</a>
<a class="dropdown-item" href="#">Something else here</a>
<div class="dropdown-divider"></div>
<a class="dropdown-item" href="#">Separated link</a>
</div>
</div><!-- /btn-group -->
<div class="btn-group">
<button type="button" class="btn btn-info dropdown-toggle" data-toggle="dropdown" aria-expanded="false">Info</button>
<div class="dropdown-menu">
<a class="dropdown-item" href="#">Action</a>
<a class="dropdown-item" href="#">Another action</a>
<a class="dropdown-item" href="#">Something else here</a>
<div class="dropdown-divider"></div>
<a class="dropdown-item" href="#">Separated link</a>
</div>
</div><!-- /btn-group -->
<div class="btn-group">
<button type="button" class="btn btn-warning dropdown-toggle" data-toggle="dropdown" aria-expanded="false">Warning</button>
<div class="dropdown-menu">
<a class="dropdown-item" href="#">Action</a>
<a class="dropdown-item" href="#">Another action</a>
<a class="dropdown-item" href="#">Something else here</a>
<div class="dropdown-divider"></div>
<a class="dropdown-item" href="#">Separated link</a>
</div>
</div><!-- /btn-group -->
<div class="btn-group">
<button type="button" class="btn btn-danger dropdown-toggle" data-toggle="dropdown" aria-expanded="false">Danger</button>
<div class="dropdown-menu">
<a class="dropdown-item" href="#">Action</a>
<a class="dropdown-item" href="#">Another action</a>
<a class="dropdown-item" href="#">Something else here</a>
<div class="dropdown-divider"></div>
<a class="dropdown-item" href="#">Separated link</a>
</div>
</div><!-- /btn-group -->
</div>
```html
<!-- Example single danger button -->
<div class="btn-group">
<button type="button" class="btn btn-danger dropdown-toggle" data-toggle="dropdown" aria-expanded="false">
Action
</button>
<div class="dropdown-menu">
<a class="dropdown-item" href="#">Action</a>
<a class="dropdown-item" href="#">Another action</a>
<a class="dropdown-item" href="#">Something else here</a>
<div class="dropdown-divider"></div>
<a class="dropdown-item" href="#">Separated link</a>
</div>
</div>
```
### Split button
Similarly, create split button dropdowns with virtually the same markup as single button dropdowns, but with the addition of `.dropdown-toggle-split` for proper spacing around the dropdown caret.
We use this extra class to reduce the horizontal `padding` on either side of the caret by 25% and remove the `margin-left` that's added for regular button dropdowns. Those extra changes keep the caret centered in the split button and provide a more appropriately sized hit area next to the main button.
<div class="bd-example">
<div class="btn-group">
<button type="button" class="btn btn-primary">Primary</button>
<button type="button" class="btn btn-primary dropdown-toggle dropdown-toggle-split" data-toggle="dropdown" aria-expanded="false">
<span class="sr-only">Toggle Dropdown</span>
</button>
<div class="dropdown-menu">
<a class="dropdown-item" href="#">Action</a>
<a class="dropdown-item" href="#">Another action</a>
<a class="dropdown-item" href="#">Something else here</a>
<div class="dropdown-divider"></div>
<a class="dropdown-item" href="#">Separated link</a>
</div>
</div><!-- /btn-group -->
<div class="btn-group">
<button type="button" class="btn btn-secondary">Secondary</button>
<button type="button" class="btn btn-secondary dropdown-toggle dropdown-toggle-split" data-toggle="dropdown" aria-expanded="false">
<span class="sr-only">Toggle Dropdown</span>
</button>
<div class="dropdown-menu">
<a class="dropdown-item" href="#">Action</a>
<a class="dropdown-item" href="#">Another action</a>
<a class="dropdown-item" href="#">Something else here</a>
<div class="dropdown-divider"></div>
<a class="dropdown-item" href="#">Separated link</a>
</div>
</div><!-- /btn-group -->
<div class="btn-group">
<button type="button" class="btn btn-success">Success</button>
<button type="button" class="btn btn-success dropdown-toggle dropdown-toggle-split" data-toggle="dropdown" aria-expanded="false">
<span class="sr-only">Toggle Dropdown</span>
</button>
<div class="dropdown-menu">
<a class="dropdown-item" href="#">Action</a>
<a class="dropdown-item" href="#">Another action</a>
<a class="dropdown-item" href="#">Something else here</a>
<div class="dropdown-divider"></div>
<a class="dropdown-item" href="#">Separated link</a>
</div>
</div><!-- /btn-group -->
<div class="btn-group">
<button type="button" class="btn btn-info">Info</button>
<button type="button" class="btn btn-info dropdown-toggle dropdown-toggle-split" data-toggle="dropdown" aria-expanded="false">
<span class="sr-only">Toggle Dropdown</span>
</button>
<div class="dropdown-menu">
<a class="dropdown-item" href="#">Action</a>
<a class="dropdown-item" href="#">Another action</a>
<a class="dropdown-item" href="#">Something else here</a>
<div class="dropdown-divider"></div>
<a class="dropdown-item" href="#">Separated link</a>
</div>
</div><!-- /btn-group -->
<div class="btn-group">
<button type="button" class="btn btn-warning">Warning</button>
<button type="button" class="btn btn-warning dropdown-toggle dropdown-toggle-split" data-toggle="dropdown" aria-expanded="false">
<span class="sr-only">Toggle Dropdown</span>
</button>
<div class="dropdown-menu">
<a class="dropdown-item" href="#">Action</a>
<a class="dropdown-item" href="#">Another action</a>
<a class="dropdown-item" href="#">Something else here</a>
<div class="dropdown-divider"></div>
<a class="dropdown-item" href="#">Separated link</a>
</div>
</div><!-- /btn-group -->
<div class="btn-group">
<button type="button" class="btn btn-danger">Danger</button>
<button type="button" class="btn btn-danger dropdown-toggle dropdown-toggle-split" data-toggle="dropdown" aria-expanded="false">
<span class="sr-only">Toggle Dropdown</span>
</button>
<div class="dropdown-menu">
<a class="dropdown-item" href="#">Action</a>
<a class="dropdown-item" href="#">Another action</a>
<a class="dropdown-item" href="#">Something else here</a>
<div class="dropdown-divider"></div>
<a class="dropdown-item" href="#">Separated link</a>
</div>
</div><!-- /btn-group -->
</div>
```html
<!-- Example split danger button -->
<div class="btn-group">
<button type="button" class="btn btn-danger">Action</button>
<button type="button" class="btn btn-danger dropdown-toggle dropdown-toggle-split" data-toggle="dropdown" aria-expanded="false">
<span class="sr-only">Toggle Dropdown</span>
</button>
<div class="dropdown-menu">
<a class="dropdown-item" href="#">Action</a>
<a class="dropdown-item" href="#">Another action</a>
<a class="dropdown-item" href="#">Something else here</a>
<div class="dropdown-divider"></div>
<a class="dropdown-item" href="#">Separated link</a>
</div>
</div>
```
## Sizing
Button dropdowns work with buttons of all sizes, including default and split dropdown buttons.
<div class="bd-example">
<div class="btn-group">
<button class="btn btn-secondary btn-lg dropdown-toggle" type="button" data-toggle="dropdown" aria-expanded="false">
Large button
</button>
<div class="dropdown-menu">
<a class="dropdown-item" href="#">Action</a>
<a class="dropdown-item" href="#">Another action</a>
<a class="dropdown-item" href="#">Something else here</a>
<div class="dropdown-divider"></div>
<a class="dropdown-item" href="#">Separated link</a>
</div>
</div>
<div class="btn-group">
<button type="button" class="btn btn-lg btn-secondary">Large split button</button>
<button type="button" class="btn btn-lg btn-secondary dropdown-toggle dropdown-toggle-split" data-toggle="dropdown" aria-expanded="false">
<span class="sr-only">Toggle Dropdown</span>
</button>
<div class="dropdown-menu">
<a class="dropdown-item" href="#">Action</a>
<a class="dropdown-item" href="#">Another action</a>
<a class="dropdown-item" href="#">Something else here</a>
<div class="dropdown-divider"></div>
<a class="dropdown-item" href="#">Separated link</a>
</div>
</div>
</div>
```html
<!-- Large button groups (default and split) -->
<div class="btn-group">
<button class="btn btn-secondary btn-lg dropdown-toggle" type="button" data-toggle="dropdown" aria-expanded="false">
Large button
</button>
<div class="dropdown-menu">
...
</div>
</div>
<div class="btn-group">
<button class="btn btn-secondary btn-lg" type="button">
Large split button
</button>
<button type="button" class="btn btn-lg btn-secondary dropdown-toggle dropdown-toggle-split" data-toggle="dropdown" aria-expanded="false">
<span class="sr-only">Toggle Dropdown</span>
</button>
<div class="dropdown-menu">
...
</div>
</div>
```
<div class="bd-example">
<div class="btn-group">
<button class="btn btn-secondary btn-sm dropdown-toggle" type="button" data-toggle="dropdown" aria-expanded="false">
Small button
</button>
<div class="dropdown-menu">
<a class="dropdown-item" href="#">Action</a>
<a class="dropdown-item" href="#">Another action</a>
<a class="dropdown-item" href="#">Something else here</a>
<div class="dropdown-divider"></div>
<a class="dropdown-item" href="#">Separated link</a>
</div>
</div>
<div class="btn-group">
<button type="button" class="btn btn-sm btn-secondary">Small split button</button>
<button type="button" class="btn btn-sm btn-secondary dropdown-toggle dropdown-toggle-split" data-toggle="dropdown" aria-expanded="false">
<span class="sr-only">Toggle Dropdown</span>
</button>
<div class="dropdown-menu">
<a class="dropdown-item" href="#">Action</a>
<a class="dropdown-item" href="#">Another action</a>
<a class="dropdown-item" href="#">Something else here</a>
<div class="dropdown-divider"></div>
<a class="dropdown-item" href="#">Separated link</a>
</div>
</div>
</div>
```html
<!-- Small button groups (default and split) -->
<div class="btn-group">
<button class="btn btn-secondary btn-sm dropdown-toggle" type="button" data-toggle="dropdown" aria-expanded="false">
Small button
</button>
<div class="dropdown-menu">
...
</div>
</div>
<div class="btn-group">
<button class="btn btn-secondary btn-sm" type="button">
Small split button
</button>
<button type="button" class="btn btn-sm btn-secondary dropdown-toggle dropdown-toggle-split" data-toggle="dropdown" aria-expanded="false">
<span class="sr-only">Toggle Dropdown</span>
</button>
<div class="dropdown-menu">
...
</div>
</div>
```
## Directions
### Dropup
Trigger dropdown menus above elements by adding `.dropup` to the parent element.
<div class="bd-example">
<div class="btn-group dropup">
<button type="button" class="btn btn-secondary dropdown-toggle" data-toggle="dropdown" aria-expanded="false">
Dropup
</button>
<div class="dropdown-menu">
<a class="dropdown-item" href="#">Action</a>
<a class="dropdown-item" href="#">Another action</a>
<a class="dropdown-item" href="#">Something else here</a>
<div class="dropdown-divider"></div>
<a class="dropdown-item" href="#">Separated link</a>
</div>
</div>
<div class="btn-group dropup">
<button type="button" class="btn btn-secondary">
Split dropup
</button>
<button type="button" class="btn btn-secondary dropdown-toggle dropdown-toggle-split" data-toggle="dropdown" aria-expanded="false">
<span class="sr-only">Toggle Dropdown</span>
</button>
<div class="dropdown-menu">
<a class="dropdown-item" href="#">Action</a>
<a class="dropdown-item" href="#">Another action</a>
<a class="dropdown-item" href="#">Something else here</a>
<div class="dropdown-divider"></div>
<a class="dropdown-item" href="#">Separated link</a>
</div>
</div>
</div>
```html
<!-- Default dropup button -->
<div class="btn-group dropup">
<button type="button" class="btn btn-secondary dropdown-toggle" data-toggle="dropdown" aria-expanded="false">
Dropup
</button>
<div class="dropdown-menu">
<!-- Dropdown menu links -->
</div>
</div>
<!-- Split dropup button -->
<div class="btn-group dropup">
<button type="button" class="btn btn-secondary">
Split dropup
</button>
<button type="button" class="btn btn-secondary dropdown-toggle dropdown-toggle-split" data-toggle="dropdown" aria-expanded="false">
<span class="sr-only">Toggle Dropdown</span>
</button>
<div class="dropdown-menu">
<!-- Dropdown menu links -->
</div>
</div>
```
### Dropright
Trigger dropdown menus at the right of the elements by adding `.dropright` to the parent element.
<div class="bd-example">
<div class="btn-group dropright">
<button type="button" class="btn btn-secondary dropdown-toggle" data-toggle="dropdown" aria-expanded="false">
Dropright
</button>
<div class="dropdown-menu">
<a class="dropdown-item" href="#">Action</a>
<a class="dropdown-item" href="#">Another action</a>
<a class="dropdown-item" href="#">Something else here</a>
<div class="dropdown-divider"></div>
<a class="dropdown-item" href="#">Separated link</a>
</div>
</div>
<div class="btn-group dropright">
<button type="button" class="btn btn-secondary">
Split dropright
</button>
<button type="button" class="btn btn-secondary dropdown-toggle dropdown-toggle-split" data-toggle="dropdown" aria-expanded="false">
<span class="sr-only">Toggle Dropright</span>
</button>
<div class="dropdown-menu">
<a class="dropdown-item" href="#">Action</a>
<a class="dropdown-item" href="#">Another action</a>
<a class="dropdown-item" href="#">Something else here</a>
<div class="dropdown-divider"></div>
<a class="dropdown-item" href="#">Separated link</a>
</div>
</div>
</div>
```html
<!-- Default dropright button -->
<div class="btn-group dropright">
<button type="button" class="btn btn-secondary dropdown-toggle" data-toggle="dropdown" aria-expanded="false">
Dropright
</button>
<div class="dropdown-menu">
<!-- Dropdown menu links -->
</div>
</div>
<!-- Split dropright button -->
<div class="btn-group dropright">
<button type="button" class="btn btn-secondary">
Split dropright
</button>
<button type="button" class="btn btn-secondary dropdown-toggle dropdown-toggle-split" data-toggle="dropdown" aria-expanded="false">
<span class="sr-only">Toggle Dropright</span>
</button>
<div class="dropdown-menu">
<!-- Dropdown menu links -->
</div>
</div>
```
### Dropleft
Trigger dropdown menus at the left of the elements by adding `.dropleft` to the parent element.
<div class="bd-example">
<div class="btn-group dropleft">
<button type="button" class="btn btn-secondary dropdown-toggle" data-toggle="dropdown" aria-expanded="false">
Dropleft
</button>
<div class="dropdown-menu">
<a class="dropdown-item" href="#">Action</a>
<a class="dropdown-item" href="#">Another action</a>
<a class="dropdown-item" href="#">Something else here</a>
<div class="dropdown-divider"></div>
<a class="dropdown-item" href="#">Separated link</a>
</div>
</div>
<div class="btn-group">
<div class="btn-group dropleft">
<button type="button" class="btn btn-secondary dropdown-toggle dropdown-toggle-split" data-toggle="dropdown" aria-expanded="false">
<span class="sr-only">Toggle Dropleft</span>
</button>
<div class="dropdown-menu">
<a class="dropdown-item" href="#">Action</a>
<a class="dropdown-item" href="#">Another action</a>
<a class="dropdown-item" href="#">Something else here</a>
<div class="dropdown-divider"></div>
<a class="dropdown-item" href="#">Separated link</a>
</div>
</div>
<button type="button" class="btn btn-secondary">
Split dropleft
</button>
</div>
</div>
```html
<!-- Default dropleft button -->
<div class="btn-group dropleft">
<button type="button" class="btn btn-secondary dropdown-toggle" data-toggle="dropdown" aria-expanded="false">
Dropleft
</button>
<div class="dropdown-menu">
<!-- Dropdown menu links -->
</div>
</div>
<!-- Split dropleft button -->
<div class="btn-group">
<div class="btn-group dropleft">
<button type="button" class="btn btn-secondary dropdown-toggle dropdown-toggle-split" data-toggle="dropdown" aria-expanded="false">
<span class="sr-only">Toggle Dropleft</span>
</button>
<div class="dropdown-menu">
<!-- Dropdown menu links -->
</div>
</div>
<button type="button" class="btn btn-secondary">
Split dropleft
</button>
</div>
```
## Menu items
Historically dropdown menu contents *had* to be links, but that's no longer the case with v4. Now you can optionally use `<button>` elements in your dropdowns instead of just `<a>`s.
{{< example >}}
<div class="dropdown">
<button class="btn btn-secondary dropdown-toggle" type="button" data-toggle="dropdown" aria-expanded="false">
Dropdown
</button>
<div class="dropdown-menu">
<button class="dropdown-item" type="button">Action</button>
<button class="dropdown-item" type="button">Another action</button>
<button class="dropdown-item" type="button">Something else here</button>
</div>
</div>
{{< /example >}}
You can also create non-interactive dropdown items with `.dropdown-item-text`. Feel free to style further with custom CSS or text utilities.
{{< example >}}
<div class="dropdown-menu">
<span class="dropdown-item-text">Dropdown item text</span>
<a class="dropdown-item" href="#">Action</a>
<a class="dropdown-item" href="#">Another action</a>
<a class="dropdown-item" href="#">Something else here</a>
</div>
{{< /example >}}
### Active
Add `.active` to items in the dropdown to **style them as active**.
{{< example >}}
<div class="dropdown-menu">
<a class="dropdown-item" href="#">Regular link</a>
<a class="dropdown-item active" href="#">Active link</a>
<a class="dropdown-item" href="#">Another link</a>
</div>
{{< /example >}}
### Disabled
Add `.disabled` to items in the dropdown to **style them as disabled**.
{{< example >}}
<div class="dropdown-menu">
<a class="dropdown-item" href="#">Regular link</a>
<a class="dropdown-item disabled">Disabled link</a>
<a class="dropdown-item" href="#">Another link</a>
</div>
{{< /example >}}
## Menu alignment
By default, a dropdown menu is automatically positioned 100% from the top and along the left side of its parent. Add `.dropdown-menu-right` to a `.dropdown-menu` to right align the dropdown menu.
{{< callout info >}}
**Heads up!** Dropdowns are positioned thanks to Popper (except when they are contained in a navbar).
{{< /callout >}}
{{< example >}}
<div class="btn-group">
<button type="button" class="btn btn-secondary dropdown-toggle" data-toggle="dropdown" aria-expanded="false">
Right-aligned menu
</button>
<div class="dropdown-menu dropdown-menu-right">
<button class="dropdown-item" type="button">Action</button>
<button class="dropdown-item" type="button">Another action</button>
<button class="dropdown-item" type="button">Something else here</button>
</div>
</div>
{{< /example >}}
### Responsive alignment
If you want to use responsive alignment, disable dynamic positioning by adding the `data-display="static"` attribute and use the responsive variation classes.
To align **right** the dropdown menu with the given breakpoint or larger, add `.dropdown-menu{-sm|-md|-lg|-xl}-right`.
{{< example >}}
<div class="btn-group">
<button type="button" class="btn btn-secondary dropdown-toggle" data-toggle="dropdown" data-display="static" aria-expanded="false">
Left-aligned but right aligned when large screen
</button>
<div class="dropdown-menu dropdown-menu-lg-right">
<button class="dropdown-item" type="button">Action</button>
<button class="dropdown-item" type="button">Another action</button>
<button class="dropdown-item" type="button">Something else here</button>
</div>
</div>
{{< /example >}}
To align **left** the dropdown menu with the given breakpoint or larger, add `.dropdown-menu-right` and `.dropdown-menu{-sm|-md|-lg|-xl}-left`.
{{< example >}}
<div class="btn-group">
<button type="button" class="btn btn-secondary dropdown-toggle" data-toggle="dropdown" data-display="static" aria-expanded="false">
Right-aligned but left aligned when large screen
</button>
<div class="dropdown-menu dropdown-menu-right dropdown-menu-lg-left">
<button class="dropdown-item" type="button">Action</button>
<button class="dropdown-item" type="button">Another action</button>
<button class="dropdown-item" type="button">Something else here</button>
</div>
</div>
{{< /example >}}
Note that you don't need to add a `data-display="static"` attribute to dropdown buttons in navbars, since Popper isn't used in navbars.
## Menu content
### Headers
Add a header to label sections of actions in any dropdown menu.
{{< example >}}
<div class="dropdown-menu">
<h6 class="dropdown-header">Dropdown header</h6>
<a class="dropdown-item" href="#">Action</a>
<a class="dropdown-item" href="#">Another action</a>
</div>
{{< /example >}}
### Dividers
Separate groups of related menu items with a divider.
{{< example >}}
<div class="dropdown-menu">
<a class="dropdown-item" href="#">Action</a>
<a class="dropdown-item" href="#">Another action</a>
<a class="dropdown-item" href="#">Something else here</a>
<div class="dropdown-divider"></div>
<a class="dropdown-item" href="#">Separated link</a>
</div>
{{< /example >}}
### Text
Place any freeform text within a dropdown menu with text and use [spacing utilities]({{< docsref "/utilities/spacing" >}}). Note that you'll likely need additional sizing styles to constrain the menu width.
{{< example >}}
<div class="dropdown-menu p-4 text-muted" style="max-width: 200px;">
<p>
Some example text that's free-flowing within the dropdown menu.
</p>
<p class="mb-0">
And this is more example text.
</p>
</div>
{{< /example >}}
### Forms
Put a form within a dropdown menu, or make it into a dropdown menu, and use [margin or padding utilities]({{< docsref "/utilities/spacing" >}}) to give it the negative space you require.
{{< example >}}
<div class="dropdown-menu">
<form class="px-4 py-3">
<div class="form-group">
<label for="exampleDropdownFormEmail1">Email address</label>
<input type="email" class="form-control" id="exampleDropdownFormEmail1" placeholder="email@example.com">
</div>
<div class="form-group">
<label for="exampleDropdownFormPassword1">Password</label>
<input type="password" class="form-control" id="exampleDropdownFormPassword1" placeholder="Password">
</div>
<div class="form-group">
<div class="form-check">
<input type="checkbox" class="form-check-input" id="dropdownCheck">
<label class="form-check-label" for="dropdownCheck">
Remember me
</label>
</div>
</div>
<button type="submit" class="btn btn-primary">Sign in</button>
</form>
<div class="dropdown-divider"></div>
<a class="dropdown-item" href="#">New around here? Sign up</a>
<a class="dropdown-item" href="#">Forgot password?</a>
</div>
{{< /example >}}
{{< example >}}
<form class="dropdown-menu p-4">
<div class="form-group">
<label for="exampleDropdownFormEmail2">Email address</label>
<input type="email" class="form-control" id="exampleDropdownFormEmail2" placeholder="email@example.com">
</div>
<div class="form-group">
<label for="exampleDropdownFormPassword2">Password</label>
<input type="password" class="form-control" id="exampleDropdownFormPassword2" placeholder="Password">
</div>
<div class="form-group">
<div class="form-check">
<input type="checkbox" class="form-check-input" id="dropdownCheck2">
<label class="form-check-label" for="dropdownCheck2">
Remember me
</label>
</div>
</div>
<button type="submit" class="btn btn-primary">Sign in</button>
</form>
{{< /example >}}
## Dropdown options
Use `data-offset` or `data-reference` to change the location of the dropdown.
{{< example >}}
<div class="d-flex">
<div class="dropdown mr-1">
<button type="button" class="btn btn-secondary dropdown-toggle" data-toggle="dropdown" aria-expanded="false" data-offset="10,20">
Offset
</button>
<div class="dropdown-menu">
<a class="dropdown-item" href="#">Action</a>
<a class="dropdown-item" href="#">Another action</a>
<a class="dropdown-item" href="#">Something else here</a>
</div>
</div>
<div class="btn-group">
<button type="button" class="btn btn-secondary">Reference</button>
<button type="button" class="btn btn-secondary dropdown-toggle dropdown-toggle-split" data-toggle="dropdown" aria-expanded="false" data-reference="parent">
<span class="sr-only">Toggle Dropdown</span>
</button>
<div class="dropdown-menu">
<a class="dropdown-item" href="#">Action</a>
<a class="dropdown-item" href="#">Another action</a>
<a class="dropdown-item" href="#">Something else here</a>
<div class="dropdown-divider"></div>
<a class="dropdown-item" href="#">Separated link</a>
</div>
</div>
</div>
{{< /example >}}
## Usage
Via data attributes or JavaScript, the dropdown plugin toggles hidden content (dropdown menus) by toggling the `.show` class on the parent `.dropdown-menu`. The `data-toggle="dropdown"` attribute is relied on for closing dropdown menus at an application level, so it's a good idea to always use it.
{{< callout info >}}
On touch-enabled devices, opening a dropdown adds empty (`$.noop`) `mouseover` handlers to the immediate children of the `<body>` element. This admittedly ugly hack is necessary to work around a [quirk in iOS' event delegation](https://www.quirksmode.org/blog/archives/2014/02/mouse_event_bub.html), which would otherwise prevent a tap anywhere outside of the dropdown from triggering the code that closes the dropdown. Once the dropdown is closed, these additional empty `mouseover` handlers are removed.
{{< /callout >}}
### Via data attributes
Add `data-toggle="dropdown"` to a link or button to toggle a dropdown.
```html
<div class="dropdown">
<button type="button" data-toggle="dropdown" aria-expanded="false">
Dropdown trigger
</button>
<div class="dropdown-menu">
...
</div>
</div>
```
### Via JavaScript
Call the dropdowns via JavaScript:
```js
$('.dropdown-toggle').dropdown()
```
{{< callout info >}}
##### `data-toggle="dropdown"` still required
Regardless of whether you call your dropdown via JavaScript or instead use the data-api, `data-toggle="dropdown"` is always required to be present on the dropdown's trigger element.
{{< /callout >}}
### Options
Options can be passed via data attributes or JavaScript. For data attributes, append the option name to `data-`, as in `data-offset=""`.
<table class="table table-bordered table-striped">
<thead>
<tr>
<th style="width: 100px;">Name</th>
<th style="width: 100px;">Type</th>
<th style="width: 50px;">Default</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td>offset</td>
<td>number | string | function</td>
<td>0</td>
<td>
<p>Offset of the dropdown relative to its target.</p>
<p>When a function is used to determine the offset, it is called with an object containing the offset data as its first argument. The function must return an object with the same structure. The triggering element DOM node is passed as the second argument.</p>
<p>For more information refer to Popper's <a href="https://popper.js.org/docs/v1/#modifiers..offset.offset">offset docs</a>.</p>
</td>
</tr>
<tr>
<td>flip</td>
<td>boolean</td>
<td>true</td>
<td>Allow Dropdown to flip in case of an overlapping on the reference element. For more information refer to Popper's <a href="https://popper.js.org/docs/v1/#modifiers..flip.enabled">flip docs</a>.</td>
</tr>
<tr>
<td>boundary</td>
<td>string | element</td>
<td>'scrollParent'</td>
<td>Overflow constraint boundary of the dropdown menu. Accepts the values of <code>'viewport'</code>, <code>'window'</code>, <code>'scrollParent'</code>, or an HTMLElement reference (JavaScript only). For more information refer to Popper's <a href="https://popper.js.org/docs/v1/#modifiers..preventOverflow.boundariesElement">preventOverflow docs</a>.</td>
</tr>
<tr>
<td>reference</td>
<td>string | element</td>
<td>'toggle'</td>
<td>Reference element of the dropdown menu. Accepts the values of <code>'toggle'</code>, <code>'parent'</code>, or an HTMLElement reference. For more information refer to Popper's <a href="https://popper.js.org/docs/v1/#referenceObject">referenceObject docs</a>.</td>
</tr>
<tr>
<td>display</td>
<td>string</td>
<td>'dynamic'</td>
<td>By default, we use Popper for dynamic positioning. Disable this with <code>static</code>.</td>
</tr>
<tr>
<td>popperConfig</td>
<td>null | object</td>
<td>null</td>
<td>To change Bootstrap's default Popper config, see <a href="https://popper.js.org/docs/v1/#Popper.Defaults">Popper's configuration</a></td>
</tr>
</tbody>
</table>
Note when `boundary` is set to any value other than `'scrollParent'`, the style `position: static` is applied to the `.dropdown` container.
### Methods
| Method | Description |
| --- | --- |
| `$().dropdown('toggle')` | Toggles the dropdown menu of a given navbar or tabbed navigation. |
| `$().dropdown('show')` | Shows the dropdown menu of a given navbar or tabbed navigation. |
| `$().dropdown('hide')` | Hides the dropdown menu of a given navbar or tabbed navigation. |
| `$().dropdown('update')` | Updates the position of an element's dropdown. |
| `$().dropdown('dispose')` | Destroys an element's dropdown. |
### Events
All dropdown events are fired at the `.dropdown-menu`'s parent element and have a `relatedTarget` property, whose value is the toggling anchor element.
`hide.bs.dropdown` and `hidden.bs.dropdown` events have a `clickEvent` property (only when the original event type is `click`) that contains an Event Object for the click event.
| Event | Description |
| --- | --- |
| `show.bs.dropdown` | This event fires immediately when the show instance method is called. |
| `shown.bs.dropdown` | This event is fired when the dropdown has been made visible to the user (will wait for CSS transitions, to complete). |
| `hide.bs.dropdown` | This event is fired immediately when the hide instance method has been called. |
| `hidden.bs.dropdown`| This event is fired when the dropdown has finished being hidden from the user (will wait for CSS transitions, to complete). |
```js
$('#myDropdown').on('show.bs.dropdown', function () {
// do something...
})
```

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---
layout: docs
title: Input group
description: Easily extend form controls by adding text, buttons, or button groups on either side of textual inputs, custom selects, and custom file inputs.
group: components
toc: true
---
## Basic example
Place one add-on or button on either side of an input. You may also place one on both sides of an input. Remember to place `<label>`s outside the input group.
{{< example >}}
<div class="input-group mb-3">
<div class="input-group-prepend">
<span class="input-group-text" id="basic-addon1">@</span>
</div>
<input type="text" class="form-control" placeholder="Username" aria-label="Username" aria-describedby="basic-addon1">
</div>
<div class="input-group mb-3">
<input type="text" class="form-control" placeholder="Recipient's username" aria-label="Recipient's username" aria-describedby="basic-addon2">
<div class="input-group-append">
<span class="input-group-text" id="basic-addon2">@example.com</span>
</div>
</div>
<label for="basic-url">Your vanity URL</label>
<div class="input-group mb-3">
<div class="input-group-prepend">
<span class="input-group-text" id="basic-addon3">https://example.com/users/</span>
</div>
<input type="text" class="form-control" id="basic-url" aria-describedby="basic-addon3">
</div>
<div class="input-group mb-3">
<div class="input-group-prepend">
<span class="input-group-text">$</span>
</div>
<input type="text" class="form-control" aria-label="Amount (to the nearest dollar)">
<div class="input-group-append">
<span class="input-group-text">.00</span>
</div>
</div>
<div class="input-group">
<div class="input-group-prepend">
<span class="input-group-text">With textarea</span>
</div>
<textarea class="form-control" aria-label="With textarea"></textarea>
</div>
{{< /example >}}
## Wrapping
Input groups wrap by default via `flex-wrap: wrap` in order to accommodate custom form field validation within an input group. You may disable this with `.flex-nowrap`.
{{< example >}}
<div class="input-group flex-nowrap">
<div class="input-group-prepend">
<span class="input-group-text" id="addon-wrapping">@</span>
</div>
<input type="text" class="form-control" placeholder="Username" aria-label="Username" aria-describedby="addon-wrapping">
</div>
{{< /example >}}
## Sizing
Add the relative form sizing classes to the `.input-group` itself and contents within will automatically resize—no need for repeating the form control size classes on each element.
**Sizing on the individual input group elements isn't supported.**
{{< example >}}
<div class="input-group input-group-sm mb-3">
<div class="input-group-prepend">
<span class="input-group-text" id="inputGroup-sizing-sm">Small</span>
</div>
<input type="text" class="form-control" aria-label="Sizing example input" aria-describedby="inputGroup-sizing-sm">
</div>
<div class="input-group mb-3">
<div class="input-group-prepend">
<span class="input-group-text" id="inputGroup-sizing-default">Default</span>
</div>
<input type="text" class="form-control" aria-label="Sizing example input" aria-describedby="inputGroup-sizing-default">
</div>
<div class="input-group input-group-lg">
<div class="input-group-prepend">
<span class="input-group-text" id="inputGroup-sizing-lg">Large</span>
</div>
<input type="text" class="form-control" aria-label="Sizing example input" aria-describedby="inputGroup-sizing-lg">
</div>
{{< /example >}}
## Checkboxes and radios
Place any checkbox or radio option within an input group's addon instead of text.
{{< example >}}
<div class="input-group mb-3">
<div class="input-group-prepend">
<div class="input-group-text">
<input type="checkbox" aria-label="Checkbox for following text input">
</div>
</div>
<input type="text" class="form-control" aria-label="Text input with checkbox">
</div>
<div class="input-group">
<div class="input-group-prepend">
<div class="input-group-text">
<input type="radio" aria-label="Radio button for following text input">
</div>
</div>
<input type="text" class="form-control" aria-label="Text input with radio button">
</div>
{{< /example >}}
## Multiple inputs
While multiple `<input>`s are supported visually, validation styles are only available for input groups with a single `<input>`.
{{< example >}}
<div class="input-group">
<div class="input-group-prepend">
<span class="input-group-text">First and last name</span>
</div>
<input type="text" aria-label="First name" class="form-control">
<input type="text" aria-label="Last name" class="form-control">
</div>
{{< /example >}}
## Multiple addons
Multiple add-ons are supported and can be mixed with checkbox and radio input versions.
{{< example >}}
<div class="input-group mb-3">
<div class="input-group-prepend">
<span class="input-group-text">$</span>
<span class="input-group-text">0.00</span>
</div>
<input type="text" class="form-control" aria-label="Dollar amount (with dot and two decimal places)">
</div>
<div class="input-group">
<input type="text" class="form-control" aria-label="Dollar amount (with dot and two decimal places)">
<div class="input-group-append">
<span class="input-group-text">$</span>
<span class="input-group-text">0.00</span>
</div>
</div>
{{< /example >}}
## Button addons
{{< example >}}
<div class="input-group mb-3">
<div class="input-group-prepend">
<button class="btn btn-outline-secondary" type="button" id="button-addon1">Button</button>
</div>
<input type="text" class="form-control" placeholder="" aria-label="Example text with button addon" aria-describedby="button-addon1">
</div>
<div class="input-group mb-3">
<input type="text" class="form-control" placeholder="Recipient's username" aria-label="Recipient's username" aria-describedby="button-addon2">
<div class="input-group-append">
<button class="btn btn-outline-secondary" type="button" id="button-addon2">Button</button>
</div>
</div>
<div class="input-group mb-3">
<div class="input-group-prepend" id="button-addon3">
<button class="btn btn-outline-secondary" type="button">Button</button>
<button class="btn btn-outline-secondary" type="button">Button</button>
</div>
<input type="text" class="form-control" placeholder="" aria-label="Example text with two button addons" aria-describedby="button-addon3">
</div>
<div class="input-group">
<input type="text" class="form-control" placeholder="Recipient's username" aria-label="Recipient's username with two button addons" aria-describedby="button-addon4">
<div class="input-group-append" id="button-addon4">
<button class="btn btn-outline-secondary" type="button">Button</button>
<button class="btn btn-outline-secondary" type="button">Button</button>
</div>
</div>
{{< /example >}}
## Buttons with dropdowns
{{< example >}}
<div class="input-group mb-3">
<div class="input-group-prepend">
<button class="btn btn-outline-secondary dropdown-toggle" type="button" data-toggle="dropdown" aria-expanded="false">Dropdown</button>
<div class="dropdown-menu">
<a class="dropdown-item" href="#">Action</a>
<a class="dropdown-item" href="#">Another action</a>
<a class="dropdown-item" href="#">Something else here</a>
<div role="separator" class="dropdown-divider"></div>
<a class="dropdown-item" href="#">Separated link</a>
</div>
</div>
<input type="text" class="form-control" aria-label="Text input with dropdown button">
</div>
<div class="input-group">
<input type="text" class="form-control" aria-label="Text input with dropdown button">
<div class="input-group-append">
<button class="btn btn-outline-secondary dropdown-toggle" type="button" data-toggle="dropdown" aria-expanded="false">Dropdown</button>
<div class="dropdown-menu">
<a class="dropdown-item" href="#">Action</a>
<a class="dropdown-item" href="#">Another action</a>
<a class="dropdown-item" href="#">Something else here</a>
<div role="separator" class="dropdown-divider"></div>
<a class="dropdown-item" href="#">Separated link</a>
</div>
</div>
</div>
{{< /example >}}
## Segmented buttons
{{< example >}}
<div class="input-group mb-3">
<div class="input-group-prepend">
<button type="button" class="btn btn-outline-secondary">Action</button>
<button type="button" class="btn btn-outline-secondary dropdown-toggle dropdown-toggle-split" data-toggle="dropdown" aria-expanded="false">
<span class="sr-only">Toggle Dropdown</span>
</button>
<div class="dropdown-menu">
<a class="dropdown-item" href="#">Action</a>
<a class="dropdown-item" href="#">Another action</a>
<a class="dropdown-item" href="#">Something else here</a>
<div role="separator" class="dropdown-divider"></div>
<a class="dropdown-item" href="#">Separated link</a>
</div>
</div>
<input type="text" class="form-control" aria-label="Text input with segmented dropdown button">
</div>
<div class="input-group">
<input type="text" class="form-control" aria-label="Text input with segmented dropdown button">
<div class="input-group-append">
<button type="button" class="btn btn-outline-secondary">Action</button>
<button type="button" class="btn btn-outline-secondary dropdown-toggle dropdown-toggle-split" data-toggle="dropdown" aria-expanded="false">
<span class="sr-only">Toggle Dropdown</span>
</button>
<div class="dropdown-menu">
<a class="dropdown-item" href="#">Action</a>
<a class="dropdown-item" href="#">Another action</a>
<a class="dropdown-item" href="#">Something else here</a>
<div role="separator" class="dropdown-divider"></div>
<a class="dropdown-item" href="#">Separated link</a>
</div>
</div>
</div>
{{< /example >}}
## Custom forms
Input groups include support for custom selects and custom file inputs. Browser default versions of these are not supported.
### Custom select
{{< example >}}
<div class="input-group mb-3">
<div class="input-group-prepend">
<label class="input-group-text" for="inputGroupSelect01">Options</label>
</div>
<select class="custom-select" id="inputGroupSelect01">
<option selected>Choose...</option>
<option value="1">One</option>
<option value="2">Two</option>
<option value="3">Three</option>
</select>
</div>
<div class="input-group mb-3">
<select class="custom-select" id="inputGroupSelect02">
<option selected>Choose...</option>
<option value="1">One</option>
<option value="2">Two</option>
<option value="3">Three</option>
</select>
<div class="input-group-append">
<label class="input-group-text" for="inputGroupSelect02">Options</label>
</div>
</div>
<div class="input-group mb-3">
<div class="input-group-prepend">
<button class="btn btn-outline-secondary" type="button">Button</button>
</div>
<select class="custom-select" id="inputGroupSelect03" aria-label="Example select with button addon">
<option selected>Choose...</option>
<option value="1">One</option>
<option value="2">Two</option>
<option value="3">Three</option>
</select>
</div>
<div class="input-group">
<select class="custom-select" id="inputGroupSelect04" aria-label="Example select with button addon">
<option selected>Choose...</option>
<option value="1">One</option>
<option value="2">Two</option>
<option value="3">Three</option>
</select>
<div class="input-group-append">
<button class="btn btn-outline-secondary" type="button">Button</button>
</div>
</div>
{{< /example >}}
### Custom file input
{{< callout info >}}
This example uses the [custom file browser]({{< docsref "/components/forms#file-browser" >}}) component, which relies on the separate [bs-custom-file-input](https://www.npmjs.com/package/bs-custom-file-input) plugin.
{{< /callout >}}
{{< example >}}
<div class="input-group mb-3">
<div class="input-group-prepend">
<span class="input-group-text" id="inputGroupFileAddon01">Upload</span>
</div>
<div class="custom-file">
<input type="file" class="custom-file-input" id="inputGroupFile01" aria-describedby="inputGroupFileAddon01">
<label class="custom-file-label" for="inputGroupFile01">Choose file</label>
</div>
</div>
<div class="input-group mb-3">
<div class="custom-file">
<input type="file" class="custom-file-input" id="inputGroupFile02">
<label class="custom-file-label" for="inputGroupFile02" aria-describedby="inputGroupFileAddon02">Choose file</label>
</div>
<div class="input-group-append">
<span class="input-group-text" id="inputGroupFileAddon02">Upload</span>
</div>
</div>
<div class="input-group mb-3">
<div class="input-group-prepend">
<button class="btn btn-outline-secondary" type="button" id="inputGroupFileAddon03">Button</button>
</div>
<div class="custom-file">
<input type="file" class="custom-file-input" id="inputGroupFile03" aria-describedby="inputGroupFileAddon03">
<label class="custom-file-label" for="inputGroupFile03">Choose file</label>
</div>
</div>
<div class="input-group">
<div class="custom-file">
<input type="file" class="custom-file-input" id="inputGroupFile04" aria-describedby="inputGroupFileAddon04">
<label class="custom-file-label" for="inputGroupFile04">Choose file</label>
</div>
<div class="input-group-append">
<button class="btn btn-outline-secondary" type="button" id="inputGroupFileAddon04">Button</button>
</div>
</div>
{{< /example >}}
## Accessibility
Ensure that all form controls have an appropriate accessible name so that their purpose can be conveyed to users of assistive technologies. The simplest way to achieve this is to use a `<label>` element, or—in the case of buttons—to include sufficiently descriptive text as part of the `<button>...</button>` content.
For situations where it's not possible to include a visible `<label>` or appropriate text content, there are alternative ways of still providing an accessible name, such as:
- `<label>` elements hidden using the `.sr-only` class
- Pointing to an existing element that can act as a label using `aria-labelledby`
- Providing a `title` attribute
- Explicitly setting the accessible name on an element using `aria-label`
If none of these are present, assistive technologies may resort to using the `placeholder` attribute as a fallback for the accessible name on `<input>` and `<textarea>` elements. The examples in this section provide a few suggested, case-specific approaches.
While using visually hidden content (`.sr-only`, `aria-label`, and even `placeholder` content, which disappears once a form field has content) will benefit assistive technology users, a lack of visible label text may still be problematic for certain users. Some form of visible label is generally the best approach, both for accessibility and usability.

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---
layout: docs
title: Jumbotron
description: Lightweight, flexible component for showcasing hero unit style content.
group: components
---
A lightweight, flexible component that can optionally extend the entire viewport to showcase key marketing messages on your site.
{{< example >}}
<div class="jumbotron">
<h1 class="display-4">Hello, world!</h1>
<p class="lead">This is a simple hero unit, a simple jumbotron-style component for calling extra attention to featured content or information.</p>
<hr class="my-4">
<p>It uses utility classes for typography and spacing to space content out within the larger container.</p>
<a class="btn btn-primary btn-lg" href="#" role="button">Learn more</a>
</div>
{{< /example >}}
To make the jumbotron full width, and without rounded corners, add the `.jumbotron-fluid` modifier class and add a `.container` or `.container-fluid` within.
{{< example >}}
<div class="jumbotron jumbotron-fluid">
<div class="container">
<h1 class="display-4">Fluid jumbotron</h1>
<p class="lead">This is a modified jumbotron that occupies the entire horizontal space of its parent.</p>
</div>
</div>
{{< /example >}}

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---
layout: docs
title: List group
description: List groups are a flexible and powerful component for displaying a series of content. Modify and extend them to support just about any content within.
group: components
toc: true
---
## Basic example
The most basic list group is an unordered list with list items and the proper classes. Build upon it with the options that follow, or with your own CSS as needed.
{{< example >}}
<ul class="list-group">
<li class="list-group-item">An item</li>
<li class="list-group-item">A second item</li>
<li class="list-group-item">A third item</li>
<li class="list-group-item">A fourth item</li>
<li class="list-group-item">And a fifth one</li>
</ul>
{{< /example >}}
## Active items
Add `.active` to a `.list-group-item` to indicate the current active selection.
{{< example >}}
<ul class="list-group">
<li class="list-group-item active" aria-current="true">An active item</li>
<li class="list-group-item">A second item</li>
<li class="list-group-item">A third item</li>
<li class="list-group-item">A fourth item</li>
<li class="list-group-item">And a fifth one</li>
</ul>
{{< /example >}}
## Disabled items
Add `.disabled` to a `.list-group-item` to make it _appear_ disabled. Note that some elements with `.disabled` will also require custom JavaScript to fully disable their click events (e.g., links).
{{< example >}}
<ul class="list-group">
<li class="list-group-item disabled" aria-disabled="true">A disabled item</li>
<li class="list-group-item">A second item</li>
<li class="list-group-item">A third item</li>
<li class="list-group-item">A fourth item</li>
<li class="list-group-item">And a fifth one</li>
</ul>
{{< /example >}}
## Links and buttons
Use `<a>`s or `<button>`s to create _actionable_ list group items with hover, disabled, and active states by adding `.list-group-item-action`. We separate these pseudo-classes to ensure list groups made of non-interactive elements (like `<li>`s or `<div>`s) don't provide a click or tap affordance.
Be sure to **not use the standard `.btn` classes here**.
{{< example >}}
<div class="list-group">
<a href="#" class="list-group-item list-group-item-action active" aria-current="true">
The current link item
</a>
<a href="#" class="list-group-item list-group-item-action">A second link item</a>
<a href="#" class="list-group-item list-group-item-action">A third link item</a>
<a href="#" class="list-group-item list-group-item-action">A fourth link item</a>
<a class="list-group-item list-group-item-action disabled">A disabled link item</a>
</div>
{{< /example >}}
With `<button>`s, you can also make use of the `disabled` attribute instead of the `.disabled` class. Sadly, `<a>`s don't support the disabled attribute.
{{< example >}}
<div class="list-group">
<button type="button" class="list-group-item list-group-item-action active" aria-current="true">
The current button
</button>
<button type="button" class="list-group-item list-group-item-action">A second item</button>
<button type="button" class="list-group-item list-group-item-action">A third button item</button>
<button type="button" class="list-group-item list-group-item-action">A fourth button item</button>
<button type="button" class="list-group-item list-group-item-action" disabled>A disabled button item</button>
</div>
{{< /example >}}
## Flush
Add `.list-group-flush` to remove some borders and rounded corners to render list group items edge-to-edge in a parent container (e.g., cards).
{{< example >}}
<ul class="list-group list-group-flush">
<li class="list-group-item">An item</li>
<li class="list-group-item">A second item</li>
<li class="list-group-item">A third item</li>
<li class="list-group-item">A fourth item</li>
<li class="list-group-item">And a fifth one</li>
</ul>
{{< /example >}}
## Horizontal
Add `.list-group-horizontal` to change the layout of list group items from vertical to horizontal across all breakpoints. Alternatively, choose a responsive variant `.list-group-horizontal-{sm|md|lg|xl}` to make a list group horizontal starting at that breakpoint's `min-width`. Currently **horizontal list groups cannot be combined with flush list groups.**
**ProTip:** Want equal-width list group items when horizontal? Add `.flex-fill` to each list group item.
{{< example >}}
{{< list-group.inline >}}
{{- range $.Site.Data.breakpoints }}
<ul class="list-group list-group-horizontal{{ .abbr }}">
<li class="list-group-item">An item</li>
<li class="list-group-item">A second item</li>
<li class="list-group-item">A third item</li>
</ul>
{{- end -}}
{{< /list-group.inline >}}
{{< /example >}}
## Contextual classes
Use contextual classes to style list items with a stateful background and color.
{{< example >}}
<ul class="list-group">
<li class="list-group-item">A simple default list group item</li>
{{< list.inline >}}
{{- range (index $.Site.Data "theme-colors") }}
<li class="list-group-item list-group-item-{{ .name }}">A simple {{ .name }} list group item</li>
{{- end -}}
{{< /list.inline >}}
</ul>
{{< /example >}}
Contextual classes also work with `.list-group-item-action`. Note the addition of the hover styles here not present in the previous example. Also supported is the `.active` state; apply it to indicate an active selection on a contextual list group item.
{{< example >}}
<div class="list-group">
<a href="#" class="list-group-item list-group-item-action">A simple default list group item</a>
{{< list.inline >}}
{{- range (index $.Site.Data "theme-colors") }}
<a href="#" class="list-group-item list-group-item-action list-group-item-{{ .name }}">A simple {{ .name }} list group item</a>
{{- end -}}
{{< /list.inline >}}
</div>
{{< /example >}}
{{< callout warning >}}
{{< partial "callout-warning-color-assistive-technologies.md" >}}
{{< /callout >}}
## With badges
Add badges to any list group item to show unread counts, activity, and more with the help of some [utilities]({{< docsref "/utilities/flex" >}}).
{{< example >}}
<ul class="list-group">
<li class="list-group-item d-flex justify-content-between align-items-center">
A list item
<span class="badge badge-primary badge-pill">14</span>
</li>
<li class="list-group-item d-flex justify-content-between align-items-center">
A second list item
<span class="badge badge-primary badge-pill">2</span>
</li>
<li class="list-group-item d-flex justify-content-between align-items-center">
A third list item
<span class="badge badge-primary badge-pill">1</span>
</li>
</ul>
{{< /example >}}
## Custom content
Add nearly any HTML within, even for linked list groups like the one below, with the help of [flexbox utilities]({{< docsref "/utilities/flex" >}}).
{{< example >}}
<div class="list-group">
<a href="#" class="list-group-item list-group-item-action active">
<div class="d-flex w-100 justify-content-between">
<h5 class="mb-1">List group item heading</h5>
<small>3 days ago</small>
</div>
<p class="mb-1">Some placeholder content in a paragraph.</p>
<small>And some small print.</small>
</a>
<a href="#" class="list-group-item list-group-item-action">
<div class="d-flex w-100 justify-content-between">
<h5 class="mb-1">List group item heading</h5>
<small class="text-muted">3 days ago</small>
</div>
<p class="mb-1">Some placeholder content in a paragraph.</p>
<small class="text-muted">And some muted small print.</small>
</a>
<a href="#" class="list-group-item list-group-item-action">
<div class="d-flex w-100 justify-content-between">
<h5 class="mb-1">List group item heading</h5>
<small class="text-muted">3 days ago</small>
</div>
<p class="mb-1">Some placeholder content in a paragraph.</p>
<small class="text-muted">And some muted small print.</small>
</a>
</div>
{{< /example >}}
## JavaScript behavior
Use the tab JavaScript plugin—include it individually or through the compiled `bootstrap.js` file—to extend our list group to create tabbable panes of local content.
<div class="bd-example" role="tabpanel">
<div class="row">
<div class="col-4">
<div class="list-group" id="list-tab" role="tablist">
<a class="list-group-item list-group-item-action active" id="list-home-list" data-toggle="tab" href="#list-home" role="tab" aria-controls="list-home">Home</a>
<a class="list-group-item list-group-item-action" id="list-profile-list" data-toggle="tab" href="#list-profile" role="tab" aria-controls="list-profile">Profile</a>
<a class="list-group-item list-group-item-action" id="list-messages-list" data-toggle="tab" href="#list-messages" role="tab" aria-controls="list-messages">Messages</a>
<a class="list-group-item list-group-item-action" id="list-settings-list" data-toggle="tab" href="#list-settings" role="tab" aria-controls="list-settings">Settings</a>
</div>
</div>
<div class="col-8">
<div class="tab-content" id="nav-tabContent">
<div class="tab-pane fade show active" id="list-home" role="tabpanel" aria-labelledby="list-home-list">
<p>Some placeholder content in a paragraph relating to "Home". And some more content, used here just to pad out and fill this tab panel. In production, you would obviously have more real content here. And not just text. It could be anything, really. Text, images, forms.</p>
</div>
<div class="tab-pane fade" id="list-profile" role="tabpanel" aria-labelledby="list-profile-list">
<p>Some placeholder content in a paragraph relating to "Profile". And some more content, used here just to pad out and fill this tab panel. In production, you would obviously have more real content here. And not just text. It could be anything, really. Text, images, forms.</p>
</div>
<div class="tab-pane fade" id="list-messages" role="tabpanel" aria-labelledby="list-messages-list">
<p>Some placeholder content in a paragraph relating to "Messages". And some more content, used here just to pad out and fill this tab panel. In production, you would obviously have more real content here. And not just text. It could be anything, really. Text, images, forms.</p>
</div>
<div class="tab-pane fade" id="list-settings" role="tabpanel" aria-labelledby="list-settings-list">
<p>Some placeholder content in a paragraph relating to "Settings". And some more content, used here just to pad out and fill this tab panel. In production, you would obviously have more real content here. And not just text. It could be anything, really. Text, images, forms.</p>
</div>
</div>
</div>
</div>
</div>
```html
<div class="row">
<div class="col-4">
<div class="list-group" id="list-tab" role="tablist">
<a class="list-group-item list-group-item-action active" id="list-home-list" data-toggle="list" href="#list-home" role="tab" aria-controls="home">Home</a>
<a class="list-group-item list-group-item-action" id="list-profile-list" data-toggle="list" href="#list-profile" role="tab" aria-controls="profile">Profile</a>
<a class="list-group-item list-group-item-action" id="list-messages-list" data-toggle="list" href="#list-messages" role="tab" aria-controls="messages">Messages</a>
<a class="list-group-item list-group-item-action" id="list-settings-list" data-toggle="list" href="#list-settings" role="tab" aria-controls="settings">Settings</a>
</div>
</div>
<div class="col-8">
<div class="tab-content" id="nav-tabContent">
<div class="tab-pane fade show active" id="list-home" role="tabpanel" aria-labelledby="list-home-list">...</div>
<div class="tab-pane fade" id="list-profile" role="tabpanel" aria-labelledby="list-profile-list">...</div>
<div class="tab-pane fade" id="list-messages" role="tabpanel" aria-labelledby="list-messages-list">...</div>
<div class="tab-pane fade" id="list-settings" role="tabpanel" aria-labelledby="list-settings-list">...</div>
</div>
</div>
</div>
```
### Using data attributes
You can activate a list group navigation without writing any JavaScript by simply specifying `data-toggle="list"` or on an element. Use these data attributes on `.list-group-item`.
```html
<div role="tabpanel">
<!-- List group -->
<div class="list-group" id="myList" role="tablist">
<a class="list-group-item list-group-item-action active" data-toggle="list" href="#home" role="tab">Home</a>
<a class="list-group-item list-group-item-action" data-toggle="list" href="#profile" role="tab">Profile</a>
<a class="list-group-item list-group-item-action" data-toggle="list" href="#messages" role="tab">Messages</a>
<a class="list-group-item list-group-item-action" data-toggle="list" href="#settings" role="tab">Settings</a>
</div>
<!-- Tab panes -->
<div class="tab-content">
<div class="tab-pane active" id="home" role="tabpanel">...</div>
<div class="tab-pane" id="profile" role="tabpanel">...</div>
<div class="tab-pane" id="messages" role="tabpanel">...</div>
<div class="tab-pane" id="settings" role="tabpanel">...</div>
</div>
</div>
```
### Via JavaScript
Enable tabbable list item via JavaScript (each list item needs to be activated individually):
```js
$('#myList a').on('click', function (event) {
event.preventDefault()
$(this).tab('show')
})
```
You can activate individual list item in several ways:
```js
$('#myList a[href="#profile"]').tab('show') // Select tab by name
$('#myList a:first-child').tab('show') // Select first tab
$('#myList a:last-child').tab('show') // Select last tab
$('#myList a:nth-child(3)').tab('show') // Select third tab
```
### Fade effect
To make tabs panel fade in, add `.fade` to each `.tab-pane`. The first tab pane must also have `.show` to make the initial content visible.
```html
<div class="tab-content">
<div class="tab-pane fade show active" id="home" role="tabpanel">...</div>
<div class="tab-pane fade" id="profile" role="tabpanel">...</div>
<div class="tab-pane fade" id="messages" role="tabpanel">...</div>
<div class="tab-pane fade" id="settings" role="tabpanel">...</div>
</div>
```
### Methods
#### $().tab
Activates a list item element and content container. Tab should have either a `data-target` or an `href` targeting a container node in the DOM.
```html
<div class="list-group" id="myList" role="tablist">
<a class="list-group-item list-group-item-action active" data-toggle="list" href="#home" role="tab">Home</a>
<a class="list-group-item list-group-item-action" data-toggle="list" href="#profile" role="tab">Profile</a>
<a class="list-group-item list-group-item-action" data-toggle="list" href="#messages" role="tab">Messages</a>
<a class="list-group-item list-group-item-action" data-toggle="list" href="#settings" role="tab">Settings</a>
</div>
<div class="tab-content">
<div class="tab-pane active" id="home" role="tabpanel">...</div>
<div class="tab-pane" id="profile" role="tabpanel">...</div>
<div class="tab-pane" id="messages" role="tabpanel">...</div>
<div class="tab-pane" id="settings" role="tabpanel">...</div>
</div>
<script>
$(function () {
$('#myList a:last-child').tab('show')
})
</script>
```
#### .tab('show')
Selects the given list item and shows its associated pane. Any other list item that was previously selected becomes unselected and its associated pane is hidden. **Returns to the caller before the tab pane has actually been shown** (for example, before the `shown.bs.tab` event occurs).
```js
$('#someListItem').tab('show')
```
### Events
When showing a new tab, the events fire in the following order:
1. `hide.bs.tab` (on the current active tab)
2. `show.bs.tab` (on the to-be-shown tab)
3. `hidden.bs.tab` (on the previous active tab, the same one as for the `hide.bs.tab` event)
4. `shown.bs.tab` (on the newly-active just-shown tab, the same one as for the `show.bs.tab` event)
If no tab was already active, the `hide.bs.tab` and `hidden.bs.tab` events will not be fired.
<table class="table table-bordered table-striped">
<thead>
<tr>
<th style="width: 150px;">Event type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td>show.bs.tab</td>
<td>This event fires on tab show, but before the new tab has been shown. Use <code>event.target</code> and <code>event.relatedTarget</code> to target the active tab and the previous active tab (if available) respectively.</td>
</tr>
<tr>
<td>shown.bs.tab</td>
<td>This event fires on tab show after a tab has been shown. Use <code>event.target</code> and <code>event.relatedTarget</code> to target the active tab and the previous active tab (if available) respectively.</td>
</tr>
<tr>
<td>hide.bs.tab</td>
<td>This event fires when a new tab is to be shown (and thus the previous active tab is to be hidden). Use <code>event.target</code> and <code>event.relatedTarget</code> to target the current active tab and the new soon-to-be-active tab, respectively.</td>
</tr>
<tr>
<td>hidden.bs.tab</td>
<td>This event fires after a new tab is shown (and thus the previous active tab is hidden). Use <code>event.target</code> and <code>event.relatedTarget</code> to target the previous active tab and the new active tab, respectively.</td>
</tr>
</tbody>
</table>
```js
$('a[data-toggle="list"]').on('shown.bs.tab', function (event) {
event.target // newly activated tab
event.relatedTarget // previous active tab
})
```

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---
layout: docs
title: Media object
description: Documentation and examples for Bootstrap's media object to construct highly repetitive components like blog comments, tweets, and the like.
group: components
toc: true
---
## Example
The [media object](http://www.stubbornella.org/content/2010/06/25/the-media-object-saves-hundreds-of-lines-of-code/) helps build complex and repetitive components where some media is positioned alongside content that doesn't wrap around said media. Plus, it does this with only two required classes thanks to flexbox.
Below is an example of a single media object. Only two classes are required—the wrapping `.media` and the `.media-body` around your content. Optional padding and margin can be controlled through [spacing utilities]({{< docsref "/utilities/spacing" >}}).
{{< example >}}
<div class="media">
{{< placeholder width="64" height="64" class="mr-3" >}}
<div class="media-body">
<h5 class="mt-0">Media heading</h5>
<p>Will you do the same for me? It's time to face the music I'm no longer your muse. Heard it's beautiful, be the judge and my girls gonna take a vote. I can feel a phoenix inside of me. Heaven is jealous of our love, angels are crying from up above. Yeah, you take me to utopia.</p>
</div>
</div>
{{< /example >}}
{{< callout warning >}}
##### Flexbug #12: Inline elements aren't treated as flex items
Internet Explorer 10-11 do not render inline elements like links or images (or `::before` and `::after` pseudo-elements) as flex items. The only workaround is to set a non-inline `display` value (e.g., `block`, `inline-block`, or `flex`). We suggest using `.d-flex`, one of our [display utilities]({{< docsref "/utilities/display" >}}), as an easy fix.
**Source:** [Flexbugs on GitHub](https://github.com/philipwalton/flexbugs#flexbug-12)
{{< /callout >}}
## Nesting
Media objects can be infinitely nested, though we suggest you stop at some point. Place nested `.media` within the `.media-body` of a parent media object.
{{< example >}}
<div class="media">
{{< placeholder width="64" height="64" class="mr-3" >}}
<div class="media-body">
<h5 class="mt-0">Media heading</h5>
<p>Standing on the frontline when the bombs start to fall. Heaven is jealous of our love, angels are crying from up above. Can't replace you with a million rings. Boy, when you're with me I'll give you a taste. There’s no going back. Before you met me I was alright but things were kinda heavy. Heavy is the head that wears the crown.</p>
<div class="media mt-3">
<a class="mr-3" href="#">
{{< placeholder width="64" height="64" >}}
</a>
<div class="media-body">
<h5 class="mt-0">Media heading</h5>
<p>Greetings loved ones let's take a journey. Yes, we make angels cry, raining down on earth from up above. Give you something good to celebrate. I used to bite my tongue and hold my breath. I'm ma get your heart racing in my skin-tight jeans. As I march alone to a different beat. Summer after high school when we first met. You're so hypnotizing, could you be the devil? Could you be an angel? It's time to bring out the big balloons. Thought that I was the exception. Bikinis, zucchinis, Martinis, no weenies.</p>
</div>
</div>
</div>
</div>
{{< /example >}}
## Alignment
Media in a media object can be aligned with flexbox utilities to the top (default), middle, or end of your `.media-body` content.
{{< example >}}
<div class="media">
{{< placeholder width="64" height="64" class="align-self-start mr-3" >}}
<div class="media-body">
<h5 class="mt-0">Top-aligned media</h5>
<p>I’m gon’ put her in a coma. You give a hundred reasons why, and you say you're really gonna try. So I sat quietly, agreed politely. Suiting up for my crowning battle. And on my 18th Birthday we got matching tattoos. So très chic, yeah, she's a classic. I am ready for the road less traveled.</p>
<p>I'm walking on air (tonight). But down to earth. You're original, cannot be replaced. But in another life I would be your girl. We drove to Cali and got drunk on the beach. We can dance, until we die, you and I, will be young forever. Saw you downtown singing the Blues.</p>
</div>
</div>
{{< /example >}}
{{< example >}}
<div class="media">
{{< placeholder width="64" height="64" class="align-self-center mr-3" >}}
<div class="media-body">
<h5 class="mt-0">Center-aligned media</h5>
<p>She'll turn cold as a freezer. At the eh-end of it all. Stinging like a bee I earned my stripes. Bikinis, zucchinis, Martinis, no weenies. I hope you got a healthy appetite. We can dance, until we die, you and I, will be young forever. We're living the life. We're doing it right. Word on the street, you got somethin' to show me, me.</p>
<p class="mb-0">Wanna see the show in 3D, a movie. They say, be afraid you're not like the others, futuristic lover. Open up your heart. So I sat quietly, agreed politely. Last Friday night. Yeah, you're lucky if you're on her plane. I'll be your gift, give you something good to celebrate.</p>
</div>
</div>
{{< /example >}}
{{< example >}}
<div class="media">
{{< placeholder width="64" height="64" class="align-self-end mr-3" >}}
<div class="media-body">
<h5 class="mt-0">Bottom-aligned media</h5>
<p>Come on, let your colours burst. I can feel this light that's inside of me. All night they're playing, your song. From Tokyo to Mexico, to Rio. There’s no going back. But down to earth. Magical, colorful, Mr. Mystery, ee. Different DNA, they don't understand you.</p>
<p class="mb-0">But down to earth. She's got that, je ne sais quoi, you know it. I can see the writing on the wall. The boys break their necks try'na to creep a little sneak peek. Take me, ta-ta-take me. Open up your heart. Thought that I was the exception. Boom, boom, boom. Venice beach and Palm Springs, summertime is everything. Bring the beat back. (This is how we do)</p>
</div>
</div>
{{< /example >}}
## Order
Change the order of content in media objects by modifying the HTML itself, or by adding some custom flexbox CSS to set the `order` property (to an integer of your choosing).
{{< example >}}
<div class="media">
<div class="media-body">
<h5 class="mt-0 mb-1">Media object</h5>
<p>I know there will be sacrifice but that's the price. Are you brave enough to let me see your peacock? Be your teenage dream tonight. Uh-huh, I see you. There’s no going back. Yeah, we maxed our credit cards and got kicked out of the bar. So let me get you in your birthday suit. You may fall in love when you meet her. Had the world in the palm of your hands. Don't let the greatness get you down, oh, oh yeah. Now we talking astrology, getting our nails did, all Japanese-y. Make me your Aphrodite.</p>
</div>
{{< placeholder width="64" height="64" class="ml-3" >}}
</div>
{{< /example >}}
## Media list
Because the media object has so few structural requirements, you can also use these classes on list HTML elements. On your `<ul>` or `<ol>`, add the `.list-unstyled` to remove any browser default list styles, and then apply `.media` to your `<li>`s. As always, use spacing utilities wherever needed to fine tune.
{{< example >}}
<ul class="list-unstyled">
<li class="media">
{{< placeholder width="64" height="64" class="mr-3" >}}
<div class="media-body">
<h5 class="mt-0 mb-1">List-based media object</h5>
<p>All my girls vintage Chanel baby. So you can have your cake. Tonight, tonight, tonight, I'm walking on air. Slowly swallowing down my fear, yeah yeah. Growing fast into a bolt of lightning. So hot and heavy, 'Til dawn. That fairy tale ending with a knight in shining armor. Heavy is the head that wears the crown.</p>
</div>
</li>
<li class="media my-4">
{{< placeholder width="64" height="64" class="mr-3" >}}
<div class="media-body">
<h5 class="mt-0 mb-1">List-based media object</h5>
<p>Maybe a reason why all the doors are closed. Cause once you’re mine, once you’re mine. Be your teenage dream tonight. Heavy is the head that wears the crown. It's not even a holiday, nothing to celebrate. A perfect storm, perfect storm.</p>
</div>
</li>
<li class="media">
{{< placeholder width="64" height="64" class="mr-3" >}}
<div class="media-body">
<h5 class="mt-0 mb-1">List-based media object</h5>
<p>Are you brave enough to let me see your peacock? There’s no going back. This is the last time you say, after the last line you break. At the eh-end of it all.</p>
</div>
</li>
</ul>
{{< /example >}}

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---
layout: docs
title: Modal
description: Use Bootstrap's JavaScript modal plugin to add dialogs to your site for lightboxes, user notifications, or completely custom content.
group: components
toc: true
---
## How it works
Before getting started with Bootstrap's modal component, be sure to read the following as our menu options have recently changed.
- Modals are built with HTML, CSS, and JavaScript. They're positioned over everything else in the document and remove scroll from the `<body>` so that modal content scrolls instead.
- Clicking on the modal "backdrop" will automatically close the modal.
- Bootstrap only supports one modal window at a time. Nested modals aren't supported as we believe them to be poor user experiences.
- Modals use `position: fixed`, which can sometimes be a bit particular about its rendering. Whenever possible, place your modal HTML in a top-level position to avoid potential interference from other elements. You'll likely run into issues when nesting a `.modal` within another fixed element.
- Once again, due to `position: fixed`, there are some caveats with using modals on mobile devices. [See our browser support docs]({{< docsref "/getting-started/browsers-devices#modals-and-dropdowns-on-mobile" >}}) for details.
- Due to how HTML5 defines its semantics, [the `autofocus` HTML attribute](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/input#attr-autofocus) has no effect in Bootstrap modals. To achieve the same effect, use some custom JavaScript:
```js
$('#myModal').on('shown.bs.modal', function () {
$('#myInput').trigger('focus')
})
```
{{< callout info >}}
{{< partial "callout-info-prefersreducedmotion.md" >}}
{{< /callout >}}
Keep reading for demos and usage guidelines.
## Examples
### Modal components
Below is a _static_ modal example (meaning its `position` and `display` have been overridden). Included are the modal header, modal body (required for `padding`), and modal footer (optional). We ask that you include modal headers with dismiss actions whenever possible, or provide another explicit dismiss action.
<div class="bd-example bd-example-modal">
<div class="modal" tabindex="-1">
<div class="modal-dialog">
<div class="modal-content">
<div class="modal-header">
<h5 class="modal-title">Modal title</h5>
<button type="button" class="close" data-dismiss="modal" aria-label="Close">
<span aria-hidden="true">&times;</span>
</button>
</div>
<div class="modal-body">
<p>Modal body text goes here.</p>
</div>
<div class="modal-footer">
<button type="button" class="btn btn-secondary" data-dismiss="modal">Close</button>
<button type="button" class="btn btn-primary">Save changes</button>
</div>
</div>
</div>
</div>
</div>
```html
<div class="modal" tabindex="-1">
<div class="modal-dialog">
<div class="modal-content">
<div class="modal-header">
<h5 class="modal-title">Modal title</h5>
<button type="button" class="close" data-dismiss="modal" aria-label="Close">
<span aria-hidden="true">&times;</span>
</button>
</div>
<div class="modal-body">
<p>Modal body text goes here.</p>
</div>
<div class="modal-footer">
<button type="button" class="btn btn-secondary" data-dismiss="modal">Close</button>
<button type="button" class="btn btn-primary">Save changes</button>
</div>
</div>
</div>
</div>
```
### Live demo
Toggle a working modal demo by clicking the button below. It will slide down and fade in from the top of the page.
<div class="modal fade" id="exampleModalLive" tabindex="-1" aria-labelledby="exampleModalLiveLabel" aria-hidden="true">
<div class="modal-dialog">
<div class="modal-content">
<div class="modal-header">
<h5 class="modal-title" id="exampleModalLiveLabel">Modal title</h5>
<button type="button" class="close" data-dismiss="modal" aria-label="Close">
<span aria-hidden="true">&times;</span>
</button>
</div>
<div class="modal-body">
<p>Woohoo, you're reading this text in a modal!</p>
</div>
<div class="modal-footer">
<button type="button" class="btn btn-secondary" data-dismiss="modal">Close</button>
<button type="button" class="btn btn-primary">Save changes</button>
</div>
</div>
</div>
</div>
<div class="bd-example">
<button type="button" class="btn btn-primary" data-toggle="modal" data-target="#exampleModalLive">
Launch demo modal
</button>
</div>
```html
<!-- Button trigger modal -->
<button type="button" class="btn btn-primary" data-toggle="modal" data-target="#exampleModal">
Launch demo modal
</button>
<!-- Modal -->
<div class="modal fade" id="exampleModal" tabindex="-1" aria-labelledby="exampleModalLabel" aria-hidden="true">
<div class="modal-dialog">
<div class="modal-content">
<div class="modal-header">
<h5 class="modal-title" id="exampleModalLabel">Modal title</h5>
<button type="button" class="close" data-dismiss="modal" aria-label="Close">
<span aria-hidden="true">&times;</span>
</button>
</div>
<div class="modal-body">
...
</div>
<div class="modal-footer">
<button type="button" class="btn btn-secondary" data-dismiss="modal">Close</button>
<button type="button" class="btn btn-primary">Save changes</button>
</div>
</div>
</div>
</div>
```
### Static backdrop
When backdrop is set to static, the modal will not close when clicking outside it. Click the button below to try it.
<div class="modal fade" id="staticBackdropLive" data-backdrop="static" data-keyboard="false" tabindex="-1" aria-labelledby="staticBackdropLiveLabel" aria-hidden="true">
<div class="modal-dialog">
<div class="modal-content">
<div class="modal-header">
<h5 class="modal-title" id="staticBackdropLiveLabel">Modal title</h5>
<button type="button" class="close" data-dismiss="modal" aria-label="Close">
<span aria-hidden="true">&times;</span>
</button>
</div>
<div class="modal-body">
<p>I will not close if you click outside me. Don't even try to press escape key.</p>
</div>
<div class="modal-footer">
<button type="button" class="btn btn-secondary" data-dismiss="modal">Close</button>
<button type="button" class="btn btn-primary">Understood</button>
</div>
</div>
</div>
</div>
<div class="bd-example">
<button type="button" class="btn btn-primary" data-toggle="modal" data-target="#staticBackdropLive">
Launch static backdrop modal
</button>
</div>
```html
<!-- Button trigger modal -->
<button type="button" class="btn btn-primary" data-toggle="modal" data-target="#staticBackdrop">
Launch static backdrop modal
</button>
<!-- Modal -->
<div class="modal fade" id="staticBackdrop" data-backdrop="static" data-keyboard="false" tabindex="-1" aria-labelledby="staticBackdropLabel" aria-hidden="true">
<div class="modal-dialog">
<div class="modal-content">
<div class="modal-header">
<h5 class="modal-title" id="staticBackdropLabel">Modal title</h5>
<button type="button" class="close" data-dismiss="modal" aria-label="Close">
<span aria-hidden="true">&times;</span>
</button>
</div>
<div class="modal-body">
...
</div>
<div class="modal-footer">
<button type="button" class="btn btn-secondary" data-dismiss="modal">Close</button>
<button type="button" class="btn btn-primary">Understood</button>
</div>
</div>
</div>
</div>
```
### Scrolling long content
When modals become too long for the user's viewport or device, they scroll independent of the page itself. Try the demo below to see what we mean.
<div class="modal fade" id="exampleModalLong" tabindex="-1" aria-labelledby="exampleModalLongTitle" aria-hidden="true">
<div class="modal-dialog">
<div class="modal-content">
<div class="modal-header">
<h5 class="modal-title" id="exampleModalLongTitle">Modal title</h5>
<button type="button" class="close" data-dismiss="modal" aria-label="Close">
<span aria-hidden="true">&times;</span>
</button>
</div>
<div class="modal-body">
<p>What follows is just some placeholder text for this modal dialog. Sipping on Rosé, Silver Lake sun, coming up all lazy. It’s in the palm of your hand now baby. So we hit the boulevard. So make a wish, I'll make it like your birthday everyday. Do you ever feel already buried deep six feet under? It's time to bring out the big balloons. You could've been the greatest. Passport stamps, she's cosmopolitan. Your kiss is cosmic, every move is magic.</p>
<p>We're living the life. We're doing it right. Open up your heart. I was tryna hit it and quit it. Her love is like a drug. Always leaves a trail of stardust. The girl's a freak, she drive a jeep in Laguna Beach. Fine, fresh, fierce, we got it on lock. All my girls vintage Chanel baby.</p>
<p>Before you met me I was alright but things were kinda heavy. Peach-pink lips, yeah, everybody stares. This is no big deal. Calling out my name. I could have rewrite your addiction. She's got that, je ne sais quoi, you know it. Heavy is the head that wears the crown. 'Cause, baby, you're a firework. Like thunder gonna shake the ground.</p>
<p>Just own the night like the 4th of July! I’m gon’ put her in a coma. What you're waiting for, it's time for you to show it off. Can't replace you with a million rings. You open my eyes and I'm ready to go, lead me into the light. And here you are. I’m gon’ put her in a coma. Come on, let your colours burst. So cover your eyes, I have a surprise. As I march alone to a different beat. Glitter all over the room pink flamingos in the pool.</p>
<p>You just gotta ignite the light and let it shine! Come just as you are to me. Just own the night like the 4th of July. Infect me with your love and fill me with your poison. Come just as you are to me. End of the rainbow looking treasure.</p>
<p>I can't sleep let's run away and don't ever look back, don't ever look back. I can't sleep let's run away and don't ever look back, don't ever look back. Yes, we make angels cry, raining down on earth from up above. I'm walking on air (tonight). Let you put your hands on me in my skin-tight jeans. Stinging like a bee I earned my stripes. I went from zero, to my own hero. Even brighter than the moon, moon, moon. Make 'em go, 'Aah, aah, aah' as you shoot across the sky-y-y! Why don't you let me stop by?</p>
<p>Boom, boom, boom. Never made me blink one time. Yeah, you're lucky if you're on her plane. Talk about our future like we had a clue. Oh my God no exaggeration. You're original, cannot be replaced. The girl's a freak, she drive a jeep in Laguna Beach. It's no big deal, it's no big deal, it's no big deal. In another life I would make you stay. I'm ma get your heart racing in my skin-tight jeans. I wanna walk on your wave length and be there when you vibrate Never made me blink one time.</p>
<p>We'd keep all our promises be us against the world. If you get the chance you better keep her. It's time to bring out the big, big, big, big, big, big balloons. I hope you got a healthy appetite. Don't let the greatness get you down, oh, oh yeah. Yeah, she's footloose and so fancy free. I want the jaw droppin', eye poppin', head turnin', body shockin'. End of the rainbow looking treasure.</p>
</div>
<div class="modal-footer">
<button type="button" class="btn btn-secondary" data-dismiss="modal">Close</button>
<button type="button" class="btn btn-primary">Save changes</button>
</div>
</div>
</div>
</div>
<div class="bd-example">
<button type="button" class="btn btn-primary" data-toggle="modal" data-target="#exampleModalLong">
Launch demo modal
</button>
</div>
You can also create a scrollable modal that allows scroll the modal body by adding `.modal-dialog-scrollable` to `.modal-dialog`.
<div class="modal fade" id="exampleModalScrollable" tabindex="-1" aria-labelledby="exampleModalScrollableTitle" aria-hidden="true">
<div class="modal-dialog modal-dialog-scrollable">
<div class="modal-content">
<div class="modal-header">
<h5 class="modal-title" id="exampleModalScrollableTitle">Modal title</h5>
<button type="button" class="close" data-dismiss="modal" aria-label="Close">
<span aria-hidden="true">&times;</span>
</button>
</div>
<div class="modal-body">
<p>What follows is just some placeholder text for this modal dialog. You just gotta ignite the light and let it shine! Come just as you are to me. Just own the night like the 4th of July. Infect me with your love and fill me with your poison. Come just as you are to me. End of the rainbow looking treasure.</p>
<p>I can't sleep let's run away and don't ever look back, don't ever look back. I can't sleep let's run away and don't ever look back, don't ever look back. Yes, we make angels cry, raining down on earth from up above. I'm walking on air (tonight). Let you put your hands on me in my skin-tight jeans. Stinging like a bee I earned my stripes. I went from zero, to my own hero. Even brighter than the moon, moon, moon. Make 'em go, 'Aah, aah, aah' as you shoot across the sky-y-y! Why don't you let me stop by?</p>
<p>Boom, boom, boom. Never made me blink one time. Yeah, you're lucky if you're on her plane. Talk about our future like we had a clue. Oh my God no exaggeration. You're original, cannot be replaced. The girl's a freak, she drive a jeep in Laguna Beach. It's no big deal, it's no big deal, it's no big deal. In another life I would make you stay. I'm ma get your heart racing in my skin-tight jeans. I wanna walk on your wave length and be there when you vibrate Never made me blink one time.</p>
<p>We'd keep all our promises be us against the world. In another life I would be your girl. We can dance, until we die, you and I, will be young forever. And on my 18th Birthday we got matching tattoos. So open up your heart and just let it begin. 'Cause she's the muse and the artist. She eats your heart out. Like Jeffrey Dahmer (woo). Pop your confetti. (This is how we do) I know one spark will shock the world, yeah yeah. If you only knew what the future holds.</p>
<p>Sipping on Rosé, Silver Lake sun, coming up all lazy. It’s in the palm of your hand now baby. So we hit the boulevard. So make a wish, I'll make it like your birthday everyday. Do you ever feel already buried deep six feet under? It's time to bring out the big balloons. You could've been the greatest. Passport stamps, she's cosmopolitan. Your kiss is cosmic, every move is magic.</p>
<p>We're living the life. We're doing it right. Open up your heart. I was tryna hit it and quit it. Her love is like a drug. Always leaves a trail of stardust. The girl's a freak, she drive a jeep in Laguna Beach. Fine, fresh, fierce, we got it on lock. All my girls vintage Chanel baby.</p>
<p>Before you met me I was alright but things were kinda heavy. Peach-pink lips, yeah, everybody stares. This is no big deal. Calling out my name. I could have rewrite your addiction. She's got that, je ne sais quoi, you know it. Heavy is the head that wears the crown. 'Cause, baby, you're a firework. Like thunder gonna shake the ground.</p>
<p>Just own the night like the 4th of July! I’m gon’ put her in a coma. What you're waiting for, it's time for you to show it off. Can't replace you with a million rings. You open my eyes and I'm ready to go, lead me into the light. And here you are. I’m gon’ put her in a coma. Come on, let your colours burst. So cover your eyes, I have a surprise. As I march alone to a different beat. Glitter all over the room pink flamingos in the pool.</p>
</div>
<div class="modal-footer">
<button type="button" class="btn btn-secondary" data-dismiss="modal">Close</button>
<button type="button" class="btn btn-primary">Save changes</button>
</div>
</div>
</div>
</div>
<div class="bd-example">
<button type="button" class="btn btn-primary" data-toggle="modal" data-target="#exampleModalScrollable">
Launch demo modal
</button>
</div>
```html
<!-- Scrollable modal -->
<div class="modal-dialog modal-dialog-scrollable">
...
</div>
```
### Vertically centered
Add `.modal-dialog-centered` to `.modal-dialog` to vertically center the modal.
<div class="modal fade" id="exampleModalCenter" tabindex="-1" aria-labelledby="exampleModalCenterTitle" aria-hidden="true">
<div class="modal-dialog modal-dialog-centered">
<div class="modal-content">
<div class="modal-header">
<h5 class="modal-title" id="exampleModalCenterTitle">Modal title</h5>
<button type="button" class="close" data-dismiss="modal" aria-label="Close">
<span aria-hidden="true">&times;</span>
</button>
</div>
<div class="modal-body">
<p>Placeholder text for this demonstration of a vertically centered modal dialog.</p>
</div>
<div class="modal-footer">
<button type="button" class="btn btn-secondary" data-dismiss="modal">Close</button>
<button type="button" class="btn btn-primary">Save changes</button>
</div>
</div>
</div>
</div>
<div class="modal fade" id="exampleModalCenteredScrollable" tabindex="-1" aria-labelledby="exampleModalCenteredScrollableTitle" aria-hidden="true">
<div class="modal-dialog modal-dialog-centered modal-dialog-scrollable">
<div class="modal-content">
<div class="modal-header">
<h5 class="modal-title" id="exampleModalCenteredScrollableTitle">Modal title</h5>
<button type="button" class="close" data-dismiss="modal" aria-label="Close">
<span aria-hidden="true">&times;</span>
</button>
</div>
<div class="modal-body">
<p>Placeholder text for this demonstration of a vertically centered modal dialog.</p>
<p>In this case, the dialog has a bit more content, just to show how vertical centering can be added to a scrollable modal.</p>
<p>What follows is just some placeholder text for this modal dialog. Sipping on Rosé, Silver Lake sun, coming up all lazy. It’s in the palm of your hand now baby. So we hit the boulevard. So make a wish, I'll make it like your birthday everyday. Do you ever feel already buried deep six feet under? It's time to bring out the big balloons. You could've been the greatest. Passport stamps, she's cosmopolitan. Your kiss is cosmic, every move is magic.</p>
<p>We're living the life. We're doing it right. Open up your heart. I was tryna hit it and quit it. Her love is like a drug. Always leaves a trail of stardust. The girl's a freak, she drive a jeep in Laguna Beach. Fine, fresh, fierce, we got it on lock. All my girls vintage Chanel baby.</p>
</div>
<div class="modal-footer">
<button type="button" class="btn btn-secondary" data-dismiss="modal">Close</button>
<button type="button" class="btn btn-primary">Save changes</button>
</div>
</div>
</div>
</div>
<div class="bd-example">
<button type="button" class="btn btn-primary" data-toggle="modal" data-target="#exampleModalCenter">
Vertically centered modal
</button>
<button type="button" class="btn btn-primary" data-toggle="modal" data-target="#exampleModalCenteredScrollable">
Vertically centered scrollable modal
</button>
</div>
```html
<!-- Vertically centered modal -->
<div class="modal-dialog modal-dialog-centered">
...
</div>
<!-- Vertically centered scrollable modal -->
<div class="modal-dialog modal-dialog-centered modal-dialog-scrollable">
...
</div>
```
### Tooltips and popovers
[Tooltips]({{< docsref "/components/tooltips" >}}) and [popovers]({{< docsref "/components/popovers" >}}) can be placed within modals as needed. When modals are closed, any tooltips and popovers within are also automatically dismissed.
<div class="modal fade" id="exampleModalPopovers" tabindex="-1" aria-labelledby="exampleModalPopoversLabel" aria-hidden="true">
<div class="modal-dialog">
<div class="modal-content">
<div class="modal-header">
<h5 class="modal-title" id="exampleModalPopoversLabel">Modal title</h5>
<button type="button" class="close" data-dismiss="modal" aria-label="Close">
<span aria-hidden="true">&times;</span>
</button>
</div>
<div class="modal-body">
<h5>Popover in a modal</h5>
<p>This <a href="#" role="button" class="btn btn-secondary popover-test" title="Popover title" data-content="Popover body content is set in this attribute." data-container="#exampleModalPopovers">button</a> triggers a popover on click.</p>
<hr>
<h5>Tooltips in a modal</h5>
<p><a href="#" class="tooltip-test" title="Tooltip" data-container="#exampleModalPopovers">This link</a> and <a href="#" class="tooltip-test" title="Tooltip" data-container="#exampleModalPopovers">that link</a> have tooltips on hover.</p>
</div>
<div class="modal-footer">
<button type="button" class="btn btn-secondary" data-dismiss="modal">Close</button>
<button type="button" class="btn btn-primary">Save changes</button>
</div>
</div>
</div>
</div>
<div class="bd-example">
<button type="button" class="btn btn-primary" data-toggle="modal" data-target="#exampleModalPopovers">
Launch demo modal
</button>
</div>
```html
<div class="modal-body">
<h5>Popover in a modal</h5>
<p>This <a href="#" role="button" class="btn btn-secondary popover-test" title="Popover title" data-content="Popover body content is set in this attribute.">button</a> triggers a popover on click.</p>
<hr>
<h5>Tooltips in a modal</h5>
<p><a href="#" class="tooltip-test" title="Tooltip">This link</a> and <a href="#" class="tooltip-test" title="Tooltip">that link</a> have tooltips on hover.</p>
</div>
```
### Using the grid
Utilize the Bootstrap grid system within a modal by nesting `.container-fluid` within the `.modal-body`. Then, use the normal grid system classes as you would anywhere else.
<div class="modal fade" id="gridSystemModal" tabindex="-1" aria-labelledby="gridModalLabel" aria-hidden="true">
<div class="modal-dialog">
<div class="modal-content">
<div class="modal-header">
<h5 class="modal-title" id="gridModalLabel">Grids in modals</h5>
<button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
</div>
<div class="modal-body">
<div class="container-fluid bd-example-row">
<div class="row">
<div class="col-md-4">.col-md-4</div>
<div class="col-md-4 ml-auto">.col-md-4 .ml-auto</div>
</div>
<div class="row">
<div class="col-md-3 ml-auto">.col-md-3 .ml-auto</div>
<div class="col-md-2 ml-auto">.col-md-2 .ml-auto</div>
</div>
<div class="row">
<div class="col-md-6 ml-auto">.col-md-6 .ml-auto</div>
</div>
<div class="row">
<div class="col-sm-9">
Level 1: .col-sm-9
<div class="row">
<div class="col-8 col-sm-6">
Level 2: .col-8 .col-sm-6
</div>
<div class="col-4 col-sm-6">
Level 2: .col-4 .col-sm-6
</div>
</div>
</div>
</div>
</div>
</div>
<div class="modal-footer">
<button type="button" class="btn btn-secondary" data-dismiss="modal">Close</button>
<button type="button" class="btn btn-primary">Save changes</button>
</div>
</div>
</div>
</div>
<div class="bd-example">
<button type="button" class="btn btn-primary" data-toggle="modal" data-target="#gridSystemModal">
Launch demo modal
</button>
</div>
```html
<div class="modal-body">
<div class="container-fluid">
<div class="row">
<div class="col-md-4">.col-md-4</div>
<div class="col-md-4 ml-auto">.col-md-4 .ml-auto</div>
</div>
<div class="row">
<div class="col-md-3 ml-auto">.col-md-3 .ml-auto</div>
<div class="col-md-2 ml-auto">.col-md-2 .ml-auto</div>
</div>
<div class="row">
<div class="col-md-6 ml-auto">.col-md-6 .ml-auto</div>
</div>
<div class="row">
<div class="col-sm-9">
Level 1: .col-sm-9
<div class="row">
<div class="col-8 col-sm-6">
Level 2: .col-8 .col-sm-6
</div>
<div class="col-4 col-sm-6">
Level 2: .col-4 .col-sm-6
</div>
</div>
</div>
</div>
</div>
</div>
```
### Varying modal content
Have a bunch of buttons that all trigger the same modal with slightly different contents? Use `event.relatedTarget` and [HTML `data-*` attributes](https://developer.mozilla.org/en-US/docs/Learn/HTML/Howto/Use_data_attributes) (possibly [via jQuery](https://api.jquery.com/data/)) to vary the contents of the modal depending on which button was clicked.
Below is a live demo followed by example HTML and JavaScript. For more information, [read the modal events docs](#events) for details on `relatedTarget`.
{{< example >}}
<button type="button" class="btn btn-primary" data-toggle="modal" data-target="#exampleModal" data-whatever="@mdo">Open modal for @mdo</button>
<button type="button" class="btn btn-primary" data-toggle="modal" data-target="#exampleModal" data-whatever="@fat">Open modal for @fat</button>
<button type="button" class="btn btn-primary" data-toggle="modal" data-target="#exampleModal" data-whatever="@getbootstrap">Open modal for @getbootstrap</button>
<div class="modal fade" id="exampleModal" tabindex="-1" aria-labelledby="exampleModalLabel" aria-hidden="true">
<div class="modal-dialog">
<div class="modal-content">
<div class="modal-header">
<h5 class="modal-title" id="exampleModalLabel">New message</h5>
<button type="button" class="close" data-dismiss="modal" aria-label="Close">
<span aria-hidden="true">&times;</span>
</button>
</div>
<div class="modal-body">
<form>
<div class="form-group">
<label for="recipient-name" class="col-form-label">Recipient:</label>
<input type="text" class="form-control" id="recipient-name">
</div>
<div class="form-group">
<label for="message-text" class="col-form-label">Message:</label>
<textarea class="form-control" id="message-text"></textarea>
</div>
</form>
</div>
<div class="modal-footer">
<button type="button" class="btn btn-secondary" data-dismiss="modal">Close</button>
<button type="button" class="btn btn-primary">Send message</button>
</div>
</div>
</div>
</div>
{{< /example >}}
```js
$('#exampleModal').on('show.bs.modal', function (event) {
var button = $(event.relatedTarget) // Button that triggered the modal
var recipient = button.data('whatever') // Extract info from data-* attributes
// If necessary, you could initiate an AJAX request here (and then do the updating in a callback).
// Update the modal's content. We'll use jQuery here, but you could use a data binding library or other methods instead.
var modal = $(this)
modal.find('.modal-title').text('New message to ' + recipient)
modal.find('.modal-body input').val(recipient)
})
```
### Change animation
The `$modal-fade-transform` variable determines the transform state of `.modal-dialog` before the modal fade-in animation, the `$modal-show-transform` variable determines the transform of `.modal-dialog` at the end of the modal fade-in animation.
If you want for example a zoom-in animation, you can set `$modal-fade-transform: scale(.8)`.
### Remove animation
For modals that simply appear rather than fade in to view, remove the `.fade` class from your modal markup.
```html
<div class="modal" tabindex="-1" aria-labelledby="..." aria-hidden="true">
...
</div>
```
### Dynamic heights
If the height of a modal changes while it is open, you should call `$('#myModal').modal('handleUpdate')` to readjust the modal's position in case a scrollbar appears.
### Accessibility
Be sure to add `aria-labelledby="..."`, referencing the modal title, to `.modal`. Additionally, you may give a description of your modal dialog with `aria-describedby` on `.modal`. Note that you don't need to add `role="dialog"` since we already add it via JavaScript.
### Embedding YouTube videos
Embedding YouTube videos in modals requires additional JavaScript not in Bootstrap to automatically stop playback and more. [See this helpful Stack Overflow post](https://stackoverflow.com/questions/18622508/bootstrap-3-and-youtube-in-modal) for more information.
## Optional sizes
Modals have three optional sizes, available via modifier classes to be placed on a `.modal-dialog`. These sizes kick in at certain breakpoints to avoid horizontal scrollbars on narrower viewports.
<table class="table table-bordered table-striped">
<thead>
<tr>
<th>Size</th>
<th>Class</th>
<th>Modal max-width</th>
</tr>
</thead>
<tbody>
<tr>
<td>Small</td>
<td><code>.modal-sm</code></td>
<td><code>300px</code></td>
</tr>
<tr>
<td>Default</td>
<td class="text-muted">None</td>
<td><code>500px</code></td>
</tr>
<tr>
<td>Large</td>
<td><code>.modal-lg</code></td>
<td><code>800px</code></td>
</tr>
<tr>
<td>Extra large</td>
<td><code>.modal-xl</code></td>
<td><code>1140px</code></td>
</tr>
</tbody>
</table>
Our default modal without modifier class constitutes the "medium" size modal.
<div class="bd-example">
<button type="button" class="btn btn-primary" data-toggle="modal" data-target="#exampleModalXl">Extra large modal</button>
<button type="button" class="btn btn-primary" data-toggle="modal" data-target="#exampleModalLg">Large modal</button>
<button type="button" class="btn btn-primary" data-toggle="modal" data-target="#exampleModalSm">Small modal</button>
</div>
```html
<div class="modal-dialog modal-xl">...</div>
<div class="modal-dialog modal-lg">...</div>
<div class="modal-dialog modal-sm">...</div>
```
<div class="modal fade" id="exampleModalXl" tabindex="-1" aria-labelledby="exampleModalXlLabel" aria-hidden="true">
<div class="modal-dialog modal-xl">
<div class="modal-content">
<div class="modal-header">
<h5 class="modal-title h4" id="exampleModalXlLabel">Extra large modal</h5>
<button type="button" class="close" data-dismiss="modal" aria-label="Close">
<span aria-hidden="true">&times;</span>
</button>
</div>
<div class="modal-body">
...
</div>
</div>
</div>
</div>
<div class="modal fade" id="exampleModalLg" tabindex="-1" aria-labelledby="exampleModalLgLabel" aria-hidden="true">
<div class="modal-dialog modal-lg">
<div class="modal-content">
<div class="modal-header">
<h5 class="modal-title h4" id="exampleModalLgLabel">Large modal</h5>
<button type="button" class="close" data-dismiss="modal" aria-label="Close">
<span aria-hidden="true">&times;</span>
</button>
</div>
<div class="modal-body">
...
</div>
</div>
</div>
</div>
<div class="modal fade" id="exampleModalSm" tabindex="-1" aria-labelledby="exampleModalSmLabel" aria-hidden="true">
<div class="modal-dialog modal-sm">
<div class="modal-content">
<div class="modal-header">
<h5 class="modal-title h4" id="exampleModalSmLabel">Small modal</h5>
<button type="button" class="close" data-dismiss="modal" aria-label="Close">
<span aria-hidden="true">&times;</span>
</button>
</div>
<div class="modal-body">
...
</div>
</div>
</div>
</div>
## Usage
The modal plugin toggles your hidden content on demand, via data attributes or JavaScript. It also adds `.modal-open` to the `<body>` to override default scrolling behavior and generates a `.modal-backdrop` to provide a click area for dismissing shown modals when clicking outside the modal.
### Via data attributes
Activate a modal without writing JavaScript. Set `data-toggle="modal"` on a controller element, like a button, along with a `data-target="#foo"` or `href="#foo"` to target a specific modal to toggle.
```html
<button type="button" data-toggle="modal" data-target="#myModal">Launch modal</button>
```
### Via JavaScript
Call a modal with id `myModal` with a single line of JavaScript:
```js
$('#myModal').modal(options)
```
### Options
Options can be passed via data attributes or JavaScript. For data attributes, append the option name to `data-`, as in `data-backdrop=""`.
<table class="table table-bordered table-striped">
<thead>
<tr>
<th style="width: 100px;">Name</th>
<th style="width: 50px;">Type</th>
<th style="width: 50px;">Default</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td>backdrop</td>
<td>boolean or the string <code>'static'</code></td>
<td>true</td>
<td>Includes a modal-backdrop element. Alternatively, specify <code>static</code> for a backdrop which doesn't close the modal on click.</td>
</tr>
<tr>
<td>keyboard</td>
<td>boolean</td>
<td>true</td>
<td>Closes the modal when escape key is pressed</td>
</tr>
<tr>
<td>focus</td>
<td>boolean</td>
<td>true</td>
<td>Puts the focus on the modal when initialized.</td>
</tr>
<tr>
<td>show</td>
<td>boolean</td>
<td>true</td>
<td>Shows the modal when initialized.</td>
</tr>
</tbody>
</table>
### Methods
{{< callout danger >}}
{{< partial "callout-danger-async-methods.md" >}}
{{< /callout >}}
#### `.modal(options)`
Activates your content as a modal. Accepts an optional options `object`.
```js
$('#myModal').modal({
keyboard: false
})
```
#### `.modal('toggle')`
Manually toggles a modal. **Returns to the caller before the modal has actually been shown or hidden** (i.e. before the `shown.bs.modal` or `hidden.bs.modal` event occurs).
```js
$('#myModal').modal('toggle')
```
#### `.modal('show')`
Manually opens a modal. **Returns to the caller before the modal has actually been shown** (i.e. before the `shown.bs.modal` event occurs).
```js
$('#myModal').modal('show')
```
#### `.modal('hide')`
Manually hides a modal. **Returns to the caller before the modal has actually been hidden** (i.e. before the `hidden.bs.modal` event occurs).
```js
$('#myModal').modal('hide')
```
#### `.modal('handleUpdate')`
Manually readjust the modal's position if the height of a modal changes while it is open (i.e. in case a scrollbar appears).
```js
$('#myModal').modal('handleUpdate')
```
#### `.modal('dispose')`
Destroys an element's modal.
### Events
Bootstrap's modal class exposes a few events for hooking into modal functionality. All modal events are fired at the modal itself (i.e. at the `<div class="modal">`).
<table class="table table-bordered table-striped">
<thead>
<tr>
<th style="width: 150px;">Event Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td>show.bs.modal</td>
<td>This event fires immediately when the <code>show</code> instance method is called. If caused by a click, the clicked element is available as the <code>relatedTarget</code> property of the event.</td>
</tr>
<tr>
<td>shown.bs.modal</td>
<td>This event is fired when the modal has been made visible to the user (will wait for CSS transitions to complete). If caused by a click, the clicked element is available as the <code>relatedTarget</code> property of the event.</td>
</tr>
<tr>
<td>hide.bs.modal</td>
<td>This event is fired immediately when the <code>hide</code> instance method has been called.</td>
</tr>
<tr>
<td>hidden.bs.modal</td>
<td>This event is fired when the modal has finished being hidden from the user (will wait for CSS transitions to complete).</td>
</tr>
<tr>
<td>hidePrevented.bs.modal</td>
<td>This event is fired when the modal is shown, its backdrop is <code>static</code> and a click outside the modal or an escape key press is performed with the keyboard option or <code>data-keyboard</code> set to <code>false</code>.</td>
</tr>
</tbody>
</table>
```js
$('#myModal').on('hidden.bs.modal', function (event) {
// do something...
})
```

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@@ -0,0 +1,602 @@
---
layout: docs
title: Navbar
description: Documentation and examples for Bootstrap's powerful, responsive navigation header, the navbar. Includes support for branding, navigation, collapse plugin, and more.
group: components
toc: true
---
## How it works
Here's what you need to know before getting started with the navbar:
- Navbars require a wrapping `.navbar` with `.navbar-expand{-sm|-md|-lg|-xl}` for responsive collapsing and [color scheme](#color-schemes) classes.
- Navbars and their contents are fluid by default. Use [optional containers](#containers) to limit their horizontal width.
- Use our [spacing]({{< docsref "/utilities/spacing" >}}) and [flex]({{< docsref "/utilities/flex" >}}) utility classes for controlling spacing and alignment within navbars.
- Navbars are responsive by default, but you can easily modify them to change that. Responsive behavior depends on our Collapse JavaScript plugin.
- Navbars are hidden by default when printing. Force them to be printed by adding `.d-print` to the `.navbar`. See the [display]({{< docsref "/utilities/display" >}}) utility class.
- Ensure accessibility by using a `<nav>` element or, if using a more generic element such as a `<div>`, add a `role="navigation"` to every navbar to explicitly identify it as a landmark region for users of assistive technologies.
{{< callout info >}}
{{< partial "callout-info-prefersreducedmotion.md" >}}
{{< /callout >}}
## Supported content
Navbars come with built-in support for a handful of sub-components. Choose from the following as needed:
- `.navbar-brand` for your company, product, or project name.
- `.navbar-nav` for a full-height and lightweight navigation (including support for dropdowns).
- `.navbar-toggler` for use with our collapse plugin and other [navigation toggling](#responsive-behaviors) behaviors.
- `.form-inline` for any form controls and actions.
- `.navbar-text` for adding vertically centered strings of text.
- `.collapse.navbar-collapse` for grouping and hiding navbar contents by a parent breakpoint.
Here's an example of all the sub-components included in a responsive light-themed navbar that automatically collapses at the `lg` (large) breakpoint.
{{< example >}}
<nav class="navbar navbar-expand-lg navbar-light bg-light">
<a class="navbar-brand" href="#">Navbar</a>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarSupportedContent">
<ul class="navbar-nav mr-auto">
<li class="nav-item active">
<a class="nav-link" href="#">Home <span class="sr-only">(current)</span></a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Link</a>
</li>
<li class="nav-item dropdown">
<a class="nav-link dropdown-toggle" href="#" role="button" data-toggle="dropdown" aria-expanded="false">
Dropdown
</a>
<div class="dropdown-menu">
<a class="dropdown-item" href="#">Action</a>
<a class="dropdown-item" href="#">Another action</a>
<div class="dropdown-divider"></div>
<a class="dropdown-item" href="#">Something else here</a>
</div>
</li>
<li class="nav-item">
<a class="nav-link disabled">Disabled</a>
</li>
</ul>
<form class="form-inline my-2 my-lg-0">
<input class="form-control mr-sm-2" type="search" placeholder="Search" aria-label="Search">
<button class="btn btn-outline-success my-2 my-sm-0" type="submit">Search</button>
</form>
</div>
</nav>
{{< /example >}}
This example uses [color]({{< docsref "/utilities/colors" >}}) (`bg-light`) and [spacing]({{< docsref "/utilities/spacing" >}}) (`my-2`, `my-lg-0`, `mr-sm-0`, `my-sm-0`) utility classes.
### Brand
The `.navbar-brand` can be applied to most elements, but an anchor works best, as some elements might require utility classes or custom styles.
{{< example >}}
<!-- As a link -->
<nav class="navbar navbar-light bg-light">
<a class="navbar-brand" href="#">Navbar</a>
</nav>
<!-- As a heading -->
<nav class="navbar navbar-light bg-light">
<span class="navbar-brand mb-0 h1">Navbar</span>
</nav>
{{< /example >}}
Adding images to the `.navbar-brand` will likely always require custom styles or utilities to properly size. Here are some examples to demonstrate.
{{< example >}}
<!-- Just an image -->
<nav class="navbar navbar-light bg-light">
<a class="navbar-brand" href="#">
<img src="/docs/{{< param docs_version >}}/assets/brand/bootstrap-solid.svg" width="30" height="30" alt="">
</a>
</nav>
{{< /example >}}
{{< example >}}
<!-- Image and text -->
<nav class="navbar navbar-light bg-light">
<a class="navbar-brand" href="#">
<img src="/docs/{{< param docs_version >}}/assets/brand/bootstrap-solid.svg" width="30" height="30" class="d-inline-block align-top" alt="">
Bootstrap
</a>
</nav>
{{< /example >}}
### Nav
Navbar navigation links build on our `.nav` options with their own modifier class and require the use of [toggler classes](#toggler) for proper responsive styling. **Navigation in navbars will also grow to occupy as much horizontal space as possible** to keep your navbar contents securely aligned.
Active states—with `.active`—to indicate the current page can be applied directly to `.nav-link`s or their immediate parent `.nav-item`s.
{{< example >}}
<nav class="navbar navbar-expand-lg navbar-light bg-light">
<a class="navbar-brand" href="#">Navbar</a>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarNav">
<ul class="navbar-nav">
<li class="nav-item active">
<a class="nav-link" href="#">Home <span class="sr-only">(current)</span></a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Features</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Pricing</a>
</li>
<li class="nav-item">
<a class="nav-link disabled">Disabled</a>
</li>
</ul>
</div>
</nav>
{{< /example >}}
And because we use classes for our navs, you can avoid the list-based approach entirely if you like.
{{< example >}}
<nav class="navbar navbar-expand-lg navbar-light bg-light">
<a class="navbar-brand" href="#">Navbar</a>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarNavAltMarkup" aria-controls="navbarNavAltMarkup" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarNavAltMarkup">
<div class="navbar-nav">
<a class="nav-link active" href="#">Home <span class="sr-only">(current)</span></a>
<a class="nav-link" href="#">Features</a>
<a class="nav-link" href="#">Pricing</a>
<a class="nav-link disabled">Disabled</a>
</div>
</div>
</nav>
{{< /example >}}
You can also use dropdowns in your navbar. Dropdown menus require a wrapping element for positioning, so be sure to use separate and nested elements for `.nav-item` and `.nav-link` as shown below.
{{< example >}}
<nav class="navbar navbar-expand-lg navbar-light bg-light">
<a class="navbar-brand" href="#">Navbar</a>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarNavDropdown" aria-controls="navbarNavDropdown" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarNavDropdown">
<ul class="navbar-nav">
<li class="nav-item active">
<a class="nav-link" href="#">Home <span class="sr-only">(current)</span></a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Features</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Pricing</a>
</li>
<li class="nav-item dropdown">
<a class="nav-link dropdown-toggle" href="#" role="button" data-toggle="dropdown" aria-expanded="false">
Dropdown link
</a>
<div class="dropdown-menu">
<a class="dropdown-item" href="#">Action</a>
<a class="dropdown-item" href="#">Another action</a>
<a class="dropdown-item" href="#">Something else here</a>
</div>
</li>
</ul>
</div>
</nav>
{{< /example >}}
### Forms
Place various form controls and components within a navbar with `.form-inline`.
{{< example >}}
<nav class="navbar navbar-light bg-light">
<form class="form-inline">
<input class="form-control mr-sm-2" type="search" placeholder="Search" aria-label="Search">
<button class="btn btn-outline-success my-2 my-sm-0" type="submit">Search</button>
</form>
</nav>
{{< /example >}}
Immediate child elements of `.navbar` use flex layout and will default to `justify-content: space-between`. Use additional [flex utilities]({{< docsref "/utilities/flex" >}}) as needed to adjust this behavior.
{{< example >}}
<nav class="navbar navbar-light bg-light">
<a class="navbar-brand">Navbar</a>
<form class="form-inline">
<input class="form-control mr-sm-2" type="search" placeholder="Search" aria-label="Search">
<button class="btn btn-outline-success my-2 my-sm-0" type="submit">Search</button>
</form>
</nav>
{{< /example >}}
Input groups work, too:
{{< example >}}
<nav class="navbar navbar-light bg-light">
<form class="form-inline">
<div class="input-group">
<div class="input-group-prepend">
<span class="input-group-text" id="basic-addon1">@</span>
</div>
<input type="text" class="form-control" placeholder="Username" aria-label="Username" aria-describedby="basic-addon1">
</div>
</form>
</nav>
{{< /example >}}
Various buttons are supported as part of these navbar forms, too. This is also a great reminder that vertical alignment utilities can be used to align different sized elements.
{{< example >}}
<nav class="navbar navbar-light bg-light">
<form class="form-inline">
<button class="btn btn-outline-success" type="button">Main button</button>
<button class="btn btn-sm btn-outline-secondary" type="button">Smaller button</button>
</form>
</nav>
{{< /example >}}
### Text
Navbars may contain bits of text with the help of `.navbar-text`. This class adjusts vertical alignment and horizontal spacing for strings of text.
{{< example >}}
<nav class="navbar navbar-light bg-light">
<span class="navbar-text">
Navbar text with an inline element
</span>
</nav>
{{< /example >}}
Mix and match with other components and utilities as needed.
{{< example >}}
<nav class="navbar navbar-expand-lg navbar-light bg-light">
<a class="navbar-brand" href="#">Navbar w/ text</a>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarText" aria-controls="navbarText" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarText">
<ul class="navbar-nav mr-auto">
<li class="nav-item active">
<a class="nav-link" href="#">Home <span class="sr-only">(current)</span></a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Features</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Pricing</a>
</li>
</ul>
<span class="navbar-text">
Navbar text with an inline element
</span>
</div>
</nav>
{{< /example >}}
## Color schemes
Theming the navbar has never been easier thanks to the combination of theming classes and `background-color` utilities. Choose from `.navbar-light` for use with light background colors, or `.navbar-dark` for dark background colors. Then, customize with `.bg-*` utilities.
<div class="bd-example">
<nav class="navbar navbar-expand-lg navbar-dark bg-dark">
<a class="navbar-brand" href="#">Navbar</a>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarColor01" aria-controls="navbarColor01" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarColor01">
<ul class="navbar-nav mr-auto">
<li class="nav-item active">
<a class="nav-link" href="#">Home <span class="sr-only">(current)</span></a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Features</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Pricing</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">About</a>
</li>
</ul>
<form class="form-inline">
<input class="form-control mr-sm-2" type="search" placeholder="Search" aria-label="Search">
<button class="btn btn-outline-info my-2 my-sm-0" type="submit">Search</button>
</form>
</div>
</nav>
<nav class="navbar navbar-expand-lg navbar-dark bg-primary">
<a class="navbar-brand" href="#">Navbar</a>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarColor02" aria-controls="navbarColor02" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarColor02">
<ul class="navbar-nav mr-auto">
<li class="nav-item active">
<a class="nav-link" href="#">Home <span class="sr-only">(current)</span></a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Features</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Pricing</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">About</a>
</li>
</ul>
<form class="form-inline">
<input class="form-control mr-sm-2" type="search" placeholder="Search" aria-label="Search">
<button class="btn btn-outline-light my-2 my-sm-0" type="submit">Search</button>
</form>
</div>
</nav>
<nav class="navbar navbar-expand-lg navbar-light" style="background-color: #e3f2fd;">
<a class="navbar-brand" href="#">Navbar</a>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarColor03" aria-controls="navbarColor03" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarColor03">
<ul class="navbar-nav mr-auto">
<li class="nav-item active">
<a class="nav-link" href="#">Home <span class="sr-only">(current)</span></a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Features</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Pricing</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">About</a>
</li>
</ul>
<form class="form-inline">
<input class="form-control mr-sm-2" type="search" placeholder="Search" aria-label="Search">
<button class="btn btn-outline-primary my-2 my-sm-0" type="submit">Search</button>
</form>
</div>
</nav>
</div>
```html
<nav class="navbar navbar-dark bg-dark">
<!-- Navbar content -->
</nav>
<nav class="navbar navbar-dark bg-primary">
<!-- Navbar content -->
</nav>
<nav class="navbar navbar-light" style="background-color: #e3f2fd;">
<!-- Navbar content -->
</nav>
```
## Containers
Although it's not required, you can wrap a navbar in a `.container` to center it on a page. Or you can add a container inside the `.navbar` to only center the contents of a [fixed or static top navbar](#placement).
{{< example >}}
<div class="container">
<nav class="navbar navbar-expand-lg navbar-light bg-light">
<a class="navbar-brand" href="#">Navbar</a>
</nav>
</div>
{{< /example >}}
When the container is within your navbar, its horizontal padding is removed at breakpoints lower than your specified `.navbar-expand{-sm|-md|-lg|-xl}` class. This ensures we're not doubling up on padding unnecessarily on lower viewports when your navbar is collapsed.
{{< example >}}
<nav class="navbar navbar-expand-lg navbar-light bg-light">
<div class="container">
<a class="navbar-brand" href="#">Navbar</a>
</div>
</nav>
{{< /example >}}
## Placement
Use our [position utilities]({{< docsref "/utilities/position" >}}) to place navbars in non-static positions. Choose from fixed to the top, fixed to the bottom, or stickied to the top (scrolls with the page until it reaches the top, then stays there). Fixed navbars use `position: fixed`, meaning they're pulled from the normal flow of the DOM and may require custom CSS (e.g., `padding-top` on the `<body>`) to prevent overlap with other elements.
Also note that **`.sticky-top` uses `position: sticky`, which [isn't fully supported in every browser](https://caniuse.com/css-sticky)**.
{{< example >}}
<nav class="navbar navbar-light bg-light">
<a class="navbar-brand" href="#">Default</a>
</nav>
{{< /example >}}
{{< example >}}
<nav class="navbar fixed-top navbar-light bg-light">
<a class="navbar-brand" href="#">Fixed top</a>
</nav>
{{< /example >}}
{{< example >}}
<nav class="navbar fixed-bottom navbar-light bg-light">
<a class="navbar-brand" href="#">Fixed bottom</a>
</nav>
{{< /example >}}
{{< example >}}
<nav class="navbar sticky-top navbar-light bg-light">
<a class="navbar-brand" href="#">Sticky top</a>
</nav>
{{< /example >}}
## Scrolling
Add `.navbar-nav-scroll` to a `.navbar-collapse` (or other navbar sub-component) to enable vertical scrolling within the toggleable contents of a collapsed navbar. By default, scrolling kicks in at `75vh` (or 75% of the viewport height), but you can override that with inline or custom styles. At larger viewports when the navbar is expanded, content will appear as it does in a default navbar.
Please note that this behavior comes with a potential drawback of `overflow`—when setting `overflow-y: auto` (required to scroll the content here), `overflow-x` is the equivalent of `auto`, which will crop some horizontal content.
Here's an example navbar using `.navbar-nav-scroll` with `style="max-height: 100px;"`, with some extra margin utilities for optimum spacing.
{{< example >}}
<nav class="navbar navbar-expand-lg navbar-light bg-light">
<a class="navbar-brand" href="#">Navbar scroll</a>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarScroll" aria-controls="navbarScroll" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarScroll">
<ul class="navbar-nav mr-auto my-2 my-lg-0 navbar-nav-scroll" style="max-height: 100px;">
<li class="nav-item active">
<a class="nav-link" href="#">Home <span class="sr-only">(current)</span></a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Link</a>
</li>
<li class="nav-item dropdown">
<a class="nav-link dropdown-toggle" href="#" role="button" data-toggle="dropdown" aria-expanded="false">
Link
</a>
<ul class="dropdown-menu">
<li><a class="dropdown-item" href="#">Action</a></li>
<li><a class="dropdown-item" href="#">Another action</a></li>
<li><hr class="dropdown-divider"></li>
<li><a class="dropdown-item" href="#">Something else here</a></li>
</ul>
</li>
<li class="nav-item">
<a class="nav-link disabled">Link</a>
</li>
</ul>
<form class="d-flex">
<input class="form-control mr-2" type="search" placeholder="Search" aria-label="Search">
<button class="btn btn-outline-success" type="submit">Search</button>
</form>
</div>
</nav>
{{< /example >}}
## Responsive behaviors
Navbars can use `.navbar-toggler`, `.navbar-collapse`, and `.navbar-expand{-sm|-md|-lg|-xl}` classes to determine when their content collapses behind a button. In combination with other utilities, you can easily choose when to show or hide particular elements.
For navbars that never collapse, add the `.navbar-expand` class on the navbar. For navbars that always collapse, don't add any `.navbar-expand` class.
### Toggler
Navbar togglers are left-aligned by default, but should they follow a sibling element like a `.navbar-brand`, they'll automatically be aligned to the far right. Reversing your markup will reverse the placement of the toggler. Below are examples of different toggle styles.
With no `.navbar-brand` shown at the smallest breakpoint:
{{< example >}}
<nav class="navbar navbar-expand-lg navbar-light bg-light">
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarTogglerDemo01" aria-controls="navbarTogglerDemo01" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarTogglerDemo01">
<a class="navbar-brand" href="#">Hidden brand</a>
<ul class="navbar-nav mr-auto mt-2 mt-lg-0">
<li class="nav-item active">
<a class="nav-link" href="#">Home <span class="sr-only">(current)</span></a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Link</a>
</li>
<li class="nav-item">
<a class="nav-link disabled">Disabled</a>
</li>
</ul>
<form class="form-inline my-2 my-lg-0">
<input class="form-control mr-sm-2" type="search" placeholder="Search" aria-label="Search">
<button class="btn btn-outline-success my-2 my-sm-0" type="submit">Search</button>
</form>
</div>
</nav>
{{< /example >}}
With a brand name shown on the left and toggler on the right:
{{< example >}}
<nav class="navbar navbar-expand-lg navbar-light bg-light">
<a class="navbar-brand" href="#">Navbar</a>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarTogglerDemo02" aria-controls="navbarTogglerDemo02" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarTogglerDemo02">
<ul class="navbar-nav mr-auto mt-2 mt-lg-0">
<li class="nav-item active">
<a class="nav-link" href="#">Home <span class="sr-only">(current)</span></a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Link</a>
</li>
<li class="nav-item">
<a class="nav-link disabled">Disabled</a>
</li>
</ul>
<form class="form-inline my-2 my-lg-0">
<input class="form-control mr-sm-2" type="search" placeholder="Search">
<button class="btn btn-outline-success my-2 my-sm-0" type="submit">Search</button>
</form>
</div>
</nav>
{{< /example >}}
With a toggler on the left and brand name on the right:
{{< example >}}
<nav class="navbar navbar-expand-lg navbar-light bg-light">
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarTogglerDemo03" aria-controls="navbarTogglerDemo03" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<a class="navbar-brand" href="#">Navbar</a>
<div class="collapse navbar-collapse" id="navbarTogglerDemo03">
<ul class="navbar-nav mr-auto mt-2 mt-lg-0">
<li class="nav-item active">
<a class="nav-link" href="#">Home <span class="sr-only">(current)</span></a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Link</a>
</li>
<li class="nav-item">
<a class="nav-link disabled">Disabled</a>
</li>
</ul>
<form class="form-inline my-2 my-lg-0">
<input class="form-control mr-sm-2" type="search" placeholder="Search" aria-label="Search">
<button class="btn btn-outline-success my-2 my-sm-0" type="submit">Search</button>
</form>
</div>
</nav>
{{< /example >}}
### External content
Sometimes you want to use the collapse plugin to trigger a container element for content that structurally sits outside of the `.navbar` . Because our plugin works on the `id` and `data-target` matching, that's easily done!
{{< example >}}
<div class="fixed-top">
<div class="collapse" id="navbarToggleExternalContent">
<div class="bg-dark p-4">
<h5 class="text-white h4">Collapsed content</h5>
<span class="text-muted">Toggleable via the navbar brand.</span>
</div>
</div>
<nav class="navbar navbar-dark bg-dark">
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarToggleExternalContent" aria-controls="navbarToggleExternalContent" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
</nav>
</div>
{{< /example >}}
When you do this, we recommend including additional JavaScript to move the focus programmatically to the container when it is opened. Otherwise, keyboard users and users of assistive technologies will likely have a hard time finding the newly revealed content - particularly if the container that was opened comes *before* the toggler in the document's structure. We also recommend making sure that the toggler has the `aria-controls` attribute, pointing to the `id` of the content container. In theory, this allows assistive technology users to jump directly from the toggler to the container it controls–but support for this is currently quite patchy.

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---
layout: docs
title: Navs
description: Documentation and examples for how to use Bootstrap's included navigation components.
group: components
toc: true
---
## Base nav
Navigation available in Bootstrap share general markup and styles, from the base `.nav` class to the active and disabled states. Swap modifier classes to switch between each style.
The base `.nav` component is built with flexbox and provide a strong foundation for building all types of navigation components. It includes some style overrides (for working with lists), some link padding for larger hit areas, and basic disabled styling.
{{< callout info >}}
The base `.nav` component does not include any `.active` state. The following examples include the class, mainly to demonstrate that this particular class does not trigger any special styling.
{{< /callout >}}
{{< example >}}
<ul class="nav">
<li class="nav-item">
<a class="nav-link active" href="#">Active</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Link</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Link</a>
</li>
<li class="nav-item">
<a class="nav-link disabled">Disabled</a>
</li>
</ul>
{{< /example >}}
Classes are used throughout, so your markup can be super flexible. Use `<ul>`s like above, `<ol>` if the order of your items is important, or roll your own with a `<nav>` element. Because the `.nav` uses `display: flex`, the nav links behave the same as nav items would, but without the extra markup.
{{< example >}}
<nav class="nav">
<a class="nav-link active" href="#">Active</a>
<a class="nav-link" href="#">Link</a>
<a class="nav-link" href="#">Link</a>
<a class="nav-link disabled">Disabled</a>
</nav>
{{< /example >}}
## Available styles
Change the style of `.nav`s component with modifiers and utilities. Mix and match as needed, or build your own.
### Horizontal alignment
Change the horizontal alignment of your nav with [flexbox utilities]({{< docsref "/layout/grid#horizontal-alignment" >}}). By default, navs are left-aligned, but you can easily change them to center or right aligned.
Centered with `.justify-content-center`:
{{< example >}}
<ul class="nav justify-content-center">
<li class="nav-item">
<a class="nav-link active" href="#">Active</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Link</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Link</a>
</li>
<li class="nav-item">
<a class="nav-link disabled">Disabled</a>
</li>
</ul>
{{< /example >}}
Right-aligned with `.justify-content-end`:
{{< example >}}
<ul class="nav justify-content-end">
<li class="nav-item">
<a class="nav-link active" href="#">Active</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Link</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Link</a>
</li>
<li class="nav-item">
<a class="nav-link disabled">Disabled</a>
</li>
</ul>
{{< /example >}}
### Vertical
Stack your navigation by changing the flex item direction with the `.flex-column` utility. Need to stack them on some viewports but not others? Use the responsive versions (e.g., `.flex-sm-column`).
{{< example >}}
<ul class="nav flex-column">
<li class="nav-item">
<a class="nav-link active" href="#">Active</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Link</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Link</a>
</li>
<li class="nav-item">
<a class="nav-link disabled">Disabled</a>
</li>
</ul>
{{< /example >}}
As always, vertical navigation is possible without `<ul>`s, too.
{{< example >}}
<nav class="nav flex-column">
<a class="nav-link active" href="#">Active</a>
<a class="nav-link" href="#">Link</a>
<a class="nav-link" href="#">Link</a>
<a class="nav-link disabled">Disabled</a>
</nav>
{{< /example >}}
### Tabs
Takes the basic nav from above and adds the `.nav-tabs` class to generate a tabbed interface. Use them to create tabbable regions with our [tab JavaScript plugin](#javascript-behavior).
{{< example >}}
<ul class="nav nav-tabs">
<li class="nav-item">
<a class="nav-link active" href="#">Active</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Link</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Link</a>
</li>
<li class="nav-item">
<a class="nav-link disabled">Disabled</a>
</li>
</ul>
{{< /example >}}
### Pills
Take that same HTML, but use `.nav-pills` instead:
{{< example >}}
<ul class="nav nav-pills">
<li class="nav-item">
<a class="nav-link active" href="#">Active</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Link</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Link</a>
</li>
<li class="nav-item">
<a class="nav-link disabled">Disabled</a>
</li>
</ul>
{{< /example >}}
### Fill and justify
Force your `.nav`'s contents to extend the full available width one of two modifier classes. To proportionately fill all available space with your `.nav-item`s, use `.nav-fill`. Notice that all horizontal space is occupied, but not every nav item has the same width.
{{< example >}}
<ul class="nav nav-pills nav-fill">
<li class="nav-item">
<a class="nav-link active" href="#">Active</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Much longer nav link</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Link</a>
</li>
<li class="nav-item">
<a class="nav-link disabled">Disabled</a>
</li>
</ul>
{{< /example >}}
When using a `<nav>`-based navigation, you can safely omit `.nav-item` as only `.nav-link` is required for styling `<a>` elements.
{{< example >}}
<nav class="nav nav-pills nav-fill">
<a class="nav-link active" href="#">Active</a>
<a class="nav-link" href="#">Much longer nav link</a>
<a class="nav-link" href="#">Link</a>
<a class="nav-link disabled">Disabled</a>
</nav>
{{< /example >}}
For equal-width elements, use `.nav-justified`. All horizontal space will be occupied by nav links, but unlike the `.nav-fill` above, every nav item will be the same width.
{{< example >}}
<ul class="nav nav-pills nav-justified">
<li class="nav-item">
<a class="nav-link active" href="#">Active</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Much longer nav link</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Link</a>
</li>
<li class="nav-item">
<a class="nav-link disabled">Disabled</a>
</li>
</ul>
{{< /example >}}
Similar to the `.nav-fill` example using a `<nav>`-based navigation.
{{< example >}}
<nav class="nav nav-pills nav-justified">
<a class="nav-link active" href="#">Active</a>
<a class="nav-link" href="#">Much longer nav link</a>
<a class="nav-link" href="#">Link</a>
<a class="nav-link disabled">Disabled</a>
</nav>
{{< /example >}}
## Working with flex utilities
If you need responsive nav variations, consider using a series of [flexbox utilities]({{< docsref "/utilities/flex" >}}). While more verbose, these utilities offer greater customization across responsive breakpoints. In the example below, our nav will be stacked on the lowest breakpoint, then adapt to a horizontal layout that fills the available width starting from the small breakpoint.
{{< example >}}
<nav class="nav nav-pills flex-column flex-sm-row">
<a class="flex-sm-fill text-sm-center nav-link active" href="#">Active</a>
<a class="flex-sm-fill text-sm-center nav-link" href="#">Longer nav link</a>
<a class="flex-sm-fill text-sm-center nav-link" href="#">Link</a>
<a class="flex-sm-fill text-sm-center nav-link disabled">Disabled</a>
</nav>
{{< /example >}}
## Regarding accessibility
If you're using navs to provide a navigation bar, be sure to add a `role="navigation"` to the most logical parent container of the `<ul>`, or wrap a `<nav>` element around the whole navigation. Do not add the role to the `<ul>` itself, as this would prevent it from being announced as an actual list by assistive technologies.
Note that navigation bars, even if visually styled as tabs with the `.nav-tabs` class, should **not** be given `role="tablist"`, `role="tab"` or `role="tabpanel"` attributes. These are only appropriate for dynamic tabbed interfaces, as described in the [ARIA Authoring Practices Guide tabs pattern](https://www.w3.org/WAI/ARIA/apg/patterns/tabpanel/). See [JavaScript behavior](#javascript-behavior) for dynamic tabbed interfaces in this section for an example.
## Using dropdowns
Add dropdown menus with a little extra HTML and the [dropdowns JavaScript plugin]({{< docsref "/components/dropdowns#usage" >}}).
### Tabs with dropdowns
{{< example >}}
<ul class="nav nav-tabs">
<li class="nav-item">
<a class="nav-link active" href="#">Active</a>
</li>
<li class="nav-item dropdown">
<a class="nav-link dropdown-toggle" data-toggle="dropdown" href="#" role="button" aria-expanded="false">Dropdown</a>
<div class="dropdown-menu">
<a class="dropdown-item" href="#">Action</a>
<a class="dropdown-item" href="#">Another action</a>
<a class="dropdown-item" href="#">Something else here</a>
<div class="dropdown-divider"></div>
<a class="dropdown-item" href="#">Separated link</a>
</div>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Link</a>
</li>
<li class="nav-item">
<a class="nav-link disabled">Disabled</a>
</li>
</ul>
{{< /example >}}
### Pills with dropdowns
{{< example >}}
<ul class="nav nav-pills">
<li class="nav-item">
<a class="nav-link active" href="#">Active</a>
</li>
<li class="nav-item dropdown">
<a class="nav-link dropdown-toggle" data-toggle="dropdown" href="#" role="button" aria-expanded="false">Dropdown</a>
<div class="dropdown-menu">
<a class="dropdown-item" href="#">Action</a>
<a class="dropdown-item" href="#">Another action</a>
<a class="dropdown-item" href="#">Something else here</a>
<div class="dropdown-divider"></div>
<a class="dropdown-item" href="#">Separated link</a>
</div>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Link</a>
</li>
<li class="nav-item">
<a class="nav-link disabled">Disabled</a>
</li>
</ul>
{{< /example >}}
## JavaScript behavior
Use the tab JavaScript plugin—include it individually or through the compiled `bootstrap.js` file—to extend our navigational tabs and pills to create tabbable panes of local content.
If you're building our JavaScript from source, it [requires `util.js`]({{< docsref "/getting-started/javascript#util" >}}).
Dynamic tabbed interfaces, as described in the [ARIA Authoring Practices Guide tabs pattern](https://www.w3.org/WAI/ARIA/apg/patterns/tabpanel/), require `role="tablist"`, `role="tab"`, `role="tabpanel"`, and additional `aria-` attributes in order to convey their structure, functionality and current state to users of assistive technologies (such as screen readers). As a best practice, we recommend using `<button>` elements for the tabs, as these are controls that trigger a dynamic change, rather than links that navigate to a new page or location.
{{< callout danger >}}
Note that the tab JavaScript plugin **does not** support tabbed interfaces that contain dropdown menus, as these cause both usability and accessibility issues. From a usability perspective, the fact that the currently displayed tab's trigger element is not immediately visible (as it's inside the closed dropdown menu) can cause confusion. From an accessibility point of view, there is currently no sensible way to map this sort of construct to a standard WAI ARIA pattern, meaning that it cannot be easily made understandable to users of assistive technologies.
{{< /callout >}}
<div class="bd-example bd-example-tabs">
<ul class="nav nav-tabs" id="myTab" role="tablist">
<li class="nav-item" role="presentation">
<button class="nav-link active" id="home-tab" data-toggle="tab" data-target="#home" type="button" role="tab" aria-controls="home" aria-selected="true">Home</button>
</li>
<li class="nav-item" role="presentation">
<button class="nav-link" id="profile-tab" data-toggle="tab" data-target="#profile" type="button" role="tab" aria-controls="profile" aria-selected="false">Profile</button>
</li>
<li class="nav-item" role="presentation">
<button class="nav-link" id="contact-tab" data-toggle="tab" data-target="#contact" type="button" role="tab" aria-controls="contact" aria-selected="false">Contact</button>
</li>
</ul>
<div class="tab-content" id="myTabContent">
<div class="tab-pane fade show active" id="home" role="tabpanel" aria-labelledby="home-tab">
<p>Placeholder content for the tab panel. This one relates to the home tab. Takes you miles high, so high, 'cause she’s got that one international smile. There's a stranger in my bed, there's a pounding in my head. Oh, no. In another life I would make you stay. ‘Cause I, I’m capable of anything. Suiting up for my crowning battle. Used to steal your parents' liquor and climb to the roof. Tone, tan fit and ready, turn it up cause its gettin' heavy. Her love is like a drug. I guess that I forgot I had a choice.</p>
</div>
<div class="tab-pane fade" id="profile" role="tabpanel" aria-labelledby="profile-tab">
<p>Placeholder content for the tab panel. This one relates to the profile tab. You got the finest architecture. Passport stamps, she's cosmopolitan. Fine, fresh, fierce, we got it on lock. Never planned that one day I'd be losing you. She eats your heart out. Your kiss is cosmic, every move is magic. I mean the ones, I mean like she's the one. Greetings loved ones let's take a journey. Just own the night like the 4th of July! But you'd rather get wasted.</p>
</div>
<div class="tab-pane fade" id="contact" role="tabpanel" aria-labelledby="contact-tab">
<p>Placeholder content for the tab panel. This one relates to the contact tab. Her love is like a drug. All my girls vintage Chanel baby. Got a motel and built a fort out of sheets. 'Cause she's the muse and the artist. (This is how we do) So you wanna play with magic. So just be sure before you give it all to me. I'm walking, I'm walking on air (tonight). Skip the talk, heard it all, time to walk the walk. Catch her if you can. Stinging like a bee I earned my stripes.</p>
</div>
</div>
</div>
```html
<ul class="nav nav-tabs" id="myTab" role="tablist">
<li class="nav-item" role="presentation">
<button class="nav-link active" id="home-tab" data-toggle="tab" data-target="#home" type="button" role="tab" aria-controls="home" aria-selected="true">Home</button>
</li>
<li class="nav-item" role="presentation">
<button class="nav-link" id="profile-tab" data-toggle="tab" data-target="#profile" type="button" role="tab" aria-controls="profile" aria-selected="false">Profile</button>
</li>
<li class="nav-item" role="presentation">
<button class="nav-link" id="contact-tab" data-toggle="tab" data-target="#contact" type="button" role="tab" aria-controls="contact" aria-selected="false">Contact</button>
</li>
</ul>
<div class="tab-content" id="myTabContent">
<div class="tab-pane fade show active" id="home" role="tabpanel" aria-labelledby="home-tab">...</div>
<div class="tab-pane fade" id="profile" role="tabpanel" aria-labelledby="profile-tab">...</div>
<div class="tab-pane fade" id="contact" role="tabpanel" aria-labelledby="contact-tab">...</div>
</div>
```
To help fit your needs, this works with `<ul>`-based markup, as shown above, or with any arbitrary "roll your own" markup. Note that if you're using `<nav>`, you shouldn't add `role="tablist"` directly to it, as this would override the element's native role as a navigation landmark. Instead, switch to an alternative element (in the example below, a simple `<div>`) and wrap the `<nav>` around it.
<div class="bd-example bd-example-tabs">
<nav>
<div class="nav nav-tabs" id="nav-tab" role="tablist">
<button class="nav-link active" id="nav-home-tab" data-toggle="tab" data-target="#nav-home" type="button" role="tab" aria-controls="nav-home" aria-selected="true">Home</button>
<button class="nav-link" id="nav-profile-tab" data-toggle="tab" data-target="#nav-profile" type="button" role="tab" aria-controls="nav-profile" aria-selected="false">Profile</button>
<button class="nav-link" id="nav-contact-tab" data-toggle="tab" data-target="#nav-contact" type="button" role="tab" aria-controls="nav-contact" aria-selected="false">Contact</button>
</div>
</nav>
<div class="tab-content" id="nav-tabContent">
<div class="tab-pane fade show active" id="nav-home" role="tabpanel" aria-labelledby="nav-home-tab">
<p>Placeholder content for the tab panel. This one relates to the home tab. Takes you miles high, so high, 'cause she’s got that one international smile. There's a stranger in my bed, there's a pounding in my head. Oh, no. In another life I would make you stay. ‘Cause I, I’m capable of anything. Suiting up for my crowning battle. Used to steal your parents' liquor and climb to the roof. Tone, tan fit and ready, turn it up cause its gettin' heavy. Her love is like a drug. I guess that I forgot I had a choice.</p>
</div>
<div class="tab-pane fade" id="nav-profile" role="tabpanel" aria-labelledby="nav-profile-tab">
<p>Placeholder content for the tab panel. This one relates to the profile tab. You got the finest architecture. Passport stamps, she's cosmopolitan. Fine, fresh, fierce, we got it on lock. Never planned that one day I'd be losing you. She eats your heart out. Your kiss is cosmic, every move is magic. I mean the ones, I mean like she's the one. Greetings loved ones let's take a journey. Just own the night like the 4th of July! But you'd rather get wasted.</p>
</div>
<div class="tab-pane fade" id="nav-contact" role="tabpanel" aria-labelledby="nav-contact-tab">
<p>Placeholder content for the tab panel. This one relates to the contact tab. Her love is like a drug. All my girls vintage Chanel baby. Got a motel and built a fort out of sheets. 'Cause she's the muse and the artist. (This is how we do) So you wanna play with magic. So just be sure before you give it all to me. I'm walking, I'm walking on air (tonight). Skip the talk, heard it all, time to walk the walk. Catch her if you can. Stinging like a bee I earned my stripes.</p>
</div>
</div>
</div>
```html
<nav>
<div class="nav nav-tabs" id="nav-tab" role="tablist">
<button class="nav-link active" id="nav-home-tab" data-toggle="tab" data-target="#nav-home" type="button" role="tab" aria-controls="nav-home" aria-selected="true">Home</button>
<button class="nav-link" id="nav-profile-tab" data-toggle="tab" data-target="#nav-profile" type="button" role="tab" aria-controls="nav-profile" aria-selected="false">Profile</button>
<button class="nav-link" id="nav-contact-tab" data-toggle="tab" data-target="#nav-contact" type="button" role="tab" aria-controls="nav-contact" aria-selected="false">Contact</button>
</div>
</nav>
<div class="tab-content" id="nav-tabContent">
<div class="tab-pane fade show active" id="nav-home" role="tabpanel" aria-labelledby="nav-home-tab">...</div>
<div class="tab-pane fade" id="nav-profile" role="tabpanel" aria-labelledby="nav-profile-tab">...</div>
<div class="tab-pane fade" id="nav-contact" role="tabpanel" aria-labelledby="nav-contact-tab">...</div>
</div>
```
The tabs plugin also works with pills.
<div class="bd-example bd-example-tabs">
<ul class="nav nav-pills mb-3" id="pills-tab" role="tablist">
<li class="nav-item" role="presentation">
<button class="nav-link active" id="pills-home-tab" data-toggle="pill" data-target="#pills-home" type="button" role="tab" aria-controls="pills-home" aria-selected="true">Home</button>
</li>
<li class="nav-item" role="presentation">
<button class="nav-link" id="pills-profile-tab" data-toggle="pill" data-target="#pills-profile" type="button" role="tab" aria-controls="pills-profile" aria-selected="false">Profile</button>
</li>
<li class="nav-item" role="presentation">
<button class="nav-link" id="pills-contact-tab" data-toggle="pill" data-target="#pills-contact" type="button" role="tab" aria-controls="pills-contact" aria-selected="false">Contact</button>
</li>
</ul>
<div class="tab-content" id="pills-tabContent">
<div class="tab-pane fade show active" id="pills-home" role="tabpanel" aria-labelledby="pills-home-tab">
<p>Placeholder content for the tab panel. This one relates to the home tab. Takes you miles high, so high, 'cause she’s got that one international smile. There's a stranger in my bed, there's a pounding in my head. Oh, no. In another life I would make you stay. ‘Cause I, I’m capable of anything. Suiting up for my crowning battle. Used to steal your parents' liquor and climb to the roof. Tone, tan fit and ready, turn it up cause its gettin' heavy. Her love is like a drug. I guess that I forgot I had a choice.</p>
</div>
<div class="tab-pane fade" id="pills-profile" role="tabpanel" aria-labelledby="pills-profile-tab">
<p>Placeholder content for the tab panel. This one relates to the profile tab. You got the finest architecture. Passport stamps, she's cosmopolitan. Fine, fresh, fierce, we got it on lock. Never planned that one day I'd be losing you. She eats your heart out. Your kiss is cosmic, every move is magic. I mean the ones, I mean like she's the one. Greetings loved ones let's take a journey. Just own the night like the 4th of July! But you'd rather get wasted.</p>
</div>
<div class="tab-pane fade" id="pills-contact" role="tabpanel" aria-labelledby="pills-contact-tab">
<p>Placeholder content for the tab panel. This one relates to the contact tab. Her love is like a drug. All my girls vintage Chanel baby. Got a motel and built a fort out of sheets. 'Cause she's the muse and the artist. (This is how we do) So you wanna play with magic. So just be sure before you give it all to me. I'm walking, I'm walking on air (tonight). Skip the talk, heard it all, time to walk the walk. Catch her if you can. Stinging like a bee I earned my stripes.</p>
</div>
</div>
</div>
```html
<ul class="nav nav-pills mb-3" id="pills-tab" role="tablist">
<li class="nav-item" role="presentation">
<button class="nav-link active" id="pills-home-tab" data-toggle="pill" data-target="#pills-home" type="button" role="tab" aria-controls="pills-home" aria-selected="true">Home</button>
</li>
<li class="nav-item" role="presentation">
<button class="nav-link" id="pills-profile-tab" data-toggle="pill" data-target="#pills-profile" type="button" role="tab" aria-controls="pills-profile" aria-selected="false">Profile</button>
</li>
<li class="nav-item" role="presentation">
<button class="nav-link" id="pills-contact-tab" data-toggle="pill" data-target="#pills-contact" type="button" role="tab" aria-controls="pills-contact" aria-selected="false">Contact</button>
</li>
</ul>
<div class="tab-content" id="pills-tabContent">
<div class="tab-pane fade show active" id="pills-home" role="tabpanel" aria-labelledby="pills-home-tab">...</div>
<div class="tab-pane fade" id="pills-profile" role="tabpanel" aria-labelledby="pills-profile-tab">...</div>
<div class="tab-pane fade" id="pills-contact" role="tabpanel" aria-labelledby="pills-contact-tab">...</div>
</div>
```
And with vertical pills.
<div class="bd-example bd-example-tabs">
<div class="row">
<div class="col-3">
<div class="nav flex-column nav-pills" id="v-pills-tab" role="tablist" aria-orientation="vertical">
<button class="nav-link active" id="v-pills-home-tab" data-toggle="pill" data-target="#v-pills-home" type="button" role="tab" aria-controls="v-pills-home" aria-selected="true">Home</button>
<button class="nav-link" id="v-pills-profile-tab" data-toggle="pill" data-target="#v-pills-profile" type="button" role="tab" aria-controls="v-pills-profile" aria-selected="false">Profile</button>
<button class="nav-link" id="v-pills-messages-tab" data-toggle="pill" data-target="#v-pills-messages" type="button" role="tab" aria-controls="v-pills-messages" aria-selected="false">Messages</button>
<button class="nav-link" id="v-pills-settings-tab" data-toggle="pill" data-target="#v-pills-settings" type="button" role="tab" aria-controls="v-pills-settings" aria-selected="false">Settings</button>
</div>
</div>
<div class="col-9">
<div class="tab-content" id="v-pills-tabContent">
<div class="tab-pane fade show active" id="v-pills-home" role="tabpanel" aria-labelledby="v-pills-home-tab">
<p>Placeholder content for the tab panel. This one relates to the home tab. Saw you downtown singing the Blues. Watch you circle the drain. Why don't you let me stop by? Heavy is the head that wears the crown. Yes, we make angels cry, raining down on earth from up above. Wanna see the show in 3D, a movie. Do you ever feel, feel so paper thin. It’s a yes or no, no maybe.</p>
</div>
<div class="tab-pane fade" id="v-pills-profile" role="tabpanel" aria-labelledby="v-pills-profile-tab">
<p>Placeholder content for the tab panel. This one relates to the profile tab. Takes you miles high, so high, 'cause she’s got that one international smile. There's a stranger in my bed, there's a pounding in my head. Oh, no. In another life I would make you stay. ‘Cause I, I’m capable of anything. Suiting up for my crowning battle. Used to steal your parents' liquor and climb to the roof. Tone, tan fit and ready, turn it up cause its gettin' heavy. Her love is like a drug. I guess that I forgot I had a choice.</p>
</div>
<div class="tab-pane fade" id="v-pills-messages" role="tabpanel" aria-labelledby="v-pills-messages-tab">
<p>Placeholder content for the tab panel. This one relates to the messages tab. You got the finest architecture. Passport stamps, she's cosmopolitan. Fine, fresh, fierce, we got it on lock. Never planned that one day I'd be losing you. She eats your heart out. Your kiss is cosmic, every move is magic. I mean the ones, I mean like she's the one. Greetings loved ones let's take a journey. Just own the night like the 4th of July! But you'd rather get wasted.</p>
</div>
<div class="tab-pane fade" id="v-pills-settings" role="tabpanel" aria-labelledby="v-pills-settings-tab">
<p>Placeholder content for the tab panel. This one relates to the settings tab. Her love is like a drug. All my girls vintage Chanel baby. Got a motel and built a fort out of sheets. 'Cause she's the muse and the artist. (This is how we do) So you wanna play with magic. So just be sure before you give it all to me. I'm walking, I'm walking on air (tonight). Skip the talk, heard it all, time to walk the walk. Catch her if you can. Stinging like a bee I earned my stripes.</p>
</div>
</div>
</div>
</div>
</div>
```html
<div class="row">
<div class="col-3">
<div class="nav flex-column nav-pills" id="v-pills-tab" role="tablist" aria-orientation="vertical">
<button class="nav-link active" id="v-pills-home-tab" data-toggle="pill" data-target="#v-pills-home" type="button" role="tab" aria-controls="v-pills-home" aria-selected="true">Home</button>
<button class="nav-link" id="v-pills-profile-tab" data-toggle="pill" data-target="#v-pills-profile" type="button" role="tab" aria-controls="v-pills-profile" aria-selected="false">Profile</button>
<button class="nav-link" id="v-pills-messages-tab" data-toggle="pill" data-target="#v-pills-messages" type="button" role="tab" aria-controls="v-pills-messages" aria-selected="false">Messages</button>
<button class="nav-link" id="v-pills-settings-tab" data-toggle="pill" data-target="#v-pills-settings" type="button" role="tab" aria-controls="v-pills-settings" aria-selected="false">Settings</button>
</div>
</div>
<div class="col-9">
<div class="tab-content" id="v-pills-tabContent">
<div class="tab-pane fade show active" id="v-pills-home" role="tabpanel" aria-labelledby="v-pills-home-tab">...</div>
<div class="tab-pane fade" id="v-pills-profile" role="tabpanel" aria-labelledby="v-pills-profile-tab">...</div>
<div class="tab-pane fade" id="v-pills-messages" role="tabpanel" aria-labelledby="v-pills-messages-tab">...</div>
<div class="tab-pane fade" id="v-pills-settings" role="tabpanel" aria-labelledby="v-pills-settings-tab">...</div>
</div>
</div>
</div>
```
### Using data attributes
You can activate a tab or pill navigation without writing any JavaScript by simply specifying `data-toggle="tab"` or `data-toggle="pill"` on an element. Use these data attributes on `.nav-tabs` or `.nav-pills`.
```html
<!-- Nav tabs -->
<ul class="nav nav-tabs" id="myTab" role="tablist">
<li class="nav-item" role="presentation">
<button class="nav-link active" id="home-tab" data-toggle="tab" data-target="#home" type="button" role="tab" aria-controls="home" aria-selected="true">Home</button>
</li>
<li class="nav-item" role="presentation">
<button class="nav-link" id="profile-tab" data-toggle="tab" data-target="#profile" type="button" role="tab" aria-controls="profile" aria-selected="false">Profile</button>
</li>
<li class="nav-item" role="presentation">
<button class="nav-link" id="messages-tab" data-toggle="tab" data-target="#messages" type="button" role="tab" aria-controls="messages" aria-selected="false">Messages</button>
</li>
<li class="nav-item" role="presentation">
<button class="nav-link" id="settings-tab" data-toggle="tab" data-target="#settings" type="button" role="tab" aria-controls="settings" aria-selected="false">Settings</button>
</li>
</ul>
<!-- Tab panes -->
<div class="tab-content">
<div class="tab-pane active" id="home" role="tabpanel" aria-labelledby="home-tab">...</div>
<div class="tab-pane" id="profile" role="tabpanel" aria-labelledby="profile-tab">...</div>
<div class="tab-pane" id="messages" role="tabpanel" aria-labelledby="messages-tab">...</div>
<div class="tab-pane" id="settings" role="tabpanel" aria-labelledby="settings-tab">...</div>
</div>
```
### Via JavaScript
Enable tabbable tabs via JavaScript (each tab needs to be activated individually):
```js
$('#myTab button').on('click', function (event) {
event.preventDefault()
$(this).tab('show')
})
```
You can activate individual tabs in several ways:
```js
$('#myTab button[data-target="#profile"]').tab('show') // Select tab by name
$('#myTab li:first-child button').tab('show') // Select first tab
$('#myTab li:last-child button').tab('show') // Select last tab
$('#myTab li:nth-child(3) button').tab('show') // Select third tab
```
### Fade effect
To make tabs fade in, add `.fade` to each `.tab-pane`. The first tab pane must also have `.show` to make the initial content visible.
```html
<div class="tab-content">
<div class="tab-pane fade show active" id="home" role="tabpanel" aria-labelledby="home-tab">...</div>
<div class="tab-pane fade" id="profile" role="tabpanel" aria-labelledby="profile-tab">...</div>
<div class="tab-pane fade" id="messages" role="tabpanel" aria-labelledby="messages-tab">...</div>
<div class="tab-pane fade" id="settings" role="tabpanel" aria-labelledby="settings-tab">...</div>
</div>
```
### Methods
{{< callout danger >}}
{{< partial "callout-danger-async-methods.md" >}}
{{< /callout >}}
#### $().tab
Activates a tab element and content container. Tab should have either a `data-target` or, if using a link, an `href` attribute targeting a container node in the DOM.
```html
<ul class="nav nav-tabs" id="myTab" role="tablist">
<li class="nav-item" role="presentation">
<button class="nav-link active" id="home-tab" data-toggle="tab" data-target="#home" type="button" role="tab" aria-controls="home" aria-selected="true">Home</button>
</li>
<li class="nav-item" role="presentation">
<button class="nav-link" id="profile-tab" data-toggle="tab" data-target="#profile" type="button" role="tab" aria-controls="profile" aria-selected="false">Profile</button>
</li>
<li class="nav-item" role="presentation">
<button class="nav-link" id="messages-tab" data-toggle="tab" data-target="#messages" type="button" role="tab" aria-controls="messages" aria-selected="false">Messages</button>
</li>
<li class="nav-item" role="presentation">
<button class="nav-link" id="settings-tab" data-toggle="tab" data-target="#settings" type="button" role="tab" aria-controls="settings" aria-selected="false">Settings</button>
</li>
</ul>
<div class="tab-content">
<div class="tab-pane active" id="home" role="tabpanel" aria-labelledby="home-tab">...</div>
<div class="tab-pane" id="profile" role="tabpanel" aria-labelledby="profile-tab">...</div>
<div class="tab-pane" id="messages" role="tabpanel" aria-labelledby="messages-tab">...</div>
<div class="tab-pane" id="settings" role="tabpanel" aria-labelledby="settings-tab">...</div>
</div>
<script>
$(function () {
$('#myTab li:last-child button').tab('show')
})
</script>
```
#### .tab('show')
Selects the given tab and shows its associated pane. Any other tab that was previously selected becomes unselected and its associated pane is hidden. **Returns to the caller before the tab pane has actually been shown** (i.e. before the `shown.bs.tab` event occurs).
```js
$('#someTab').tab('show')
```
#### .tab('dispose')
Destroys an element's tab.
### Events
When showing a new tab, the events fire in the following order:
1. `hide.bs.tab` (on the current active tab)
2. `show.bs.tab` (on the to-be-shown tab)
3. `hidden.bs.tab` (on the previous active tab, the same one as for the `hide.bs.tab` event)
4. `shown.bs.tab` (on the newly-active just-shown tab, the same one as for the `show.bs.tab` event)
If no tab was already active, then the `hide.bs.tab` and `hidden.bs.tab` events will not be fired.
<table class="table table-bordered table-striped">
<thead>
<tr>
<th style="width: 150px;">Event Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td>show.bs.tab</td>
<td>This event fires on tab show, but before the new tab has been shown. Use <code>event.target</code> and <code>event.relatedTarget</code> to target the active tab and the previous active tab (if available) respectively.</td>
</tr>
<tr>
<td>shown.bs.tab</td>
<td>This event fires on tab show after a tab has been shown. Use <code>event.target</code> and <code>event.relatedTarget</code> to target the active tab and the previous active tab (if available) respectively.</td>
</tr>
<tr>
<td>hide.bs.tab</td>
<td>This event fires when a new tab is to be shown (and thus the previous active tab is to be hidden). Use <code>event.target</code> and <code>event.relatedTarget</code> to target the current active tab and the new soon-to-be-active tab, respectively.</td>
</tr>
<tr>
<td>hidden.bs.tab</td>
<td>This event fires after a new tab is shown (and thus the previous active tab is hidden). Use <code>event.target</code> and <code>event.relatedTarget</code> to target the previous active tab and the new active tab, respectively.</td>
</tr>
</tbody>
</table>
```js
$('button[data-toggle="tab"]').on('shown.bs.tab', function (event) {
event.target // newly activated tab
event.relatedTarget // previous active tab
})
```

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---
layout: docs
title: Pagination
description: Documentation and examples for showing pagination to indicate a series of related content exists across multiple pages.
group: components
toc: true
---
## Overview
We use a large block of connected links for our pagination, making links hard to miss and easily scalable—all while providing large hit areas. Pagination is built with list HTML elements so screen readers can announce the number of available links. Use a wrapping `<nav>` element to identify it as a navigation section to screen readers and other assistive technologies.
In addition, as pages likely have more than one such navigation section, it's advisable to provide a descriptive `aria-label` for the `<nav>` to reflect its purpose. For example, if the pagination component is used to navigate between a set of search results, an appropriate label could be `aria-label="Search results pages"`.
{{< example >}}
<nav aria-label="Page navigation example">
<ul class="pagination">
<li class="page-item"><a class="page-link" href="#">Previous</a></li>
<li class="page-item"><a class="page-link" href="#">1</a></li>
<li class="page-item"><a class="page-link" href="#">2</a></li>
<li class="page-item"><a class="page-link" href="#">3</a></li>
<li class="page-item"><a class="page-link" href="#">Next</a></li>
</ul>
</nav>
{{< /example >}}
## Working with icons
Looking to use an icon or symbol in place of text for some pagination links? Be sure to provide proper screen reader support with `aria` attributes.
{{< example >}}
<nav aria-label="Page navigation example">
<ul class="pagination">
<li class="page-item">
<a class="page-link" href="#" aria-label="Previous">
<span aria-hidden="true">&laquo;</span>
</a>
</li>
<li class="page-item"><a class="page-link" href="#">1</a></li>
<li class="page-item"><a class="page-link" href="#">2</a></li>
<li class="page-item"><a class="page-link" href="#">3</a></li>
<li class="page-item">
<a class="page-link" href="#" aria-label="Next">
<span aria-hidden="true">&raquo;</span>
</a>
</li>
</ul>
</nav>
{{< /example >}}
## Disabled and active states
Pagination links are customizable for different circumstances. Use `.disabled` for links that appear un-clickable and `.active` to indicate the current page.
While the `.disabled` class uses `pointer-events: none` to _try_ to disable the link functionality of `<a>`s, that CSS property is not yet standardized and doesn't account for keyboard navigation. As such, you should always add `tabindex="-1"` on disabled links and use custom JavaScript to fully disable their functionality.
{{< example >}}
<nav aria-label="...">
<ul class="pagination">
<li class="page-item disabled">
<a class="page-link">Previous</a>
</li>
<li class="page-item"><a class="page-link" href="#">1</a></li>
<li class="page-item active" aria-current="page">
<a class="page-link" href="#">2</a>
</li>
<li class="page-item"><a class="page-link" href="#">3</a></li>
<li class="page-item">
<a class="page-link" href="#">Next</a>
</li>
</ul>
</nav>
{{< /example >}}
You can optionally swap out active or disabled anchors for `<span>`, or omit the anchor in the case of the prev/next arrows, to remove click functionality and prevent keyboard focus while retaining intended styles.
{{< example >}}
<nav aria-label="...">
<ul class="pagination">
<li class="page-item disabled">
<span class="page-link">Previous</span>
</li>
<li class="page-item"><a class="page-link" href="#">1</a></li>
<li class="page-item active" aria-current="page">
<span class="page-link">2</span>
</li>
<li class="page-item"><a class="page-link" href="#">3</a></li>
<li class="page-item">
<a class="page-link" href="#">Next</a>
</li>
</ul>
</nav>
{{< /example >}}
## Sizing
Fancy larger or smaller pagination? Add `.pagination-lg` or `.pagination-sm` for additional sizes.
{{< example >}}
<nav aria-label="...">
<ul class="pagination pagination-lg">
<li class="page-item active" aria-current="page">
<span class="page-link">1</span>
</li>
<li class="page-item"><a class="page-link" href="#">2</a></li>
<li class="page-item"><a class="page-link" href="#">3</a></li>
</ul>
</nav>
{{< /example >}}
{{< example >}}
<nav aria-label="...">
<ul class="pagination pagination-sm">
<li class="page-item active" aria-current="page">
<span class="page-link">1</span>
</li>
<li class="page-item"><a class="page-link" href="#">2</a></li>
<li class="page-item"><a class="page-link" href="#">3</a></li>
</ul>
</nav>
{{< /example >}}
## Alignment
Change the alignment of pagination components with [flexbox utilities]({{< docsref "/utilities/flex" >}}).
{{< example >}}
<nav aria-label="Page navigation example">
<ul class="pagination justify-content-center">
<li class="page-item disabled">
<a class="page-link">Previous</a>
</li>
<li class="page-item"><a class="page-link" href="#">1</a></li>
<li class="page-item"><a class="page-link" href="#">2</a></li>
<li class="page-item"><a class="page-link" href="#">3</a></li>
<li class="page-item">
<a class="page-link" href="#">Next</a>
</li>
</ul>
</nav>
{{< /example >}}
{{< example >}}
<nav aria-label="Page navigation example">
<ul class="pagination justify-content-end">
<li class="page-item disabled">
<a class="page-link">Previous</a>
</li>
<li class="page-item"><a class="page-link" href="#">1</a></li>
<li class="page-item"><a class="page-link" href="#">2</a></li>
<li class="page-item"><a class="page-link" href="#">3</a></li>
<li class="page-item">
<a class="page-link" href="#">Next</a>
</li>
</ul>
</nav>
{{< /example >}}

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---
layout: docs
title: Popovers
description: Documentation and examples for adding Bootstrap popovers, like those found in iOS, to any element on your site.
group: components
toc: true
---
## Overview
Things to know when using the popover plugin:
- Popovers rely on the 3rd party library [Popper](https://popper.js.org/) for positioning. You must include [popper.min.js]({{< param "cdn.popper" >}}) before bootstrap.js or use `bootstrap.bundle.min.js` / `bootstrap.bundle.js` which contains Popper in order for popovers to work!
- Popovers require the [tooltip plugin]({{< docsref "/components/tooltips" >}}) as a dependency.
- If you're building our JavaScript from source, it [requires `util.js`]({{< docsref "/getting-started/javascript#util" >}}).
- Popovers are opt-in for performance reasons, so **you must initialize them yourself**.
- Zero-length `title` and `content` values will never show a popover.
- Specify `container: 'body'` to avoid rendering problems in more complex components (like our input groups, button groups, etc).
- Triggering popovers on hidden elements will not work.
- Popovers for `.disabled` or `disabled` elements must be triggered on a wrapper element.
- When triggered from anchors that wrap across multiple lines, popovers will be centered between the anchors' overall width. Use `.text-nowrap` on your `<a>`s to avoid this behavior.
- Popovers must be hidden before their corresponding elements have been removed from the DOM.
- Popovers can be triggered thanks to an element inside a shadow DOM.
{{< callout info >}}
{{< partial "callout-info-sanitizer.md" >}}
{{< /callout >}}
{{< callout info >}}
{{< partial "callout-info-prefersreducedmotion.md" >}}
{{< /callout >}}
Keep reading to see how popovers work with some examples.
## Example: Enable popovers everywhere
One way to initialize all popovers on a page would be to select them by their `data-toggle` attribute:
```js
$(function () {
$('[data-toggle="popover"]').popover()
})
```
## Example: Using the `container` option
When you have some styles on a parent element that interfere with a popover, you'll want to specify a custom `container` so that the popover's HTML appears within that element instead.
```js
$(function () {
$('.example-popover').popover({
container: 'body'
})
})
```
## Example
{{< example >}}
<button type="button" class="btn btn-lg btn-danger" data-toggle="popover" title="Popover title" data-content="And here's some amazing content. It's very engaging. Right?">Click to toggle popover</button>
{{< /example >}}
### Four directions
Four options are available: top, right, bottom, and left aligned.
{{< example >}}
<button type="button" class="btn btn-secondary" data-container="body" data-toggle="popover" data-placement="top" data-content="Top popover">
Popover on top
</button>
<button type="button" class="btn btn-secondary" data-container="body" data-toggle="popover" data-placement="right" data-content="Right popover">
Popover on right
</button>
<button type="button" class="btn btn-secondary" data-container="body" data-toggle="popover" data-placement="bottom" data-content="Bottom popover">
Popover on bottom
</button>
<button type="button" class="btn btn-secondary" data-container="body" data-toggle="popover" data-placement="left" data-content="Left popover">
Popover on left
</button>
{{< /example >}}
### Dismiss on next click
Use the `focus` trigger to dismiss popovers on the user's next click of a different element than the toggle element.
{{< callout danger >}}
#### Specific markup required for dismiss-on-next-click
For proper cross-browser and cross-platform behavior, you must use the `<a>` tag, _not_ the `<button>` tag, and you also must include a [`tabindex`](https://developer.mozilla.org/en-US/docs/Web/HTML/Global_attributes/tabindex) attribute.
{{< /callout >}}
{{< example >}}
<a tabindex="0" class="btn btn-lg btn-danger" role="button" data-toggle="popover" data-trigger="focus" title="Dismissible popover" data-content="And here's some amazing content. It's very engaging. Right?">Dismissible popover</a>
{{< /example >}}
```js
$('.popover-dismiss').popover({
trigger: 'focus'
})
```
### Disabled elements
Elements with the `disabled` attribute aren't interactive, meaning users cannot hover or click them to trigger a popover (or tooltip). As a workaround, you'll want to trigger the popover from a wrapper `<div>` or `<span>` and override the `pointer-events` on the disabled element.
For disabled popover triggers, you may also prefer `data-trigger="hover"` so that the popover appears as immediate visual feedback to your users as they may not expect to _click_ on a disabled element.
{{< example >}}
<span class="d-inline-block" data-toggle="popover" data-content="Disabled popover">
<button class="btn btn-primary" style="pointer-events: none;" type="button" disabled>Disabled button</button>
</span>
{{< /example >}}
## Usage
Enable popovers via JavaScript:
```js
$('#example').popover(options)
```
{{< callout warning >}}
##### GPU acceleration
Popovers sometimes appear blurry on Windows 10 devices due to GPU acceleration and a modified system DPI. The workaround for this in v4 is to disable GPU acceleration as needed on your popovers.
Suggested fix:
```js
Popper.Defaults.modifiers.computeStyle.gpuAcceleration = !(window.devicePixelRatio < 1.5 && /Win/.test(navigator.platform))
```
{{< /callout >}}
{{< callout warning >}}
### Making popovers work for keyboard and assistive technology users
To allow keyboard users to activate your popovers, you should only add them to HTML elements that are traditionally keyboard-focusable and interactive (such as links or form controls). Although arbitrary HTML elements (such as `<span>`s) can be made focusable by adding the `tabindex="0"` attribute, this will add potentially annoying and confusing tab stops on non-interactive elements for keyboard users, and most assistive technologies currently do not announce the popover's content in this situation. Additionally, do not rely solely on `hover` as the trigger for your popovers, as this will make them impossible to trigger for keyboard users.
While you can insert rich, structured HTML in popovers with the `html` option, we strongly recommend that you avoid adding an excessive amount of content. The way popovers currently work is that, once displayed, their content is tied to the trigger element with the `aria-describedby` attribute. As a result, the entirety of the popover's content will be announced to assistive technology users as one long, uninterrupted stream.
Additionally, while it is possible to also include interactive controls (such as form elements or links) in your popover (by adding these elements to the `whiteList` or allowed attributes and tags), be aware that currently the popover does not manage keyboard focus order. When a keyboard user opens a popover, focus remains on the triggering element, and as the popover usually does not immediately follow the trigger in the document's structure, there is no guarantee that moving forward/pressing <kbd>TAB</kbd> will move a keyboard user into the popover itself. In short, simply adding interactive controls to a popover is likely to make these controls unreachable/unusable for keyboard users and users of assistive technologies, or at the very least make for an illogical overall focus order. In these cases, consider using a modal dialog instead.
{{< /callout >}}
### Options
Options can be passed via data attributes or JavaScript. For data attributes, append the option name to `data-`, as in `data-animation=""`.
{{< callout warning >}}
Note that for security reasons the `sanitize`, `sanitizeFn` and `whiteList` options cannot be supplied using data attributes.
{{< /callout >}}
<table class="table table-bordered table-striped">
<thead>
<tr>
<th style="width: 100px;">Name</th>
<th style="width: 100px;">Type</th>
<th style="width: 50px;">Default</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td>animation</td>
<td>boolean</td>
<td>true</td>
<td>Apply a CSS fade transition to the popover</td>
</tr>
<tr>
<td>container</td>
<td>string | element | false</td>
<td>false</td>
<td>
<p>Appends the popover to a specific element. Example: <code>container: 'body'</code>. This option is particularly useful in that it allows you to position the popover in the flow of the document near the triggering element - which will prevent the popover from floating away from the triggering element during a window resize.</p>
</td>
</tr>
<tr>
<td>content</td>
<td>string | element | function</td>
<td>''</td>
<td>
<p>Default content value if <code>data-content</code> attribute isn't present.</p>
<p>If a function is given, it will be called with its <code>this</code> reference set to the element that the popover is attached to.</p>
</td>
</tr>
<tr>
<td>delay</td>
<td>number | object</td>
<td>0</td>
<td>
<p>Delay showing and hiding the popover (ms) - does not apply to manual trigger type</p>
<p>If a number is supplied, delay is applied to both hide/show</p>
<p>Object structure is: <code>delay: { "show": 500, "hide": 100 }</code></p>
</td>
</tr>
<tr>
<td>html</td>
<td>boolean</td>
<td>false</td>
<td>Insert HTML into the popover. If false, jQuery's <code>text</code> method will be used to insert content into the DOM. Use text if you're worried about XSS attacks.</td>
</tr>
<tr>
<td>placement</td>
<td>string | function</td>
<td>'right'</td>
<td>
<p>How to position the popover - auto | top | bottom | left | right.<br>When <code>auto</code> is specified, it will dynamically reorient the popover.</p>
<p>When a function is used to determine the placement, it is called with the popover DOM node as its first argument and the triggering element DOM node as its second. The <code>this</code> context is set to the popover instance.</p>
</td>
</tr>
<tr>
<td>selector</td>
<td>string | false</td>
<td>false</td>
<td>If a selector is provided, popover objects will be delegated to the specified targets. In practice, this is used to enable dynamic HTML content to have popovers added. See <a href="{{< param repo >}}/issues/4215">this</a> and <a href="https://codepen.io/team/bootstrap/pen/qBNGbYK">an informative example</a>.</td>
</tr>
<tr>
<td>template</td>
<td>string</td>
<td><code>'&lt;div class="popover" role="tooltip"&gt;&lt;div class="arrow"&gt;&lt;/div&gt;&lt;h3 class="popover-header"&gt;&lt;/h3&gt;&lt;div class="popover-body"&gt;&lt;/div&gt;&lt;/div&gt;'</code></td>
<td>
<p>Base HTML to use when creating the popover.</p>
<p>The popover's <code>title</code> will be injected into the <code>.popover-header</code>.</p>
<p>The popover's <code>content</code> will be injected into the <code>.popover-body</code>.</p>
<p><code>.arrow</code> will become the popover's arrow.</p>
<p>The outermost wrapper element should have the <code>.popover</code> class.</p>
</td>
</tr>
<tr>
<td>title</td>
<td>string | element | function</td>
<td>''</td>
<td>
<p>Default title value if <code>title</code> attribute isn't present.</p>
<p>If a function is given, it will be called with its <code>this</code> reference set to the element that the popover is attached to.</p>
</td>
</tr>
<tr>
<td>trigger</td>
<td>string</td>
<td>'click'</td>
<td>How popover is triggered - click | hover | focus | manual. You may pass multiple triggers; separate them with a space. <code>manual</code> cannot be combined with any other trigger.</td>
</tr>
<tr>
<td>offset</td>
<td>number | string</td>
<td>0</td>
<td>Offset of the popover relative to its target. For more information refer to Popper's <a href="https://popper.js.org/docs/v1/#modifiers..offset.offset">offset docs</a>.</td>
</tr>
<tr>
<td>fallbackPlacement</td>
<td>string | array</td>
<td>'flip'</td>
<td>Allow to specify which position Popper will use on fallback. For more information refer to
Popper's <a href="https://popper.js.org/docs/v1/#modifiers..flip.behavior">behavior docs</a></td>
</tr>
<tr>
<td>customClass</td>
<td>string | function</td>
<td>''</td>
<td>
<p>Add classes to the popover when it is shown. Note that these classes will be added in addition to any classes specified in the template. To add multiple classes, separate them with spaces: <code>'a b'</code>.</p>
<p>You can also pass a function that should return a single string containing additional class names.</p>
</td>
</tr>
<tr>
<td>boundary</td>
<td>string | element</td>
<td>'scrollParent'</td>
<td>Overflow constraint boundary of the popover. Accepts the values of <code>'viewport'</code>, <code>'window'</code>, <code>'scrollParent'</code>, or an HTMLElement reference (JavaScript only). For more information refer to Popper's <a href="https://popper.js.org/docs/v1/#modifiers..preventOverflow.boundariesElement">preventOverflow docs</a>.</td>
</tr>
<tr>
<td>sanitize</td>
<td>boolean</td>
<td>true</td>
<td>Enable or disable the sanitization. If activated <code>'template'</code>, <code>'content'</code> and <code>'title'</code> options will be sanitized. See the <a href="{{< docsref "/getting-started/javascript#sanitizer" >}}">sanitizer section in our JavaScript documentation</a>.</td>
</tr>
<tr>
<td>whiteList</td>
<td>object</td>
<td><a href="{{< docsref "/getting-started/javascript#sanitizer" >}}">Default value</a></td>
<td>Object which contains allowed attributes and tags</td>
</tr>
<tr>
<td>sanitizeFn</td>
<td>null | function</td>
<td>null</td>
<td>Here you can supply your own sanitize function. This can be useful if you prefer to use a dedicated library to perform sanitization.</td>
</tr>
<tr>
<td>popperConfig</td>
<td>null | object</td>
<td>null</td>
<td>To change Bootstrap's default Popper config, see <a href="https://popper.js.org/docs/v1/#Popper.Defaults">Popper's configuration</a></td>
</tr>
</tbody>
</table>
{{< callout info >}}
#### Data attributes for individual popovers
Options for individual popovers can alternatively be specified through the use of data attributes, as explained above.
{{< /callout >}}
### Methods
{{< callout danger >}}
{{< partial "callout-danger-async-methods.md" >}}
{{< /callout >}}
#### `$().popover(options)`
Initializes popovers for an element collection.
#### `.popover('show')`
Reveals an element's popover. **Returns to the caller before the popover has actually been shown** (i.e. before the `shown.bs.popover` event occurs). This is considered a "manual" triggering of the popover. Popovers whose title and content are both zero-length are never displayed.
```js
$('#element').popover('show')
```
#### `.popover('hide')`
Hides an element's popover. **Returns to the caller before the popover has actually been hidden** (i.e. before the `hidden.bs.popover` event occurs). This is considered a "manual" triggering of the popover.
```js
$('#element').popover('hide')
```
#### `.popover('toggle')`
Toggles an element's popover. **Returns to the caller before the popover has actually been shown or hidden** (i.e. before the `shown.bs.popover` or `hidden.bs.popover` event occurs). This is considered a "manual" triggering of the popover.
```js
$('#element').popover('toggle')
```
#### `.popover('dispose')`
Hides and destroys an element's popover. Popovers that use delegation (which are created using [the `selector` option](#options)) cannot be individually destroyed on descendant trigger elements.
```js
$('#element').popover('dispose')
```
#### `.popover('enable')`
Gives an element's popover the ability to be shown. **Popovers are enabled by default.**
```js
$('#element').popover('enable')
```
#### `.popover('disable')`
Removes the ability for an element's popover to be shown. The popover will only be able to be shown if it is re-enabled.
```js
$('#element').popover('disable')
```
#### `.popover('toggleEnabled')`
Toggles the ability for an element's popover to be shown or hidden.
```js
$('#element').popover('toggleEnabled')
```
#### `.popover('update')`
Updates the position of an element's popover.
```js
$('#element').popover('update')
```
### Events
<table class="table table-bordered table-striped">
<thead>
<tr>
<th style="width: 150px;">Event Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td>show.bs.popover</td>
<td>This event fires immediately when the <code>show</code> instance method is called.</td>
</tr>
<tr>
<td>shown.bs.popover</td>
<td>This event is fired when the popover has been made visible to the user (will wait for CSS transitions to complete).</td>
</tr>
<tr>
<td>hide.bs.popover</td>
<td>This event is fired immediately when the <code>hide</code> instance method has been called.</td>
</tr>
<tr>
<td>hidden.bs.popover</td>
<td>This event is fired when the popover has finished being hidden from the user (will wait for CSS transitions to complete).</td>
</tr>
<tr>
<td>inserted.bs.popover</td>
<td>This event is fired after the <code>show.bs.popover</code> event when the popover template has been added to the DOM.</td>
</tr>
</tbody>
</table>
```js
$('#myPopover').on('hidden.bs.popover', function () {
// do something...
})
```

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---
layout: docs
title: Progress
description: Documentation and examples for using Bootstrap custom progress bars featuring support for stacked bars, animated backgrounds, and text labels.
group: components
toc: true
---
## How it works
Progress components are built with two HTML elements, some CSS to set the width, and a few attributes. We don't use [the HTML5 `<progress>` element](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/progress), ensuring you can stack progress bars, animate them, and place text labels over them.
- We use the `.progress` as a wrapper to indicate the max value of the progress bar.
- We use the inner `.progress-bar` to indicate the progress so far.
- The `.progress-bar` requires an inline style, utility class, or custom CSS to set their width.
- The `.progress-bar` also requires some `role` and `aria` attributes to make it accessible.
Put that all together, and you have the following examples.
{{< example >}}
<div class="progress">
<div class="progress-bar" role="progressbar" aria-valuenow="0" aria-valuemin="0" aria-valuemax="100"></div>
</div>
<div class="progress">
<div class="progress-bar" role="progressbar" style="width: 25%" aria-valuenow="25" aria-valuemin="0" aria-valuemax="100"></div>
</div>
<div class="progress">
<div class="progress-bar" role="progressbar" style="width: 50%" aria-valuenow="50" aria-valuemin="0" aria-valuemax="100"></div>
</div>
<div class="progress">
<div class="progress-bar" role="progressbar" style="width: 75%" aria-valuenow="75" aria-valuemin="0" aria-valuemax="100"></div>
</div>
<div class="progress">
<div class="progress-bar" role="progressbar" style="width: 100%" aria-valuenow="100" aria-valuemin="0" aria-valuemax="100"></div>
</div>
{{< /example >}}
Bootstrap provides a handful of [utilities for setting width]({{< docsref "/utilities/sizing" >}}). Depending on your needs, these may help with quickly configuring progress.
{{< example >}}
<div class="progress">
<div class="progress-bar w-75" role="progressbar" aria-valuenow="75" aria-valuemin="0" aria-valuemax="100"></div>
</div>
{{< /example >}}
## Labels
Add labels to your progress bars by placing text within the `.progress-bar`.
{{< example >}}
<div class="progress">
<div class="progress-bar" role="progressbar" style="width: 25%;" aria-valuenow="25" aria-valuemin="0" aria-valuemax="100">25%</div>
</div>
{{< /example >}}
## Height
We only set a `height` value on the `.progress`, so if you change that value the inner `.progress-bar` will automatically resize accordingly.
{{< example >}}
<div class="progress" style="height: 1px;">
<div class="progress-bar" role="progressbar" style="width: 25%;" aria-valuenow="25" aria-valuemin="0" aria-valuemax="100"></div>
</div>
<div class="progress" style="height: 20px;">
<div class="progress-bar" role="progressbar" style="width: 25%;" aria-valuenow="25" aria-valuemin="0" aria-valuemax="100"></div>
</div>
{{< /example >}}
## Backgrounds
Use background utility classes to change the appearance of individual progress bars.
{{< example >}}
<div class="progress">
<div class="progress-bar bg-success" role="progressbar" style="width: 25%" aria-valuenow="25" aria-valuemin="0" aria-valuemax="100"></div>
</div>
<div class="progress">
<div class="progress-bar bg-info" role="progressbar" style="width: 50%" aria-valuenow="50" aria-valuemin="0" aria-valuemax="100"></div>
</div>
<div class="progress">
<div class="progress-bar bg-warning" role="progressbar" style="width: 75%" aria-valuenow="75" aria-valuemin="0" aria-valuemax="100"></div>
</div>
<div class="progress">
<div class="progress-bar bg-danger" role="progressbar" style="width: 100%" aria-valuenow="100" aria-valuemin="0" aria-valuemax="100"></div>
</div>
{{< /example >}}
## Multiple bars
Include multiple progress bars in a progress component if you need.
{{< example >}}
<div class="progress">
<div class="progress-bar" role="progressbar" style="width: 15%" aria-valuenow="15" aria-valuemin="0" aria-valuemax="100"></div>
<div class="progress-bar bg-success" role="progressbar" style="width: 30%" aria-valuenow="30" aria-valuemin="0" aria-valuemax="100"></div>
<div class="progress-bar bg-info" role="progressbar" style="width: 20%" aria-valuenow="20" aria-valuemin="0" aria-valuemax="100"></div>
</div>
{{< /example >}}
## Striped
Add `.progress-bar-striped` to any `.progress-bar` to apply a stripe via CSS gradient over the progress bar's background color.
{{< example >}}
<div class="progress">
<div class="progress-bar progress-bar-striped" role="progressbar" style="width: 10%" aria-valuenow="10" aria-valuemin="0" aria-valuemax="100"></div>
</div>
<div class="progress">
<div class="progress-bar progress-bar-striped bg-success" role="progressbar" style="width: 25%" aria-valuenow="25" aria-valuemin="0" aria-valuemax="100"></div>
</div>
<div class="progress">
<div class="progress-bar progress-bar-striped bg-info" role="progressbar" style="width: 50%" aria-valuenow="50" aria-valuemin="0" aria-valuemax="100"></div>
</div>
<div class="progress">
<div class="progress-bar progress-bar-striped bg-warning" role="progressbar" style="width: 75%" aria-valuenow="75" aria-valuemin="0" aria-valuemax="100"></div>
</div>
<div class="progress">
<div class="progress-bar progress-bar-striped bg-danger" role="progressbar" style="width: 100%" aria-valuenow="100" aria-valuemin="0" aria-valuemax="100"></div>
</div>
{{< /example >}}
## Animated stripes
The striped gradient can also be animated. Add `.progress-bar-animated` to `.progress-bar` to animate the stripes right to left via CSS3 animations.
<div class="bd-example">
<div class="progress">
<div class="progress-bar progress-bar-striped" role="progressbar" aria-valuenow="75" aria-valuemin="0" aria-valuemax="100" style="width: 75%"></div>
</div>
<button type="button" class="btn btn-secondary bd-toggle-animated-progress" data-toggle="button" aria-pressed="false">
Toggle animation
</button>
</div>
```html
<div class="progress">
<div class="progress-bar progress-bar-striped progress-bar-animated" role="progressbar" aria-valuenow="75" aria-valuemin="0" aria-valuemax="100" style="width: 75%"></div>
</div>
```

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---
layout: docs
title: Scrollspy
description: Automatically update Bootstrap navigation or list group components based on scroll position to indicate which link is currently active in the viewport.
group: components
toc: true
---
## How it works
Scrollspy has a few requirements to function properly:
- If you're building our JavaScript from source, it [requires `util.js`]({{< docsref "/getting-started/javascript#util" >}}).
- It must be used on a Bootstrap [nav component]({{< docsref "/components/navs" >}}) or [list group]({{< docsref "/components/list-group" >}}).
- Scrollspy requires `position: relative;` on the element you're spying on, usually the `<body>`.
- When spying on elements other than the `<body>`, be sure to have a `height` set and `overflow-y: scroll;` applied.
- Anchors (`<a>`) are required and must point to an element with that `id`.
When successfully implemented, your nav or list group will update accordingly, moving the `.active` class from one item to the next based on their associated targets.
## Example in navbar
Scroll the area below the navbar and watch the active class change. The dropdown items will be highlighted as well.
<div class="bd-example">
<nav id="navbar-example2" class="navbar navbar-light bg-light">
<a class="navbar-brand" href="#">Navbar</a>
<ul class="nav nav-pills">
<li class="nav-item">
<a class="nav-link" href="#fat">@fat</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#mdo">@mdo</a>
</li>
<li class="nav-item dropdown">
<a class="nav-link dropdown-toggle" data-toggle="dropdown" href="#" role="button" aria-expanded="false">Dropdown</a>
<div class="dropdown-menu">
<a class="dropdown-item" href="#one">one</a>
<a class="dropdown-item" href="#two">two</a>
<div role="separator" class="dropdown-divider"></div>
<a class="dropdown-item" href="#three">three</a>
</div>
</li>
</ul>
</nav>
<div data-spy="scroll" data-target="#navbar-example2" data-offset="0" class="scrollspy-example">
<h4 id="fat">@fat</h4>
<p>Placeholder content for the scrollspy example. You got the finest architecture. Passport stamps, she's cosmopolitan. Fine, fresh, fierce, we got it on lock. Never planned that one day I'd be losing you. She eats your heart out. Your kiss is cosmic, every move is magic. I mean the ones, I mean like she's the one. Greetings loved ones let's take a journey. Just own the night like the 4th of July! But you'd rather get wasted.</p>
<h4 id="mdo">@mdo</h4>
<p>Placeholder content for the scrollspy example. 'Cause she's the muse and the artist. (This is how we do) So you wanna play with magic. So just be sure before you give it all to me. I'm walking, I'm walking on air (tonight). Skip the talk, heard it all, time to walk the walk.</p>
<h4 id="one">one</h4>
<p>Placeholder content for the scrollspy example. Takes you miles high, so high, 'cause she’s got that one international smile. There's a stranger in my bed, there's a pounding in my head. Oh, no. In another life I would make you stay. ‘Cause I, I’m capable of anything. Suiting up for my crowning battle. Used to steal your parents' liquor and climb to the roof. Tone, tan fit and ready, turn it up cause its gettin' heavy. Her love is like a drug. I guess that I forgot I had a choice.</p>
<h4 id="two">two</h4>
<p>Placeholder content for the scrollspy example. It's time to bring out the big balloons. I'm walking, I'm walking on air (tonight). Yeah, we maxed our credit cards and got kicked out of the bar. Yo, shout out to all you kids, buying bottle service, with your rent money. I'm ma get your heart racing in my skin-tight jeans. If you get the chance you better keep her. Yo, shout out to all you kids, buying bottle service, with your rent money.</p>
<h4 id="three">three</h4>
<p>Placeholder content for the scrollspy example. If you wanna dance, if you want it all, you know that I'm the girl that you should call. Walk through the storm I would. So let me get you in your birthday suit. The one that got away. Last Friday night, yeah I think we broke the law, always say we're gonna stop. 'Cause she's a little bit of Yoko, And she's a little bit of 'Oh no'. I want the jaw droppin', eye poppin', head turnin', body shockin'. Yeah, we maxed our credit cards and got kicked out of the bar.</p>
<p>And some more placeholder content, for good measure.</p>
</div>
</div>
```html
<nav id="navbar-example2" class="navbar navbar-light bg-light">
<a class="navbar-brand" href="#">Navbar</a>
<ul class="nav nav-pills">
<li class="nav-item">
<a class="nav-link" href="#fat">@fat</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#mdo">@mdo</a>
</li>
<li class="nav-item dropdown">
<a class="nav-link dropdown-toggle" data-toggle="dropdown" href="#" role="button" aria-expanded="false">Dropdown</a>
<div class="dropdown-menu">
<a class="dropdown-item" href="#one">one</a>
<a class="dropdown-item" href="#two">two</a>
<div role="separator" class="dropdown-divider"></div>
<a class="dropdown-item" href="#three">three</a>
</div>
</li>
</ul>
</nav>
<div data-spy="scroll" data-target="#navbar-example2" data-offset="0">
<h4 id="fat">@fat</h4>
<p>...</p>
<h4 id="mdo">@mdo</h4>
<p>...</p>
<h4 id="one">one</h4>
<p>...</p>
<h4 id="two">two</h4>
<p>...</p>
<h4 id="three">three</h4>
<p>...</p>
</div>
```
## Example with nested nav
Scrollspy also works with nested `.nav`s. If a nested `.nav` is `.active`, its parents will also be `.active`. Scroll the area next to the navbar and watch the active class change.
<div class="bd-example">
<div class="row">
<div class="col-4">
<nav id="navbar-example3" class="navbar navbar-light bg-light flex-column">
<a class="navbar-brand" href="#">Navbar</a>
<nav class="nav nav-pills flex-column">
<a class="nav-link" href="#item-1">Item 1</a>
<nav class="nav nav-pills flex-column">
<a class="nav-link ml-3 my-1" href="#item-1-1">Item 1-1</a>
<a class="nav-link ml-3 my-1" href="#item-1-2">Item 1-2</a>
</nav>
<a class="nav-link" href="#item-2">Item 2</a>
<a class="nav-link" href="#item-3">Item 3</a>
<nav class="nav nav-pills flex-column">
<a class="nav-link ml-3 my-1" href="#item-3-1">Item 3-1</a>
<a class="nav-link ml-3 my-1" href="#item-3-2">Item 3-2</a>
</nav>
</nav>
</nav>
</div>
<div class="col-8">
<div data-spy="scroll" data-target="#navbar-example3" data-offset="0" class="scrollspy-example-2">
<h4 id="item-1">Item 1</h4>
<p>Placeholder content for the scrollspy example. This one relates to item 1. Takes you miles high, so high, 'cause she’s got that one international smile. There's a stranger in my bed, there's a pounding in my head. Oh, no. In another life I would make you stay. ‘Cause I, I’m capable of anything. Suiting up for my crowning battle. Used to steal your parents' liquor and climb to the roof. Tone, tan fit and ready, turn it up cause its gettin' heavy. Her love is like a drug. I guess that I forgot I had a choice.</p>
<h5 id="item-1-1">Item 1-1</h5>
<p>Placeholder content for the scrollspy example. This one relates to the item 1-1. You got the finest architecture. Passport stamps, she's cosmopolitan. Fine, fresh, fierce, we got it on lock. Never planned that one day I'd be losing you. She eats your heart out. Your kiss is cosmic, every move is magic. I mean the ones, I mean like she's the one. Greetings loved ones let's take a journey. Just own the night like the 4th of July! But you'd rather get wasted.</p>
<h5 id="item-1-2">Item 1-2</h5>
<p>Placeholder content for the scrollspy example. This one relates to the item 1-2. Her love is like a drug. All my girls vintage Chanel baby. Got a motel and built a fort out of sheets. 'Cause she's the muse and the artist. (This is how we do) So you wanna play with magic. So just be sure before you give it all to me. I'm walking, I'm walking on air (tonight). Skip the talk, heard it all, time to walk the walk. Catch her if you can. Stinging like a bee I earned my stripes.</p>
<h4 id="item-2">Item 2</h4>
<p>Placeholder content for the scrollspy example. This one relates to item 2. Don't need apologies. There is no fear now, let go and just be free, I will love you unconditionally. Last Friday night. Don't be a shy kinda guy I'll bet it's beautiful. Summer after high school when we first met. 'Cause she's the muse and the artist. What? Wait. No, no, no, no. Thought that I was the exception.</p>
<h4 id="item-3">Item 3</h4>
<p>Placeholder content for the scrollspy example. This one relates to item 3. Word on the street, you got somethin' to show me, me. All this money can't buy me a time machine. Make it like your birthday everyday. So we hit the boulevard. You make me feel like I'm livin' a teenage dream, the way you turn me on Skip the talk, heard it all, time to walk the walk. Word on the street, you got somethin' to show me, me. It's no big deal, it's no big deal, it's no big deal.</p>
<h5 id="item-3-1">Item 3-1</h5>
<p>Placeholder content for the scrollspy example. This one relates to item 3-1. Baby do you dare to do this? This is no big deal. Yeah, you're lucky if you're on her plane. Just own the night like the 4th of July! Standing on the frontline when the bombs start to fall. So just be sure before you give it all to me.</p>
<h5 id="item-3-2">Item 3-2</h5>
<p>Placeholder content for the scrollspy example. This one relates to item 3-2. You're original, cannot be replaced. All night they're playing, your song. California girls we're undeniable. Like a bird without a cage. There is no fear now, let go and just be free, I will love you unconditionally. I can see the writing on the wall. You could travel the world but nothing comes close to the golden coast.</p>
</div>
</div>
</div>
</div>
```html
<nav id="navbar-example3" class="navbar navbar-light bg-light">
<a class="navbar-brand" href="#">Navbar</a>
<nav class="nav nav-pills flex-column">
<a class="nav-link" href="#item-1">Item 1</a>
<nav class="nav nav-pills flex-column">
<a class="nav-link ml-3 my-1" href="#item-1-1">Item 1-1</a>
<a class="nav-link ml-3 my-1" href="#item-1-2">Item 1-2</a>
</nav>
<a class="nav-link" href="#item-2">Item 2</a>
<a class="nav-link" href="#item-3">Item 3</a>
<nav class="nav nav-pills flex-column">
<a class="nav-link ml-3 my-1" href="#item-3-1">Item 3-1</a>
<a class="nav-link ml-3 my-1" href="#item-3-2">Item 3-2</a>
</nav>
</nav>
</nav>
<div data-spy="scroll" data-target="#navbar-example3" data-offset="0">
<h4 id="item-1">Item 1</h4>
<p>...</p>
<h5 id="item-1-1">Item 1-1</h5>
<p>...</p>
<h5 id="item-1-2">Item 1-2</h5>
<p>...</p>
<h4 id="item-2">Item 2</h4>
<p>...</p>
<h4 id="item-3">Item 3</h4>
<p>...</p>
<h5 id="item-3-1">Item 3-1</h5>
<p>...</p>
<h5 id="item-3-2">Item 3-2</h5>
<p>...</p>
</div>
```
## Example with list-group
Scrollspy also works with `.list-group`s. Scroll the area next to the list group and watch the active class change.
<div class="bd-example">
<div class="row">
<div class="col-4">
<div id="list-example" class="list-group">
<a class="list-group-item list-group-item-action" href="#list-item-1">Item 1</a>
<a class="list-group-item list-group-item-action" href="#list-item-2">Item 2</a>
<a class="list-group-item list-group-item-action" href="#list-item-3">Item 3</a>
<a class="list-group-item list-group-item-action" href="#list-item-4">Item 4</a>
</div>
</div>
<div class="col-8">
<div data-spy="scroll" data-target="#list-example" data-offset="0" class="scrollspy-example">
<h4 id="list-item-1">Item 1</h4>
<p>Placeholder content for the scrollspy list-group example. This one relates to item 1. Don't need apologies. There is no fear now, let go and just be free, I will love you unconditionally. Last Friday night. Don't be a shy kinda guy I'll bet it's beautiful. Summer after high school when we first met. 'Cause she's the muse and the artist. What? Wait. Thought that I was the exception.</p>
<h4 id="list-item-2">Item 2</h4>
<p>Placeholder content for the scrollspy list-group example. This one relates to item 2. Yeah, she dances to her own beat. Oh, no. You could've been the greatest. 'Cause, baby, you're a firework. Maybe a reason why all the doors are closed. Open up your heart and just let it begin. So très chic, yeah, she's a classic.</p>
<h4 id="list-item-3">Item 3</h4>
<p>Placeholder content for the scrollspy list-group example. This one relates to item 3. We go higher and higher. Never one without the other, we made a pact. I'm walking on air. Someone said you had your tattoo removed. Now I’m floating like a butterfly. Tone, tan fit and ready, turn it up cause its gettin' heavy. Cause once you’re mine, once you’re mine. You just gotta ignite the light and let it shine! So we hit the boulevard. Do you ever feel, feel so paper thin. I see it all, I see it now.</p>
<h4 id="list-item-4">Item 4</h4>
<p>Placeholder content for the scrollspy list-group example. This one relates to item 4. Summer after high school when we first met. There is no fear now, let go and just be free, I will love you unconditionally. Sun-kissed skin so hot we'll melt your popsicle. This love will make you levitate.</p>
</div>
</div>
</div>
</div>
```html
<div id="list-example" class="list-group">
<a class="list-group-item list-group-item-action" href="#list-item-1">Item 1</a>
<a class="list-group-item list-group-item-action" href="#list-item-2">Item 2</a>
<a class="list-group-item list-group-item-action" href="#list-item-3">Item 3</a>
<a class="list-group-item list-group-item-action" href="#list-item-4">Item 4</a>
</div>
<div data-spy="scroll" data-target="#list-example" data-offset="0" class="scrollspy-example">
<h4 id="list-item-1">Item 1</h4>
<p>...</p>
<h4 id="list-item-2">Item 2</h4>
<p>...</p>
<h4 id="list-item-3">Item 3</h4>
<p>...</p>
<h4 id="list-item-4">Item 4</h4>
<p>...</p>
</div>
```
## Usage
### Via data attributes
To easily add scrollspy behavior to your topbar navigation, add `data-spy="scroll"` to the element you want to spy on (most typically this would be the `<body>`). Then add the `data-target` attribute with the ID or class of the parent element of any Bootstrap `.nav` component.
```css
body {
position: relative;
}
```
```html
<body data-spy="scroll" data-target="#navbar-example">
...
<div id="navbar-example">
<ul class="nav nav-tabs" role="tablist">
...
</ul>
</div>
...
</body>
```
### Via JavaScript
After adding `position: relative;` in your CSS, call the scrollspy via JavaScript:
```js
$('body').scrollspy({ target: '#navbar-example' })
```
{{< callout danger >}}
#### Resolvable ID targets required
Navbar links must have resolvable id targets. For example, a `<a href="#home">home</a>` must correspond to something in the DOM like `<div id="home"></div>`.
{{< /callout >}}
{{< callout info >}}
#### Non-`:visible` target elements ignored
Target elements that are not [`:visible` according to jQuery](https://api.jquery.com/visible-selector/) will be ignored and their corresponding nav items will never be highlighted.
{{< /callout >}}
### Methods
#### `.scrollspy('refresh')`
When using scrollspy in conjunction with adding or removing of elements from the DOM, you'll need to call the refresh method like so:
```js
$('[data-spy="scroll"]').each(function () {
var $spy = $(this).scrollspy('refresh')
})
```
#### `.scrollspy('dispose')`
Destroys an element's scrollspy.
### Options
Options can be passed via data attributes or JavaScript. For data attributes, append the option name to `data-`, as in `data-offset=""`.
<table class="table table-bordered table-striped">
<thead>
<tr>
<th style="width: 100px;">Name</th>
<th style="width: 100px;">Type</th>
<th style="width: 50px;">Default</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td>offset</td>
<td>number</td>
<td>10</td>
<td>Pixels to offset from top when calculating position of scroll.</td>
</tr>
<tr>
<td>method</td>
<td>string</td>
<td>auto</td>
<td>Finds which section the spied element is in. <code>auto</code> will choose the best method to get scroll coordinates. <code>offset</code> will use jQuery offset method to get scroll coordinates. <code>position</code> will use jQuery position method to get scroll coordinates.</td>
</tr>
<tr>
<td>target</td>
<td>string | jQuery object | DOM element</td>
<td></td>
<td>Specifies element to apply Scrollspy plugin.</td>
</tr>
</tbody>
</table>
### Events
<table class="table table-bordered table-striped">
<thead>
<tr>
<th style="width: 150px;">Event Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td>activate.bs.scrollspy</td>
<td>This event fires on the scroll element whenever a new item becomes activated by the scrollspy.</td>
</tr>
</tbody>
</table>
```js
$('[data-spy="scroll"]').on('activate.bs.scrollspy', function () {
// do something...
})
```

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---
layout: docs
title: Spinners
description: Indicate the loading state of a component or page with Bootstrap spinners, built entirely with HTML, CSS, and no JavaScript.
group: components
toc: true
---
## About
Bootstrap "spinners" can be used to show the loading state in your projects. They're built only with HTML and CSS, meaning you don't need any JavaScript to create them. You will, however, need some custom JavaScript to toggle their visibility. Their appearance, alignment, and sizing can be easily customized with our amazing utility classes.
For accessibility purposes, each loader here includes `role="status"` and a nested `<span class="sr-only">Loading...</span>`.
{{< callout info >}}
{{< partial "callout-info-prefersreducedmotion.md" >}}
{{< /callout >}}
## Border spinner
Use the border spinners for a lightweight loading indicator.
{{< example >}}
<div class="spinner-border" role="status">
<span class="sr-only">Loading...</span>
</div>
{{< /example >}}
### Colors
The border spinner uses `currentColor` for its `border-color`, meaning you can customize the color with [text color utilities][color]. You can use any of our text color utilities on the standard spinner.
{{< example >}}
{{< spinner.inline >}}
{{- range (index $.Site.Data "theme-colors") }}
<div class="spinner-border text-{{ .name }}" role="status">
<span class="sr-only">Loading...</span>
</div>
{{- end -}}
{{< /spinner.inline >}}
{{< /example >}}
{{< callout info >}}
**Why not use `border-color` utilities?** Each border spinner specifies a `transparent` border for at least one side, so `.border-{color}` utilities would override that.
{{< /callout >}}
## Growing spinner
If you don't fancy a border spinner, switch to the grow spinner. While it doesn't technically spin, it does repeatedly grow!
{{< example >}}
<div class="spinner-grow" role="status">
<span class="sr-only">Loading...</span>
</div>
{{< /example >}}
Once again, this spinner is built with `currentColor`, so you can easily change its appearance with [text color utilities][color]. Here it is in blue, along with the supported variants.
{{< example >}}
{{< spinner.inline >}}
{{- range (index $.Site.Data "theme-colors") }}
<div class="spinner-grow text-{{ .name }}" role="status">
<span class="sr-only">Loading...</span>
</div>
{{- end -}}
{{< /spinner.inline >}}
{{< /example >}}
## Alignment
Spinners in Bootstrap are built with `rem`s, `currentColor`, and `display: inline-flex`. This means they can easily be resized, recolored, and quickly aligned.
### Margin
Use [margin utilities][margin] like `.m-5` for easy spacing.
{{< example >}}
<div class="spinner-border m-5" role="status">
<span class="sr-only">Loading...</span>
</div>
{{< /example >}}
### Placement
Use [flexbox utilities][flex], [float utilities][float], or [text alignment][text] utilities to place spinners exactly where you need them in any situation.
#### Flex
{{< example >}}
<div class="d-flex justify-content-center">
<div class="spinner-border" role="status">
<span class="sr-only">Loading...</span>
</div>
</div>
{{< /example >}}
{{< example >}}
<div class="d-flex align-items-center">
<strong>Loading...</strong>
<div class="spinner-border ml-auto" role="status" aria-hidden="true"></div>
</div>
{{< /example >}}
#### Floats
{{< example >}}
<div class="clearfix">
<div class="spinner-border float-right" role="status">
<span class="sr-only">Loading...</span>
</div>
</div>
{{< /example >}}
#### Text align
{{< example >}}
<div class="text-center">
<div class="spinner-border" role="status">
<span class="sr-only">Loading...</span>
</div>
</div>
{{< /example >}}
## Size
Add `.spinner-border-sm` and `.spinner-grow-sm` to make a smaller spinner that can quickly be used within other components.
{{< example >}}
<div class="spinner-border spinner-border-sm" role="status">
<span class="sr-only">Loading...</span>
</div>
<div class="spinner-grow spinner-grow-sm" role="status">
<span class="sr-only">Loading...</span>
</div>
{{< /example >}}
Or, use custom CSS or inline styles to change the dimensions as needed.
{{< example >}}
<div class="spinner-border" style="width: 3rem; height: 3rem;" role="status">
<span class="sr-only">Loading...</span>
</div>
<div class="spinner-grow" style="width: 3rem; height: 3rem;" role="status">
<span class="sr-only">Loading...</span>
</div>
{{< /example >}}
## Buttons
Use spinners within buttons to indicate an action is currently processing or taking place. You may also swap the text out of the spinner element and utilize button text as needed.
{{< example >}}
<button class="btn btn-primary" type="button" disabled>
<span class="spinner-border spinner-border-sm" role="status" aria-hidden="true"></span>
<span class="sr-only">Loading...</span>
</button>
<button class="btn btn-primary" type="button" disabled>
<span class="spinner-border spinner-border-sm" role="status" aria-hidden="true"></span>
Loading...
</button>
{{< /example >}}
{{< example >}}
<button class="btn btn-primary" type="button" disabled>
<span class="spinner-grow spinner-grow-sm" role="status" aria-hidden="true"></span>
<span class="sr-only">Loading...</span>
</button>
<button class="btn btn-primary" type="button" disabled>
<span class="spinner-grow spinner-grow-sm" role="status" aria-hidden="true"></span>
Loading...
</button>
{{< /example >}}
[color]: {{< docsref "/utilities/colors" >}}
[display]: {{< docsref "/utilities/display" >}}
[flex]: {{< docsref "/utilities/flex" >}}
[float]: {{< docsref "/utilities/float" >}}
[margin]: {{< docsref "/utilities/spacing" >}}
[sizing]: {{< docsref "/utilities/sizing" >}}
[text]: {{< docsref "/content/typography" >}}

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---
layout: docs
title: Toasts
description: Push notifications to your visitors with a toast, a lightweight and easily customizable alert message.
group: components
toc: true
---
Toasts are lightweight notifications designed to mimic the push notifications that have been popularized by mobile and desktop operating systems. They're built with flexbox, so they're easy to align and position.
## Overview
Things to know when using the toast plugin:
- If you're building our JavaScript from source, it [requires `util.js`]({{< docsref "/getting-started/javascript#util" >}}).
- Toasts are opt-in for performance reasons, so **you must initialize them yourself**.
- **Please note that you are responsible for positioning toasts.**
- Toasts will automatically hide if you do not specify `autohide: false`.
{{< callout info >}}
{{< partial "callout-info-prefersreducedmotion.md" >}}
{{< /callout >}}
## Examples
### Basic
To encourage extensible and predictable toasts, we recommend a header and body. Toast headers use `display: flex`, allowing easy alignment of content thanks to our margin and flexbox utilities.
Toasts are as flexible as you need and have very little required markup. At a minimum, we require a single element to contain your "toasted" content and strongly encourage a dismiss button.
{{< example class="bg-light" >}}
<div class="toast" role="alert" aria-live="assertive" aria-atomic="true">
<div class="toast-header">
{{< placeholder width="20" height="20" background="#007aff" class="rounded mr-2" text=" " title=" " >}}
<strong class="mr-auto">Bootstrap</strong>
<small>11 mins ago</small>
<button type="button" class="ml-2 mb-1 close" data-dismiss="toast" aria-label="Close">
<span aria-hidden="true">&times;</span>
</button>
</div>
<div class="toast-body">
Hello, world! This is a toast message.
</div>
</div>
{{< /example >}}
### Live
Click the button below to show a toast (positioned with our utilities in the lower right corner) that has been hidden by default with `.hide`.
<div class="position-fixed bottom-0 right-0 p-3" style="z-index: 5; right: 0; bottom: 0;">
<div id="liveToast" class="toast hide" role="alert" aria-live="assertive" aria-atomic="true" data-delay="2000">
<div class="toast-header">
{{< placeholder width="20" height="20" background="#007aff" class="rounded mr-2" text="false" title="false" >}}
<strong class="mr-auto">Bootstrap</strong>
<small>11 mins ago</small>
<button type="button" class="ml-2 mb-1 close" data-dismiss="toast" aria-label="Close">
<span aria-hidden="true">&times;</span>
</button>
</div>
<div class="toast-body">
Hello, world! This is a toast message.
</div>
</div>
</div>
<div class="bd-example">
<button type="button" class="btn btn-primary" id="liveToastBtn">Show live toast</button>
</div>
```html
<button type="button" class="btn btn-primary" id="liveToastBtn">Show live toast</button>
<div class="position-fixed bottom-0 right-0 p-3" style="z-index: 5; right: 0; bottom: 0;">
<div id="liveToast" class="toast hide" role="alert" aria-live="assertive" aria-atomic="true" data-delay="2000">
<div class="toast-header">
<img src="..." class="rounded mr-2" alt="...">
<strong class="mr-auto">Bootstrap</strong>
<small>11 mins ago</small>
<button type="button" class="ml-2 mb-1 close" data-dismiss="toast" aria-label="Close">
<span aria-hidden="true">&times;</span>
</button>
</div>
<div class="toast-body">
Hello, world! This is a toast message.
</div>
</div>
</div>
```
### Translucent
Toasts are slightly translucent to blend in with what's below them.
{{< example class="bg-dark" >}}
<div class="toast" role="alert" aria-live="assertive" aria-atomic="true">
<div class="toast-header">
{{< placeholder width="20" height="20" background="#007aff" class="rounded mr-2" text=" " title=" " >}}
<strong class="mr-auto">Bootstrap</strong>
<small class="text-muted">11 mins ago</small>
<button type="button" class="ml-2 mb-1 close" data-dismiss="toast" aria-label="Close">
<span aria-hidden="true">&times;</span>
</button>
</div>
<div class="toast-body">
Hello, world! This is a toast message.
</div>
</div>
{{< /example >}}
### Stacking
When you have multiple toasts, we default to vertically stacking them in a readable manner.
{{< example class="bg-light" >}}
<div class="toast" role="alert" aria-live="assertive" aria-atomic="true">
<div class="toast-header">
{{< placeholder width="20" height="20" background="#007aff" class="rounded mr-2" text=" " title=" " >}}
<strong class="mr-auto">Bootstrap</strong>
<small class="text-muted">just now</small>
<button type="button" class="ml-2 mb-1 close" data-dismiss="toast" aria-label="Close">
<span aria-hidden="true">&times;</span>
</button>
</div>
<div class="toast-body">
See? Just like this.
</div>
</div>
<div class="toast" role="alert" aria-live="assertive" aria-atomic="true">
<div class="toast-header">
{{< placeholder width="20" height="20" background="#007aff" class="rounded mr-2" text=" " title=" " >}}
<strong class="mr-auto">Bootstrap</strong>
<small class="text-muted">2 seconds ago</small>
<button type="button" class="ml-2 mb-1 close" data-dismiss="toast" aria-label="Close">
<span aria-hidden="true">&times;</span>
</button>
</div>
<div class="toast-body">
Heads up, toasts will stack automatically
</div>
</div>
{{< /example >}}
## Placement
Place toasts with custom CSS as you need them. The top right is often used for notifications, as is the top middle. If you're only ever going to show one toast at a time, put the positioning styles right on the `.toast`.
{{< example class="bg-dark" >}}
<div aria-live="polite" aria-atomic="true" style="position: relative; min-height: 200px;">
<div class="toast" style="position: absolute; top: 0; right: 0;">
<div class="toast-header">
{{< placeholder width="20" height="20" background="#007aff" class="rounded mr-2" text=" " title=" " >}}
<strong class="mr-auto">Bootstrap</strong>
<small>11 mins ago</small>
<button type="button" class="ml-2 mb-1 close" data-dismiss="toast" aria-label="Close">
<span aria-hidden="true">&times;</span>
</button>
</div>
<div class="toast-body">
Hello, world! This is a toast message.
</div>
</div>
</div>
{{< /example >}}
For systems that generate more notifications, consider using a wrapping element so they can easily stack.
{{< example class="bg-dark" >}}
<div aria-live="polite" aria-atomic="true" style="position: relative; min-height: 200px;">
<!-- Position it -->
<div style="position: absolute; top: 0; right: 0;">
<!-- Then put toasts within -->
<div class="toast" role="alert" aria-live="assertive" aria-atomic="true">
<div class="toast-header">
{{< placeholder width="20" height="20" background="#007aff" class="rounded mr-2" text=" " title=" " >}}
<strong class="mr-auto">Bootstrap</strong>
<small class="text-muted">just now</small>
<button type="button" class="ml-2 mb-1 close" data-dismiss="toast" aria-label="Close">
<span aria-hidden="true">&times;</span>
</button>
</div>
<div class="toast-body">
See? Just like this.
</div>
</div>
<div class="toast" role="alert" aria-live="assertive" aria-atomic="true">
<div class="toast-header">
{{< placeholder width="20" height="20" background="#007aff" class="rounded mr-2" text=" " title=" " >}}
<strong class="mr-auto">Bootstrap</strong>
<small class="text-muted">2 seconds ago</small>
<button type="button" class="ml-2 mb-1 close" data-dismiss="toast" aria-label="Close">
<span aria-hidden="true">&times;</span>
</button>
</div>
<div class="toast-body">
Heads up, toasts will stack automatically
</div>
</div>
</div>
</div>
{{< /example >}}
You can also get fancy with flexbox utilities to align toasts horizontally and/or vertically.
{{< example class="bg-dark" >}}
<!-- Flexbox container for aligning the toasts -->
<div aria-live="polite" aria-atomic="true" class="d-flex justify-content-center align-items-center" style="height: 200px;">
<!-- Then put toasts within -->
<div class="toast" role="alert" aria-live="assertive" aria-atomic="true">
<div class="toast-header">
{{< placeholder width="20" height="20" background="#007aff" class="rounded mr-2" text=" " title=" " >}}
<strong class="mr-auto">Bootstrap</strong>
<small>11 mins ago</small>
<button type="button" class="ml-2 mb-1 close" data-dismiss="toast" aria-label="Close">
<span aria-hidden="true">&times;</span>
</button>
</div>
<div class="toast-body">
Hello, world! This is a toast message.
</div>
</div>
</div>
{{< /example >}}
## Accessibility
Toasts are intended to be small interruptions to your visitors or users, so to help those with screen readers and similar assistive technologies, you should wrap your toasts in an [`aria-live` region](https://developer.mozilla.org/en-US/docs/Web/Accessibility/ARIA/ARIA_Live_Regions). Changes to live regions (such as injecting/updating a toast component) are automatically announced by screen readers without needing to move the user's focus or otherwise interrupt the user. Additionally, include `aria-atomic="true"` to ensure that the entire toast is always announced as a single (atomic) unit, rather than just announcing what was changed (which could lead to problems if you only update part of the toast's content, or if displaying the same toast content at a later point in time). If the information needed is important for the process, e.g. for a list of errors in a form, then use the [alert component]({{< docsref "/components/alerts" >}}) instead of toast.
Note that the live region needs to be present in the markup *before* the toast is generated or updated. If you dynamically generate both at the same time and inject them into the page, they will generally not be announced by assistive technologies.
You also need to adapt the `role` and `aria-live` level depending on the content. If it's an important message like an error, use `role="alert" aria-live="assertive"`, otherwise use `role="status" aria-live="polite"` attributes.
As the content you're displaying changes, be sure to update the [`delay` timeout](#options) so that users have enough time to read the toast.
```html
<div class="toast" role="alert" aria-live="polite" aria-atomic="true" data-delay="10000">
<div role="alert" aria-live="assertive" aria-atomic="true">...</div>
</div>
```
When using `autohide: false`, you must add a close button to allow users to dismiss the toast.
{{< example class="bg-light" >}}
<div role="alert" aria-live="assertive" aria-atomic="true" class="toast" data-autohide="false">
<div class="toast-header">
{{< placeholder width="20" height="20" background="#007aff" class="rounded mr-2" text=" " title=" " >}}
<strong class="mr-auto">Bootstrap</strong>
<small>11 mins ago</small>
<button type="button" class="ml-2 mb-1 close" data-dismiss="toast" aria-label="Close">
<span aria-hidden="true">&times;</span>
</button>
</div>
<div class="toast-body">
Hello, world! This is a toast message.
</div>
</div>
{{< /example >}}
While technically it's possible to add focusable/actionable controls (such as additional buttons or links) in your toast, you should avoid doing this for autohiding toasts. Even if you give the toast a long [`delay` timeout](#options), keyboard and assistive technology users may find it difficult to reach the toast in time to take action (since toasts don't receive focus when they are displayed). If you absolutely must have further controls, we recommend using a toast with `autohide: false`.
## JavaScript behavior
### Usage
Initialize toasts via JavaScript:
```js
$('.toast').toast(option)
```
### Options
Options can be passed via data attributes or JavaScript. For data attributes, append the option name to `data-`, as in `data-animation=""`.
<table class="table table-bordered table-striped">
<thead>
<tr>
<th style="width: 100px;">Name</th>
<th style="width: 100px;">Type</th>
<th style="width: 50px;">Default</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td>animation</td>
<td>boolean</td>
<td>true</td>
<td>Apply a CSS fade transition to the toast</td>
</tr>
<tr>
<td>autohide</td>
<td>boolean</td>
<td>true</td>
<td>Auto hide the toast</td>
</tr>
<tr>
<td>delay</td>
<td>number</td>
<td>
<code>500</code>
</td>
<td>Delay hiding the toast (ms)</td>
</tr>
</tbody>
</table>
### Methods
{{< callout danger >}}
{{< partial "callout-danger-async-methods.md" >}}
{{< /callout >}}
#### `$().toast(options)`
Attaches a toast handler to an element collection.
#### `.toast('show')`
Reveals an element's toast. **Returns to the caller before the toast has actually been shown** (i.e. before the `shown.bs.toast` event occurs).
You have to manually call this method, instead your toast won't show.
```js
$('#element').toast('show')
```
#### `.toast('hide')`
Hides an element's toast. **Returns to the caller before the toast has actually been hidden** (i.e. before the `hidden.bs.toast` event occurs). You have to manually call this method if you made `autohide` to `false`.
```js
$('#element').toast('hide')
```
#### `.toast('dispose')`
Hides an element's toast. Your toast will remain on the DOM but won't show anymore.
```js
$('#element').toast('dispose')
```
### Events
<table class="table table-bordered table-striped">
<thead>
<tr>
<th style="width: 150px;">Event Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td>show.bs.toast</td>
<td>This event fires immediately when the <code>show</code> instance method is called.</td>
</tr>
<tr>
<td>shown.bs.toast</td>
<td>This event is fired when the toast has been made visible to the user.</td>
</tr>
<tr>
<td>hide.bs.toast</td>
<td>This event is fired immediately when the <code>hide</code> instance method has been called.</td>
</tr>
<tr>
<td>hidden.bs.toast</td>
<td>This event is fired when the toast has finished being hidden from the user.</td>
</tr>
</tbody>
</table>
```js
$('#myToast').on('hidden.bs.toast', function () {
// do something...
})
```

416
vendor/twbs/bootstrap/site/content/docs/4.6/components/tooltips.md vendored Normal file
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@@ -0,0 +1,416 @@
---
layout: docs
title: Tooltips
description: Documentation and examples for adding custom Bootstrap tooltips with CSS and JavaScript using CSS3 for animations and data-attributes for local title storage.
group: components
toc: true
---
## Overview
Things to know when using the tooltip plugin:
- Tooltips rely on the 3rd party library [Popper](https://popper.js.org/) for positioning. You must include [popper.min.js]({{< param "cdn.popper" >}}) before bootstrap.js or use `bootstrap.bundle.min.js` / `bootstrap.bundle.js` which contains Popper in order for tooltips to work!
- If you're building our JavaScript from source, it [requires `util.js`]({{< docsref "/getting-started/javascript#util" >}}).
- Tooltips are opt-in for performance reasons, so **you must initialize them yourself**.
- Tooltips with zero-length titles are never displayed.
- Specify `container: 'body'` to avoid rendering problems in more complex components (like our input groups, button groups, etc).
- Triggering tooltips on hidden elements will not work.
- Tooltips for `.disabled` or `disabled` elements must be triggered on a wrapper element.
- When triggered from hyperlinks that span multiple lines, tooltips will be centered. Use `white-space: nowrap;` on your `<a>`s to avoid this behavior.
- Tooltips must be hidden before their corresponding elements have been removed from the DOM.
- Tooltips can be triggered thanks to an element inside a shadow DOM.
{{< callout info >}}
{{< partial "callout-info-sanitizer.md" >}}
{{< /callout >}}
{{< callout info >}}
{{< partial "callout-info-prefersreducedmotion.md" >}}
{{< /callout >}}
Got all that? Great, let's see how they work with some examples.
## Example: Enable tooltips everywhere
One way to initialize all tooltips on a page would be to select them by their `data-toggle` attribute:
```js
$(function () {
$('[data-toggle="tooltip"]').tooltip()
})
```
## Examples
Hover over the links below to see tooltips:
<div class="bd-example tooltip-demo">
<p class="muted">Placeholder text to demonstrate some <a href="#" data-toggle="tooltip" title="Default tooltip">inline links</a> with tooltips. This is now just filler, no killer. Content placed here just to mimic the presence of <a href="#" data-toggle="tooltip" title="Another tooltip">real text</a>. And all that just to give you an idea of how tooltips would look when used in real-world situations. So hopefully you've now seen how <a href="#" data-toggle="tooltip" title="Another one here too">these tooltips on links</a> can work in practice, once you use them on <a href="#" data-toggle="tooltip" title="The last tip!">your own</a> site or project.
</p>
</div>
Hover over the buttons below to see the four tooltips directions: top, right, bottom, and left.
<div class="bd-example tooltip-demo">
<div class="bd-example-tooltips">
<button type="button" class="btn btn-secondary" data-toggle="tooltip" data-placement="top" title="Tooltip on top">Tooltip on top</button>
<button type="button" class="btn btn-secondary" data-toggle="tooltip" data-placement="right" title="Tooltip on right">Tooltip on right</button>
<button type="button" class="btn btn-secondary" data-toggle="tooltip" data-placement="bottom" title="Tooltip on bottom">Tooltip on bottom</button>
<button type="button" class="btn btn-secondary" data-toggle="tooltip" data-placement="left" title="Tooltip on left">Tooltip on left</button>
<button type="button" class="btn btn-secondary" data-toggle="tooltip" data-html="true" title="<em>Tooltip</em> <u>with</u> <b>HTML</b>">Tooltip with HTML</button>
</div>
</div>
```html
<button type="button" class="btn btn-secondary" data-toggle="tooltip" data-placement="top" title="Tooltip on top">
Tooltip on top
</button>
<button type="button" class="btn btn-secondary" data-toggle="tooltip" data-placement="right" title="Tooltip on right">
Tooltip on right
</button>
<button type="button" class="btn btn-secondary" data-toggle="tooltip" data-placement="bottom" title="Tooltip on bottom">
Tooltip on bottom
</button>
<button type="button" class="btn btn-secondary" data-toggle="tooltip" data-placement="left" title="Tooltip on left">
Tooltip on left
</button>
```
And with custom HTML added:
```html
<button type="button" class="btn btn-secondary" data-toggle="tooltip" data-html="true" title="<em>Tooltip</em> <u>with</u> <b>HTML</b>">
Tooltip with HTML
</button>
```
## Usage
The tooltip plugin generates content and markup on demand, and by default places tooltips after their trigger element.
Trigger the tooltip via JavaScript:
```js
$('#example').tooltip(options)
```
{{< callout warning >}}
##### Overflow `auto` and `scroll`
Tooltip position attempts to automatically change when a parent container has `overflow: auto` or `overflow: scroll` like our `.table-responsive`, but still keeps the original placement's positioning. To resolve, set the `boundary` option to anything other than default value, `'scrollParent'`, such as `'window'`:
```js
$('#example').tooltip({ boundary: 'window' })
```
{{< /callout >}}
### Markup
The required markup for a tooltip is only a `data` attribute and `title` on the HTML element you wish to have a tooltip. The generated markup of a tooltip is rather simple, though it does require a position (by default, set to `top` by the plugin).
{{< callout warning >}}
##### Making tooltips work for keyboard and assistive technology users
You should only add tooltips to HTML elements that are traditionally keyboard-focusable and interactive (such as links or form controls). Although arbitrary HTML elements (such as `<span>`s) can be made focusable by adding the `tabindex="0"` attribute, this will add potentially annoying and confusing tab stops on non-interactive elements for keyboard users, and most assistive technologies currently do not announce the tooltip in this situation. Additionally, do not rely solely on `hover` as the trigger for your tooltip, as this will make your tooltips impossible to trigger for keyboard users.
{{< /callout >}}
```html
<!-- HTML to write -->
<a href="#" data-toggle="tooltip" title="Some tooltip text!">Hover over me</a>
<!-- Generated markup by the plugin -->
<div class="tooltip bs-tooltip-top" role="tooltip">
<div class="arrow"></div>
<div class="tooltip-inner">
Some tooltip text!
</div>
</div>
```
### Disabled elements
Elements with the `disabled` attribute aren't interactive, meaning users cannot focus, hover, or click them to trigger a tooltip (or popover). As a workaround, you'll want to trigger the tooltip from a wrapper `<div>` or `<span>`, ideally made keyboard-focusable using `tabindex="0"`, and override the `pointer-events` on the disabled element.
<div class="tooltip-demo">
{{< example >}}
<span class="d-inline-block" tabindex="0" data-toggle="tooltip" title="Disabled tooltip">
<button class="btn btn-primary" style="pointer-events: none;" type="button" disabled>Disabled button</button>
</span>
{{< /example >}}
</div>
### Options
Options can be passed via data attributes or JavaScript. For data attributes, append the option name to `data-`, as in `data-animation=""`.
{{< callout warning >}}
Note that for security reasons the `sanitize`, `sanitizeFn` and `whiteList` options cannot be supplied using data attributes.
{{< /callout >}}
<table class="table table-bordered table-striped">
<thead>
<tr>
<th style="width: 100px;">Name</th>
<th style="width: 100px;">Type</th>
<th style="width: 50px;">Default</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td>animation</td>
<td>boolean</td>
<td>true</td>
<td>Apply a CSS fade transition to the tooltip</td>
</tr>
<tr>
<td>container</td>
<td>string | element | false</td>
<td>false</td>
<td>
<p>Appends the tooltip to a specific element. Example: <code>container: 'body'</code>. This option is particularly useful in that it allows you to position the tooltip in the flow of the document near the triggering element - which will prevent the tooltip from floating away from the triggering element during a window resize.</p>
</td>
</tr>
<tr>
<td>delay</td>
<td>number | object</td>
<td>0</td>
<td>
<p>Delay showing and hiding the tooltip (ms) - does not apply to manual trigger type</p>
<p>If a number is supplied, delay is applied to both hide/show</p>
<p>Object structure is: <code>delay: { "show": 500, "hide": 100 }</code></p>
</td>
</tr>
<tr>
<td>html</td>
<td>boolean</td>
<td>false</td>
<td>
<p>Allow HTML in the tooltip.</p>
<p>If true, HTML tags in the tooltip's <code>title</code> will be rendered in the tooltip. If false, jQuery's <code>text</code> method will be used to insert content into the DOM.</p>
<p>Use text if you're worried about XSS attacks.</p>
</td>
</tr>
<tr>
<td>placement</td>
<td>string | function</td>
<td>'top'</td>
<td>
<p>How to position the tooltip - auto | top | bottom | left | right.<br>When <code>auto</code> is specified, it will dynamically reorient the tooltip.</p>
<p>When a function is used to determine the placement, it is called with the tooltip DOM node as its first argument and the triggering element DOM node as its second. The <code>this</code> context is set to the tooltip instance.</p>
</td>
</tr>
<tr>
<td>selector</td>
<td>string | false</td>
<td>false</td>
<td>If a selector is provided, tooltip objects will be delegated to the specified targets. In practice, this is used to also apply tooltips to dynamically added DOM elements (<code>jQuery.on</code> support). See <a href="{{< param repo >}}/issues/4215">this</a> and <a href="https://codepen.io/team/bootstrap/pen/qBNGbYK">an informative example</a>.</td>
</tr>
<tr>
<td>template</td>
<td>string</td>
<td><code>'&lt;div class="tooltip" role="tooltip"&gt;&lt;div class="arrow"&gt;&lt;/div&gt;&lt;div class="tooltip-inner"&gt;&lt;/div&gt;&lt;/div&gt;'</code></td>
<td>
<p>Base HTML to use when creating the tooltip.</p>
<p>The tooltip's <code>title</code> will be injected into the <code>.tooltip-inner</code>.</p>
<p><code>.arrow</code> will become the tooltip's arrow.</p>
<p>The outermost wrapper element should have the <code>.tooltip</code> class and <code>role="tooltip"</code>.</p>
</td>
</tr>
<tr>
<td>title</td>
<td>string | element | function</td>
<td>''</td>
<td>
<p>Default title value if <code>title</code> attribute isn't present.</p>
<p>If a function is given, it will be called with its <code>this</code> reference set to the element that the tooltip is attached to.</p>
</td>
</tr>
<tr>
<td>trigger</td>
<td>string</td>
<td>'hover focus'</td>
<td>
<p>How tooltip is triggered - click | hover | focus | manual. You may pass multiple triggers; separate them with a space.</p>
<p><code>'manual'</code> indicates that the tooltip will be triggered programmatically via the <code>.tooltip('show')</code>, <code>.tooltip('hide')</code> and <code>.tooltip('toggle')</code> methods; this value cannot be combined with any other trigger.</p>
<p><code>'hover'</code> on its own will result in tooltips that cannot be triggered via the keyboard, and should only be used if alternative methods for conveying the same information for keyboard users is present.</p>
</td>
</tr>
<tr>
<td>offset</td>
<td>number | string | function</td>
<td>0</td>
<td>
<p>Offset of the tooltip relative to its target.</p>
<p>When a function is used to determine the offset, it is called with an object containing the offset data as its first argument. The function must return an object with the same structure. The triggering element DOM node is passed as the second argument.</p>
<p>For more information refer to Popper's <a href="https://popper.js.org/docs/v1/#modifiers..offset.offset">offset docs</a>.</p>
</td>
</tr>
<tr>
<td>fallbackPlacement</td>
<td>string | array</td>
<td>'flip'</td>
<td>Allow to specify which position Popper will use on fallback. For more information refer to
Popper's <a href="https://popper.js.org/docs/v1/#modifiers..flip.behavior">behavior docs</a></td>
</tr>
<tr>
<td>customClass</td>
<td>string | function</td>
<td>''</td>
<td>
<p>Add classes to the tooltip when it is shown. Note that these classes will be added in addition to any classes specified in the template. To add multiple classes, separate them with spaces: <code>'a b'</code>.</p>
<p>You can also pass a function that should return a single string containing additional class names.</p>
</td>
</tr>
<tr>
<td>boundary</td>
<td>string | element</td>
<td>'scrollParent'</td>
<td>Overflow constraint boundary of the tooltip. Accepts the values of <code>'viewport'</code>, <code>'window'</code>, <code>'scrollParent'</code>, or an HTMLElement reference (JavaScript only). For more information refer to Popper's <a href="https://popper.js.org/docs/v1/#modifiers..preventOverflow.boundariesElement">preventOverflow docs</a>.</td>
</tr>
<tr>
<td>sanitize</td>
<td>boolean</td>
<td>true</td>
<td>Enable or disable the sanitization. If activated <code>'template'</code> and <code>'title'</code> options will be sanitized. See the <a href="{{< docsref "/getting-started/javascript#sanitizer" >}}">sanitizer section in our JavaScript documentation</a>.</td>
</tr>
<tr>
<td>whiteList</td>
<td>object</td>
<td><a href="{{< docsref "/getting-started/javascript#sanitizer" >}}">Default value</a></td>
<td>Object which contains allowed attributes and tags</td>
</tr>
<tr>
<td>sanitizeFn</td>
<td>null | function</td>
<td>null</td>
<td>Here you can supply your own sanitize function. This can be useful if you prefer to use a dedicated library to perform sanitization.</td>
</tr>
<tr>
<td>popperConfig</td>
<td>null | object</td>
<td>null</td>
<td>To change Bootstrap's default Popper config, see <a href="https://popper.js.org/docs/v1/#Popper.Defaults">Popper's configuration</a></td>
</tr>
</tbody>
</table>
{{< callout info >}}
#### Data attributes for individual tooltips
Options for individual tooltips can alternatively be specified through the use of data attributes, as explained above.
{{< /callout >}}
### Methods
{{< callout danger >}}
{{< partial "callout-danger-async-methods.md" >}}
{{< /callout >}}
#### `$().tooltip(options)`
Attaches a tooltip handler to an element collection.
#### `.tooltip('show')`
Reveals an element's tooltip. **Returns to the caller before the tooltip has actually been shown** (i.e. before the `shown.bs.tooltip` event occurs). This is considered a "manual" triggering of the tooltip. Tooltips with zero-length titles are never displayed.
```js
$('#element').tooltip('show')
```
#### `.tooltip('hide')`
Hides an element's tooltip. **Returns to the caller before the tooltip has actually been hidden** (i.e. before the `hidden.bs.tooltip` event occurs). This is considered a "manual" triggering of the tooltip.
```js
$('#element').tooltip('hide')
```
#### `.tooltip('toggle')`
Toggles an element's tooltip. **Returns to the caller before the tooltip has actually been shown or hidden** (i.e. before the `shown.bs.tooltip` or `hidden.bs.tooltip` event occurs). This is considered a "manual" triggering of the tooltip.
```js
$('#element').tooltip('toggle')
```
#### `.tooltip('dispose')`
Hides and destroys an element's tooltip. Tooltips that use delegation (which are created using [the `selector` option](#options)) cannot be individually destroyed on descendant trigger elements.
```js
$('#element').tooltip('dispose')
```
#### `.tooltip('enable')`
Gives an element's tooltip the ability to be shown. **Tooltips are enabled by default.**
```js
$('#element').tooltip('enable')
```
#### `.tooltip('disable')`
Removes the ability for an element's tooltip to be shown. The tooltip will only be able to be shown if it is re-enabled.
```js
$('#element').tooltip('disable')
```
#### `.tooltip('toggleEnabled')`
Toggles the ability for an element's tooltip to be shown or hidden.
```js
$('#element').tooltip('toggleEnabled')
```
#### `.tooltip('update')`
Updates the position of an element's tooltip.
```js
$('#element').tooltip('update')
```
### Events
<table class="table table-bordered table-striped">
<thead>
<tr>
<th style="width: 150px;">Event Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td>show.bs.tooltip</td>
<td>This event fires immediately when the <code>show</code> instance method is called.</td>
</tr>
<tr>
<td>shown.bs.tooltip</td>
<td>This event is fired when the tooltip has been made visible to the user (will wait for CSS transitions to complete).</td>
</tr>
<tr>
<td>hide.bs.tooltip</td>
<td>This event is fired immediately when the <code>hide</code> instance method has been called.</td>
</tr>
<tr>
<td>hidden.bs.tooltip</td>
<td>This event is fired when the tooltip has finished being hidden from the user (will wait for CSS transitions to complete).</td>
</tr>
<tr>
<td>inserted.bs.tooltip</td>
<td>This event is fired after the <code>show.bs.tooltip</code> event when the tooltip template has been added to the DOM.</td>
</tr>
</tbody>
</table>
```js
$('#myTooltip').on('hidden.bs.tooltip', function () {
// do something...
})
```

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---
layout: docs
title: Code
description: Documentation and examples for displaying inline and multiline blocks of code with Bootstrap.
group: content
toc: true
---
## Inline code
Wrap inline snippets of code with `<code>`. Be sure to escape HTML angle brackets.
{{< example >}}
For example, <code>&lt;section&gt;</code> should be wrapped as inline.
{{< /example >}}
## Code blocks
Use `<pre>`s for multiple lines of code. Once again, be sure to escape any angle brackets in the code for proper rendering. You may optionally add the `.pre-scrollable` class, which will set a max-height of 340px and provide a y-axis scrollbar.
{{< example >}}
<pre><code>&lt;p&gt;Sample text here...&lt;/p&gt;
&lt;p&gt;And another line of sample text here...&lt;/p&gt;
</code></pre>
{{< /example >}}
## Variables
For indicating variables use the `<var>` tag.
{{< example >}}
<var>y</var> = <var>m</var><var>x</var> + <var>b</var>
{{< /example >}}
## User input
Use the `<kbd>` to indicate input that is typically entered via keyboard.
{{< example >}}
To switch directories, type <kbd>cd</kbd> followed by the name of the directory.<br>
To edit settings, press <kbd><kbd>ctrl</kbd> + <kbd>,</kbd></kbd>
{{< /example >}}
## Sample output
For indicating sample output from a program use the `<samp>` tag.
{{< example >}}
<samp>This text is meant to be treated as sample output from a computer program.</samp>
{{< /example >}}

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---
layout: docs
title: Figures
description: Documentation and examples for displaying related images and text with the figure component in Bootstrap.
group: content
---
Anytime you need to display a piece of content—like an image with an optional caption, consider using a `<figure>`.
Use the included `.figure` , `.figure-img` and `.figure-caption` classes to provide some baseline styles for the HTML5 `<figure>` and `<figcaption>` elements. Images in figures have no explicit size, so be sure to add the `.img-fluid` class to your `<img>` to make it responsive.
{{< example >}}
<figure class="figure">
{{< placeholder width="400" height="300" class="figure-img img-fluid rounded" >}}
<figcaption class="figure-caption">A caption for the above image.</figcaption>
</figure>
{{< /example >}}
Aligning the figure's caption is easy with our [text utilities]({{< docsref "/utilities/text#text-alignment" >}}).
{{< example >}}
<figure class="figure">
{{< placeholder width="400" height="300" class="figure-img img-fluid rounded" >}}
<figcaption class="figure-caption text-right">A caption for the above image.</figcaption>
</figure>
{{< /example >}}

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---
layout: docs
title: Images
description: Documentation and examples for opting images into responsive behavior (so they never become larger than their parent elements) and add lightweight styles to them—all via classes.
group: content
toc: true
---
## Responsive images
Images in Bootstrap are made responsive with `.img-fluid`. `max-width: 100%;` and `height: auto;` are applied to the image so that it scales with the parent element.
{{< example >}}
{{< placeholder width="100%" height="250" class="bd-placeholder-img-lg img-fluid" text="Responsive image" >}}
{{< /example >}}
{{< callout warning >}}
##### SVG images and Internet Explorer
In Internet Explorer 10 and 11, SVG images with `.img-fluid` are disproportionately sized. To fix this, add `width: 100%;` or `.w-100` where necessary. This fix improperly sizes other image formats, so Bootstrap doesn't apply it automatically.
{{< /callout >}}
## Image thumbnails
In addition to our [border-radius utilities]({{< docsref "/utilities/borders" >}}), you can use `.img-thumbnail` to give an image a rounded 1px border appearance.
{{< example >}}
{{< placeholder width="200" height="200" class="img-thumbnail" title="A generic square placeholder image with a white border around it, making it resemble a photograph taken with an old instant camera" >}}
{{< /example >}}
## Aligning images
Align images with the [helper float classes]({{< docsref "/utilities/float" >}}) or [text alignment classes]({{< docsref "/utilities/text#text-alignment" >}}). `block`-level images can be centered using [the `.mx-auto` margin utility class]({{< docsref "/utilities/spacing#horizontal-centering" >}}).
{{< example >}}
{{< placeholder width="200" height="200" class="rounded float-left" >}}
{{< placeholder width="200" height="200" class="rounded float-right" >}}
{{< /example >}}
{{< example >}}
{{< placeholder width="200" height="200" class="rounded mx-auto d-block" >}}
{{< /example >}}
{{< example >}}
<div class="text-center">
{{< placeholder width="200" height="200" class="rounded" >}}
</div>
{{< /example >}}
## Picture
If you are using the `<picture>` element to specify multiple `<source>` elements for a specific `<img>`, make sure to add the `.img-*` classes to the `<img>` and not to the `<picture>` tag.
```html
<picture>
<source srcset="..." type="image/svg+xml">
<img src="..." class="img-fluid img-thumbnail" alt="...">
</picture>
```

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---
layout: docs
title: Reboot
description: Reboot, a collection of element-specific CSS changes in a single file, kickstart Bootstrap to provide an elegant, consistent, and simple baseline to build upon.
group: content
aliases: "/docs/4.6/content/"
toc: true
---
## Approach
Reboot builds upon Normalize, providing many HTML elements with somewhat opinionated styles using only element selectors. Additional styling is done only with classes. For example, we reboot some `<table>` styles for a simpler baseline and later provide `.table`, `.table-bordered`, and more.
Here are our guidelines and reasons for choosing what to override in Reboot:
- Update some browser default values to use `rem`s instead of `em`s for scalable component spacing.
- Avoid `margin-top`. Vertical margins can collapse, yielding unexpected results. More importantly though, a single direction of `margin` is a simpler mental model.
- For easier scaling across device sizes, block elements should use `rem`s for `margin`s.
- Keep declarations of `font`-related properties to a minimum, using `inherit` whenever possible.
## Page defaults
The `<html>` and `<body>` elements are updated to provide better page-wide defaults. More specifically:
- The `box-sizing` is globally set on every element—including `*::before` and `*::after`, to `border-box`. This ensures that the declared width of element is never exceeded due to padding or border.
- No base `font-size` is declared on the `<html>`, but `16px` is assumed (the browser default). `font-size: 1rem` is applied on the `<body>` for easy responsive type-scaling via media queries while respecting user preferences and ensuring a more accessible approach.
- The `<body>` also sets a global `font-family`, `line-height`, and `text-align`. This is inherited later by some form elements to prevent font inconsistencies.
- For safety, the `<body>` has a declared `background-color`, defaulting to `#fff`.
## Native font stack
The default web fonts (Helvetica Neue, Helvetica, and Arial) have been dropped in Bootstrap 4 and replaced with a "native font stack" for optimum text rendering on every device and OS. Read more about [native font stacks in this *Smashing Magazine* article](https://www.smashingmagazine.com/2015/11/using-system-ui-fonts-practical-guide/).
```scss
$font-family-sans-serif:
// Safari for macOS and iOS (San Francisco)
-apple-system,
// Chrome < 56 for macOS (San Francisco)
BlinkMacSystemFont,
// Windows
"Segoe UI",
// Android
Roboto,
// Basic web fallback
"Helvetica Neue", Arial,
// Linux
"Noto Sans",
"Liberation Sans",
// Sans serif fallback
sans-serif,
// Emoji fonts
"Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji" !default;
```
Note that because the font stack includes emoji fonts, many common symbol/dingbat Unicode characters will be rendered as multi-colored pictographs. Their appearance will vary, depending on the style used in the browser/platform's native emoji font, and they won't be affected by any CSS `color` styles.
This `font-family` is applied to the `<body>` and automatically inherited globally throughout Bootstrap. To switch the global `font-family`, update `$font-family-base` and recompile Bootstrap.
## Headings and paragraphs
All heading elements—e.g., `<h1>`—and `<p>` are reset to have their `margin-top` removed. Headings have `margin-bottom: .5rem` added and paragraphs `margin-bottom: 1rem` for easy spacing.
<table>
<thead>
<tr>
<th>Heading</th>
<th>Example</th>
</tr>
</thead>
<tbody>
<tr>
<td>
{{< markdown >}}`<h1></h1>`{{< /markdown >}}
</td>
<td><span class="h1">h1. Bootstrap heading</span></td>
</tr>
<tr>
<td>
{{< markdown >}}`<h2></h2>`{{< /markdown >}}
</td>
<td><span class="h2">h2. Bootstrap heading</span></td>
</tr>
<tr>
<td>
{{< markdown >}}`<h3></h3>`{{< /markdown >}}
</td>
<td><span class="h3">h3. Bootstrap heading</span></td>
</tr>
<tr>
<td>
{{< markdown >}}`<h4></h4>`{{< /markdown >}}
</td>
<td><span class="h4">h4. Bootstrap heading</span></td>
</tr>
<tr>
<td>
{{< markdown >}}`<h5></h5>`{{< /markdown >}}
</td>
<td><span class="h5">h5. Bootstrap heading</span></td>
</tr>
<tr>
<td>
{{< markdown >}}`<h6></h6>`{{< /markdown >}}
</td>
<td><span class="h6">h6. Bootstrap heading</span></td>
</tr>
</tbody>
</table>
## Lists
All lists—`<ul>`, `<ol>`, and `<dl>`—have their `margin-top` removed and a `margin-bottom: 1rem`. Nested lists have no `margin-bottom`.
<div class="bd-example">
{{< markdown >}}
* All lists have their top margin removed
* And their bottom margin normalized
* Nested lists have no bottom margin
* This way they have a more even appearance
* Particularly when followed by more list items
* The left padding has also been reset
1. Here's an ordered list
2. With a few list items
3. It has the same overall look
4. As the previous unordered list
{{< /markdown >}}
</div>
For simpler styling, clear hierarchy, and better spacing, description lists have updated `margin`s. `<dd>`s reset `margin-left` to `0` and add `margin-bottom: .5rem`. `<dt>`s are **bolded**.
<div class="bd-example">
<dl>
<dt>Description lists</dt>
<dd>A description list is perfect for defining terms.</dd>
<dt>Term</dt>
<dd>Definition for the term.</dd>
<dd>A second definition for the same term.</dd>
<dt>Another term</dt>
<dd>Definition for this other term.</dd>
</dl>
</div>
## Preformatted text
The `<pre>` element is reset to remove its `margin-top` and use `rem` units for its `margin-bottom`.
<div class="bd-example">
<pre>
.example-element {
margin-bottom: 1rem;
}
</pre>
</div>
## Tables
Tables are slightly adjusted to style `<caption>`s, collapse borders, and ensure consistent `text-align` throughout. Additional changes for borders, padding, and more come with [the `.table` class]({{< docsref "/content/tables" >}}).
<div class="bd-example">
<table>
<caption>
This is an example table, and this is its caption to describe the contents.
</caption>
<thead>
<tr>
<th>Table heading</th>
<th>Table heading</th>
<th>Table heading</th>
<th>Table heading</th>
</tr>
</thead>
<tbody>
<tr>
<td>Table cell</td>
<td>Table cell</td>
<td>Table cell</td>
<td>Table cell</td>
</tr>
<tr>
<td>Table cell</td>
<td>Table cell</td>
<td>Table cell</td>
<td>Table cell</td>
</tr>
<tr>
<td>Table cell</td>
<td>Table cell</td>
<td>Table cell</td>
<td>Table cell</td>
</tr>
</tbody>
</table>
</div>
## Forms
Various form elements have been rebooted for simpler base styles. Here are some of the most notable changes:
- `<fieldset>`s have no borders, padding, or margin so they can be easily used as wrappers for individual inputs or groups of inputs.
- `<legend>`s, like fieldsets, have also been restyled to be displayed as a heading of sorts.
- `<label>`s are set to `display: inline-block` to allow `margin` to be applied.
- `<input>`s, `<select>`s, `<textarea>`s, and `<button>`s are mostly addressed by Normalize, but Reboot removes their `margin` and sets `line-height: inherit`, too.
- `<textarea>`s are modified to only be resizable vertically as horizontal resizing often "breaks" page layout.
- `<button>`s and `<input>` button elements have `cursor: pointer` when `:not(:disabled)`.
These changes, and more, are demonstrated below.
<form class="bd-example">
<fieldset>
<legend>Example legend</legend>
<p>
<label for="input">Example input</label>
<input type="text" id="input" placeholder="Example input">
</p>
<p>
<label for="select">Example select</label>
<select id="select">
<option value="">Choose...</option>
<optgroup label="Option group 1">
<option value="">Option 1</option>
<option value="">Option 2</option>
<option value="">Option 3</option>
</optgroup>
<optgroup label="Option group 2">
<option value="">Option 4</option>
<option value="">Option 5</option>
<option value="">Option 6</option>
</optgroup>
</select>
</p>
<p>
<label>
<input type="checkbox" value="">
Check this checkbox
</label>
</p>
<p>
<label>
<input type="radio" name="optionsRadios" id="optionsRadios1" value="option1" checked>
Option one is this and that
</label>
<label>
<input type="radio" name="optionsRadios" id="optionsRadios2" value="option2">
Option two is something else that's also super long to demonstrate the wrapping of these fancy form controls.
</label>
<label>
<input type="radio" name="optionsRadios" id="optionsRadios3" value="option3" disabled>
Option three is disabled
</label>
</p>
<p>
<label for="textarea">Example textarea</label>
<textarea id="textarea" rows="3"></textarea>
</p>
<p>
<label for="date">Example date</label>
<input type="date" id="date">
</p>
<p>
<label for="time">Example time</label>
<input type="time" id="time">
</p>
<p>
<label for="output">Example output</label>
<output name="result" id="output">100</output>
</p>
<p>
<button type="submit">Button submit</button>
<input type="submit" value="Input submit button">
<input type="reset" value="Input reset button">
<input type="button" value="Input button">
</p>
<p>
<button type="submit" disabled>Button submit</button>
<input type="submit" value="Input submit button" disabled>
<input type="reset" value="Input reset button" disabled>
<input type="button" value="Input button" disabled>
</p>
</fieldset>
</form>
### Pointers on buttons
Reboot includes an enhancement for `role="button"` to change the default cursor to `pointer`. Add this attribute to elements to help indicate elements are interactive. This role isn't necessary for `<button>` elements, which get their own `cursor` change.
{{< example >}}
<span role="button" tabindex="0">Non-button element button</span>
{{< /example >}}
## Misc elements
### Address
The `<address>` element is updated to reset the browser default `font-style` from `italic` to `normal`. `line-height` is also now inherited, and `margin-bottom: 1rem` has been added. `<address>`s are for presenting contact information for the nearest ancestor (or an entire body of work). Preserve formatting by ending lines with `<br>`.
<div class="bd-example">
<address>
<strong>Twitter, Inc.</strong><br>
1355 Market St, Suite 900<br>
San Francisco, CA 94103<br>
<abbr title="Phone">P:</abbr> (123) 456-7890
</address>
<address>
<strong>Full Name</strong><br>
<a href="mailto:first.last@example.com">first.last@example.com</a>
</address>
</div>
### Blockquote
The default `margin` on blockquotes is `1em 40px`, so we reset that to `0 0 1rem` for something more consistent with other elements.
<div class="bd-example">
<blockquote class="blockquote">
<p>A well-known quote, contained in a blockquote element.</p>
<footer>Someone famous in <cite title="Source Title">Source Title</cite></footer>
</blockquote>
</div>
### Inline elements
The `<abbr>` element receives basic styling to make it stand out amongst paragraph text.
<div class="bd-example">
Nulla <abbr title="attribute">attr</abbr> vitae elit libero, a pharetra augue.
</div>
### Summary
The default `cursor` on summary is `text`, so we reset that to `pointer` to convey that the element can be interacted with by clicking on it.
<div class="bd-example">
<details>
<summary>Some details</summary>
<p>More info about the details.</p>
</details>
<details open>
<summary>Even more details</summary>
<p>Here are even more details about the details.</p>
</details>
</div>
## HTML5 `[hidden]` attribute
HTML5 adds [a new global attribute named `[hidden]`](https://developer.mozilla.org/en-US/docs/Web/HTML/Global_attributes/hidden), which is styled as `display: none` by default. Borrowing an idea from [PureCSS](https://purecss.io/), we improve upon this default by making `[hidden] { display: none !important; }` to help prevent its `display` from getting accidentally overridden. While `[hidden]` isn't natively supported by IE10, the explicit declaration in our CSS gets around that problem.
```html
<input type="text" hidden>
```
{{< callout warning >}}
##### jQuery incompatibility
`[hidden]` is not compatible with jQuery's `$(...).hide()` and `$(...).show()` methods. Therefore, we don't currently especially endorse `[hidden]` over other techniques for managing the `display` of elements.
{{< /callout >}}
To merely toggle the visibility of an element, meaning its `display` is not modified and the element can still affect the flow of the document, use [the `.invisible` class]({{< docsref "/utilities/visibility" >}}) instead.

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---
layout: docs
title: Tables
description: Documentation and examples for opt-in styling of tables (given their prevalent use in JavaScript plugins) with Bootstrap.
group: content
toc: true
---
## Examples
Due to the widespread use of tables across third-party widgets like calendars and date pickers, we've designed our tables to be **opt-in**. Just add the base class `.table` to any `<table>`, then extend with custom styles or our various included modifier classes.
Using the most basic table markup, here's how `.table`-based tables look in Bootstrap. **All table styles are inherited in Bootstrap 4**, meaning any nested tables will be styled in the same manner as the parent.
{{< example >}}
<table class="table">
<thead>
<tr>
<th scope="col">#</th>
<th scope="col">First</th>
<th scope="col">Last</th>
<th scope="col">Handle</th>
</tr>
</thead>
<tbody>
<tr>
<th scope="row">1</th>
<td>Mark</td>
<td>Otto</td>
<td>@mdo</td>
</tr>
<tr>
<th scope="row">2</th>
<td>Jacob</td>
<td>Thornton</td>
<td>@fat</td>
</tr>
<tr>
<th scope="row">3</th>
<td>Larry</td>
<td>the Bird</td>
<td>@twitter</td>
</tr>
</tbody>
</table>
{{< /example >}}
You can also invert the colors—with light text on dark backgrounds—with `.table-dark`.
{{< example >}}
<table class="table table-dark">
<thead>
<tr>
<th scope="col">#</th>
<th scope="col">First</th>
<th scope="col">Last</th>
<th scope="col">Handle</th>
</tr>
</thead>
<tbody>
<tr>
<th scope="row">1</th>
<td>Mark</td>
<td>Otto</td>
<td>@mdo</td>
</tr>
<tr>
<th scope="row">2</th>
<td>Jacob</td>
<td>Thornton</td>
<td>@fat</td>
</tr>
<tr>
<th scope="row">3</th>
<td>Larry</td>
<td>the Bird</td>
<td>@twitter</td>
</tr>
</tbody>
</table>
{{< /example >}}
## Table head options
Similar to tables and dark tables, use the modifier classes `.thead-light` or `.thead-dark` to make `<thead>`s appear light or dark gray.
{{< example >}}
<table class="table">
<thead class="thead-dark">
<tr>
<th scope="col">#</th>
<th scope="col">First</th>
<th scope="col">Last</th>
<th scope="col">Handle</th>
</tr>
</thead>
<tbody>
<tr>
<th scope="row">1</th>
<td>Mark</td>
<td>Otto</td>
<td>@mdo</td>
</tr>
<tr>
<th scope="row">2</th>
<td>Jacob</td>
<td>Thornton</td>
<td>@fat</td>
</tr>
<tr>
<th scope="row">3</th>
<td>Larry</td>
<td>the Bird</td>
<td>@twitter</td>
</tr>
</tbody>
</table>
<table class="table">
<thead class="thead-light">
<tr>
<th scope="col">#</th>
<th scope="col">First</th>
<th scope="col">Last</th>
<th scope="col">Handle</th>
</tr>
</thead>
<tbody>
<tr>
<th scope="row">1</th>
<td>Mark</td>
<td>Otto</td>
<td>@mdo</td>
</tr>
<tr>
<th scope="row">2</th>
<td>Jacob</td>
<td>Thornton</td>
<td>@fat</td>
</tr>
<tr>
<th scope="row">3</th>
<td>Larry</td>
<td>the Bird</td>
<td>@twitter</td>
</tr>
</tbody>
</table>
{{< /example >}}
## Striped rows
Use `.table-striped` to add zebra-striping to any table row within the `<tbody>`.
{{< example >}}
<table class="table table-striped">
<thead>
<tr>
<th scope="col">#</th>
<th scope="col">First</th>
<th scope="col">Last</th>
<th scope="col">Handle</th>
</tr>
</thead>
<tbody>
<tr>
<th scope="row">1</th>
<td>Mark</td>
<td>Otto</td>
<td>@mdo</td>
</tr>
<tr>
<th scope="row">2</th>
<td>Jacob</td>
<td>Thornton</td>
<td>@fat</td>
</tr>
<tr>
<th scope="row">3</th>
<td>Larry</td>
<td>the Bird</td>
<td>@twitter</td>
</tr>
</tbody>
</table>
{{< /example >}}
{{< example >}}
<table class="table table-striped table-dark">
<thead>
<tr>
<th scope="col">#</th>
<th scope="col">First</th>
<th scope="col">Last</th>
<th scope="col">Handle</th>
</tr>
</thead>
<tbody>
<tr>
<th scope="row">1</th>
<td>Mark</td>
<td>Otto</td>
<td>@mdo</td>
</tr>
<tr>
<th scope="row">2</th>
<td>Jacob</td>
<td>Thornton</td>
<td>@fat</td>
</tr>
<tr>
<th scope="row">3</th>
<td>Larry</td>
<td>the Bird</td>
<td>@twitter</td>
</tr>
</tbody>
</table>
{{< /example >}}
## Bordered table
Add `.table-bordered` for borders on all sides of the table and cells.
{{< example >}}
<table class="table table-bordered">
<thead>
<tr>
<th scope="col">#</th>
<th scope="col">First</th>
<th scope="col">Last</th>
<th scope="col">Handle</th>
</tr>
</thead>
<tbody>
<tr>
<th scope="row">1</th>
<td>Mark</td>
<td>Otto</td>
<td>@mdo</td>
</tr>
<tr>
<th scope="row">2</th>
<td>Jacob</td>
<td>Thornton</td>
<td>@fat</td>
</tr>
<tr>
<th scope="row">3</th>
<td colspan="2">Larry the Bird</td>
<td>@twitter</td>
</tr>
</tbody>
</table>
{{< /example >}}
{{< example >}}
<table class="table table-bordered table-dark">
<thead>
<tr>
<th scope="col">#</th>
<th scope="col">First</th>
<th scope="col">Last</th>
<th scope="col">Handle</th>
</tr>
</thead>
<tbody>
<tr>
<th scope="row">1</th>
<td>Mark</td>
<td>Otto</td>
<td>@mdo</td>
</tr>
<tr>
<th scope="row">2</th>
<td>Jacob</td>
<td>Thornton</td>
<td>@fat</td>
</tr>
<tr>
<th scope="row">3</th>
<td colspan="2">Larry the Bird</td>
<td>@twitter</td>
</tr>
</tbody>
</table>
{{< /example >}}
## Borderless table
Add `.table-borderless` for a table without borders.
{{< example >}}
<table class="table table-borderless">
<thead>
<tr>
<th scope="col">#</th>
<th scope="col">First</th>
<th scope="col">Last</th>
<th scope="col">Handle</th>
</tr>
</thead>
<tbody>
<tr>
<th scope="row">1</th>
<td>Mark</td>
<td>Otto</td>
<td>@mdo</td>
</tr>
<tr>
<th scope="row">2</th>
<td>Jacob</td>
<td>Thornton</td>
<td>@fat</td>
</tr>
<tr>
<th scope="row">3</th>
<td colspan="2">Larry the Bird</td>
<td>@twitter</td>
</tr>
</tbody>
</table>
{{< /example >}}
`.table-borderless` can also be used on dark tables.
{{< example >}}
<table class="table table-borderless table-dark">
<thead>
<tr>
<th scope="col">#</th>
<th scope="col">First</th>
<th scope="col">Last</th>
<th scope="col">Handle</th>
</tr>
</thead>
<tbody>
<tr>
<th scope="row">1</th>
<td>Mark</td>
<td>Otto</td>
<td>@mdo</td>
</tr>
<tr>
<th scope="row">2</th>
<td>Jacob</td>
<td>Thornton</td>
<td>@fat</td>
</tr>
<tr>
<th scope="row">3</th>
<td colspan="2">Larry the Bird</td>
<td>@twitter</td>
</tr>
</tbody>
</table>
{{< /example >}}
## Hoverable rows
Add `.table-hover` to enable a hover state on table rows within a `<tbody>`.
{{< example >}}
<table class="table table-hover">
<thead>
<tr>
<th scope="col">#</th>
<th scope="col">First</th>
<th scope="col">Last</th>
<th scope="col">Handle</th>
</tr>
</thead>
<tbody>
<tr>
<th scope="row">1</th>
<td>Mark</td>
<td>Otto</td>
<td>@mdo</td>
</tr>
<tr>
<th scope="row">2</th>
<td>Jacob</td>
<td>Thornton</td>
<td>@fat</td>
</tr>
<tr>
<th scope="row">3</th>
<td colspan="2">Larry the Bird</td>
<td>@twitter</td>
</tr>
</tbody>
</table>
{{< /example >}}
{{< example >}}
<table class="table table-hover table-dark">
<thead>
<tr>
<th scope="col">#</th>
<th scope="col">First</th>
<th scope="col">Last</th>
<th scope="col">Handle</th>
</tr>
</thead>
<tbody>
<tr>
<th scope="row">1</th>
<td>Mark</td>
<td>Otto</td>
<td>@mdo</td>
</tr>
<tr>
<th scope="row">2</th>
<td>Jacob</td>
<td>Thornton</td>
<td>@fat</td>
</tr>
<tr>
<th scope="row">3</th>
<td colspan="2">Larry the Bird</td>
<td>@twitter</td>
</tr>
</tbody>
</table>
{{< /example >}}
## Small table
Add `.table-sm` to make tables more compact by cutting cell padding in half.
{{< example >}}
<table class="table table-sm">
<thead>
<tr>
<th scope="col">#</th>
<th scope="col">First</th>
<th scope="col">Last</th>
<th scope="col">Handle</th>
</tr>
</thead>
<tbody>
<tr>
<th scope="row">1</th>
<td>Mark</td>
<td>Otto</td>
<td>@mdo</td>
</tr>
<tr>
<th scope="row">2</th>
<td>Jacob</td>
<td>Thornton</td>
<td>@fat</td>
</tr>
<tr>
<th scope="row">3</th>
<td colspan="2">Larry the Bird</td>
<td>@twitter</td>
</tr>
</tbody>
</table>
{{< /example >}}
{{< example >}}
<table class="table table-sm table-dark">
<thead>
<tr>
<th scope="col">#</th>
<th scope="col">First</th>
<th scope="col">Last</th>
<th scope="col">Handle</th>
</tr>
</thead>
<tbody>
<tr>
<th scope="row">1</th>
<td>Mark</td>
<td>Otto</td>
<td>@mdo</td>
</tr>
<tr>
<th scope="row">2</th>
<td>Jacob</td>
<td>Thornton</td>
<td>@fat</td>
</tr>
<tr>
<th scope="row">3</th>
<td colspan="2">Larry the Bird</td>
<td>@twitter</td>
</tr>
</tbody>
</table>
{{< /example >}}
## Contextual classes
Use contextual classes to color table rows or individual cells.
<div class="bd-example">
<table class="table">
<thead>
<tr>
<th scope="col">Class</th>
<th scope="col">Heading</th>
<th scope="col">Heading</th>
</tr>
</thead>
<tbody>
<tr class="table-active">
<th scope="row">Active</th>
<td>Cell</td>
<td>Cell</td>
</tr>
<tr>
<th scope="row">Default</th>
<td>Cell</td>
<td>Cell</td>
</tr>
{{< table.inline >}}
{{- range (index $.Site.Data "theme-colors") }}
<tr class="table-{{ .name }}">
<th scope="row">{{ .name | title }}</th>
<td>Cell</td>
<td>Cell</td>
</tr>
{{- end -}}
{{< /table.inline >}}
</tbody>
</table>
</div>
{{< highlight html >}}
<!-- On rows -->
<tr class="table-active">...</tr>{{< table.inline >}}
{{- range (index $.Site.Data "theme-colors") }}
<tr class="table-{{ .name }}">...</tr>
{{- end -}}
{{< /table.inline >}}
<!-- On cells (`td` or `th`) -->
<tr>
<td class="table-active">...</td>{{< table.inline >}}
{{- range (index $.Site.Data "theme-colors") }}
<td class="table-{{ .name }}">...</td>
{{- end -}}
{{< /table.inline >}}
</tr>
{{< /highlight >}}
Regular table background variants are not available with the dark table, however, you may use [text or background utilities]({{< docsref "/utilities/colors" >}}) to achieve similar styles.
<div class="bd-example">
<table class="table table-dark">
<thead>
<tr>
<th scope="col">#</th>
<th scope="col">Heading</th>
<th scope="col">Heading</th>
</tr>
</thead>
<tbody>
<tr class="bg-primary">
<th scope="row">1</th>
<td>Cell</td>
<td>Cell</td>
</tr>
<tr>
<th scope="row">2</th>
<td>Cell</td>
<td>Cell</td>
</tr>
<tr class="bg-success">
<th scope="row">3</th>
<td>Cell</td>
<td>Cell</td>
</tr>
<tr>
<th scope="row">4</th>
<td>Cell</td>
<td>Cell</td>
</tr>
<tr class="bg-info">
<th scope="row">5</th>
<td>Cell</td>
<td>Cell</td>
</tr>
<tr>
<th scope="row">6</th>
<td>Cell</td>
<td>Cell</td>
</tr>
<tr class="bg-warning">
<th scope="row">7</th>
<td>Cell</td>
<td>Cell</td>
</tr>
<tr>
<th scope="row">8</th>
<td>Cell</td>
<td>Cell</td>
</tr>
<tr class="bg-danger">
<th scope="row">9</th>
<td>Cell</td>
<td>Cell</td>
</tr>
</tbody>
</table>
</div>
```html
<!-- On rows -->
<tr class="bg-primary">...</tr>
<tr class="bg-success">...</tr>
<tr class="bg-warning">...</tr>
<tr class="bg-danger">...</tr>
<tr class="bg-info">...</tr>
<!-- On cells (`td` or `th`) -->
<tr>
<td class="bg-primary">...</td>
<td class="bg-success">...</td>
<td class="bg-warning">...</td>
<td class="bg-danger">...</td>
<td class="bg-info">...</td>
</tr>
```
{{< callout warning >}}
{{< partial "callout-warning-color-assistive-technologies.md" >}}
{{< /callout >}}
Create responsive tables by wrapping any `.table` with `.table-responsive{-sm|-md|-lg|-xl}`, making the table scroll horizontally at each `max-width` breakpoint of up to (but not including) 576px, 768px, 992px, and 1120px, respectively.
{{< callout info >}}
{{< partial "callout-info-mediaqueries-breakpoints.md" >}}
{{< /callout >}}
## Captions
A `<caption>` functions like a heading for a table. It helps users with screen readers to find a table and understand what it's about and decide if they want to read it.
{{< example >}}
<table class="table">
<caption>List of users</caption>
<thead>
<tr>
<th scope="col">#</th>
<th scope="col">First</th>
<th scope="col">Last</th>
<th scope="col">Handle</th>
</tr>
</thead>
<tbody>
<tr>
<th scope="row">1</th>
<td>Mark</td>
<td>Otto</td>
<td>@mdo</td>
</tr>
<tr>
<th scope="row">2</th>
<td>Jacob</td>
<td>Thornton</td>
<td>@fat</td>
</tr>
<tr>
<th scope="row">3</th>
<td>Larry</td>
<td>the Bird</td>
<td>@twitter</td>
</tr>
</tbody>
</table>
{{< /example >}}
## Responsive tables
Responsive tables allow tables to be scrolled horizontally with ease. Make any table responsive across all viewports by wrapping a `.table` with `.table-responsive`. Or, pick a maximum breakpoint with which to have a responsive table up to by using `.table-responsive{-sm|-md|-lg|-xl}`.
{{< callout warning >}}
##### Vertical clipping/truncation
Responsive tables make use of `overflow-y: hidden`, which clips off any content that goes beyond the bottom or top edges of the table. In particular, this can clip off dropdown menus and other third-party widgets.
{{< /callout >}}
### Always responsive
Across every breakpoint, use `.table-responsive` for horizontally scrolling tables.
<div class="bd-example">
<div class="table-responsive">
<table class="table">
<thead>
<tr>
<th scope="col">#</th>
<th scope="col">Heading</th>
<th scope="col">Heading</th>
<th scope="col">Heading</th>
<th scope="col">Heading</th>
<th scope="col">Heading</th>
<th scope="col">Heading</th>
<th scope="col">Heading</th>
<th scope="col">Heading</th>
<th scope="col">Heading</th>
</tr>
</thead>
<tbody>
<tr>
<th scope="row">1</th>
<td>Cell</td>
<td>Cell</td>
<td>Cell</td>
<td>Cell</td>
<td>Cell</td>
<td>Cell</td>
<td>Cell</td>
<td>Cell</td>
<td>Cell</td>
</tr>
<tr>
<th scope="row">2</th>
<td>Cell</td>
<td>Cell</td>
<td>Cell</td>
<td>Cell</td>
<td>Cell</td>
<td>Cell</td>
<td>Cell</td>
<td>Cell</td>
<td>Cell</td>
</tr>
<tr>
<th scope="row">3</th>
<td>Cell</td>
<td>Cell</td>
<td>Cell</td>
<td>Cell</td>
<td>Cell</td>
<td>Cell</td>
<td>Cell</td>
<td>Cell</td>
<td>Cell</td>
</tr>
</tbody>
</table>
</div>
</div>
```html
<div class="table-responsive">
<table class="table">
...
</table>
</div>
```
### Breakpoint specific
Use `.table-responsive{-sm|-md|-lg|-xl}` as needed to create responsive tables up to a particular breakpoint. From that breakpoint and up, the table will behave normally and not scroll horizontally.
**These tables may appear broken until their responsive styles apply at specific viewport widths.**
{{< tables.inline >}}
{{ range $.Site.Data.breakpoints }}
{{ if not (eq .breakpoint "xs") }}
<div class="bd-example">
<div class="table-responsive{{ .abbr }}">
<table class="table">
<thead>
<tr>
<th scope="col">#</th>
<th scope="col">Heading</th>
<th scope="col">Heading</th>
<th scope="col">Heading</th>
<th scope="col">Heading</th>
<th scope="col">Heading</th>
<th scope="col">Heading</th>
<th scope="col">Heading</th>
<th scope="col">Heading</th>
</tr>
</thead>
<tbody>
<tr>
<th scope="row">1</th>
<td>Cell</td>
<td>Cell</td>
<td>Cell</td>
<td>Cell</td>
<td>Cell</td>
<td>Cell</td>
<td>Cell</td>
<td>Cell</td>
</tr>
<tr>
<th scope="row">2</th>
<td>Cell</td>
<td>Cell</td>
<td>Cell</td>
<td>Cell</td>
<td>Cell</td>
<td>Cell</td>
<td>Cell</td>
<td>Cell</td>
</tr>
<tr>
<th scope="row">3</th>
<td>Cell</td>
<td>Cell</td>
<td>Cell</td>
<td>Cell</td>
<td>Cell</td>
<td>Cell</td>
<td>Cell</td>
<td>Cell</td>
</tr>
</tbody>
</table>
</div>
</div>
{{ end -}}
{{- end -}}
{{< /tables.inline >}}
{{< highlight html >}}
{{< tables.inline >}}
{{- range $.Site.Data.breakpoints -}}
{{- if not (eq .breakpoint "xs") }}
<div class="table-responsive{{ .abbr }}">
<table class="table">
...
</table>
</div>
{{ end -}}
{{- end -}}
{{< /tables.inline >}}
{{< /highlight >}}

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---
layout: docs
title: Typography
description: Documentation and examples for Bootstrap typography, including global settings, headings, body text, lists, and more.
group: content
toc: true
---
## Global settings
Bootstrap sets basic global display, typography, and link styles. When more control is needed, check out the [textual utility classes]({{< docsref "/utilities/text" >}}).
- Use a [native font stack]({{< docsref "/content/reboot#native-font-stack" >}}) that selects the best `font-family` for each OS and device.
- For a more inclusive and accessible type scale, we use the browser's default root `font-size` (typically 16px) so visitors can customize their browser defaults as needed.
- Use the `$font-family-base`, `$font-size-base`, and `$line-height-base` attributes as our typographic base applied to the `<body>`.
- Set the global link color via `$link-color` and apply link underlines only on `:hover`.
- Use `$body-bg` to set a `background-color` on the `<body>` (`#fff` by default).
These styles can be found within `_reboot.scss`, and the global variables are defined in `_variables.scss`. Make sure to set `$font-size-base` in `rem`.
## Headings
All HTML headings, `<h1>` through `<h6>`, are available.
<table>
<thead>
<tr>
<th>Heading</th>
<th>Example</th>
</tr>
</thead>
<tbody>
<tr>
<td>
{{< markdown >}}`<h1></h1>`{{< /markdown >}}
</td>
<td><span class="h1">h1. Bootstrap heading</span></td>
</tr>
<tr>
<td>
{{< markdown >}}`<h2></h2>`{{< /markdown >}}
</td>
<td><span class="h2">h2. Bootstrap heading</span></td>
</tr>
<tr>
<td>
{{< markdown >}}`<h3></h3>`{{< /markdown >}}
</td>
<td><span class="h3">h3. Bootstrap heading</span></td>
</tr>
<tr>
<td>
{{< markdown >}}`<h4></h4>`{{< /markdown >}}
</td>
<td><span class="h4">h4. Bootstrap heading</span></td>
</tr>
<tr>
<td>
{{< markdown >}}`<h5></h5>`{{< /markdown >}}
</td>
<td><span class="h5">h5. Bootstrap heading</span></td>
</tr>
<tr>
<td>
{{< markdown >}}`<h6></h6>`{{< /markdown >}}
</td>
<td><span class="h6">h6. Bootstrap heading</span></td>
</tr>
</tbody>
</table>
```html
<h1>h1. Bootstrap heading</h1>
<h2>h2. Bootstrap heading</h2>
<h3>h3. Bootstrap heading</h3>
<h4>h4. Bootstrap heading</h4>
<h5>h5. Bootstrap heading</h5>
<h6>h6. Bootstrap heading</h6>
```
`.h1` through `.h6` classes are also available, for when you want to match the font styling of a heading but cannot use the associated HTML element.
{{< example >}}
<p class="h1">h1. Bootstrap heading</p>
<p class="h2">h2. Bootstrap heading</p>
<p class="h3">h3. Bootstrap heading</p>
<p class="h4">h4. Bootstrap heading</p>
<p class="h5">h5. Bootstrap heading</p>
<p class="h6">h6. Bootstrap heading</p>
{{< /example >}}
### Customizing headings
Use the included utility classes to recreate the small secondary heading text from Bootstrap 3.
{{< example >}}
<h3>
Fancy display heading
<small class="text-muted">With faded secondary text</small>
</h3>
{{< /example >}}
## Display headings
Traditional heading elements are designed to work best in the meat of your page content. When you need a heading to stand out, consider using a **display heading**—a larger, slightly more opinionated heading style. Keep in mind these headings are not responsive by default, but it's possible to enable [responsive font sizes](#responsive-font-sizes).
<div class="bd-example bd-example-type">
<table class="table">
<tbody>
<tr>
<td><span class="display-1">Display 1</span></td>
</tr>
<tr>
<td><span class="display-2">Display 2</span></td>
</tr>
<tr>
<td><span class="display-3">Display 3</span></td>
</tr>
<tr>
<td><span class="display-4">Display 4</span></td>
</tr>
</tbody>
</table>
</div>
```html
<h1 class="display-1">Display 1</h1>
<h1 class="display-2">Display 2</h1>
<h1 class="display-3">Display 3</h1>
<h1 class="display-4">Display 4</h1>
```
## Lead
Make a paragraph stand out by adding `.lead`.
{{< example >}}
<p class="lead">
This is a lead paragraph. It stands out from regular paragraphs.
</p>
{{< /example >}}
## Inline text elements
Styling for common inline HTML5 elements.
{{< example >}}
<p>You can use the mark tag to <mark>highlight</mark> text.</p>
<p><del>This line of text is meant to be treated as deleted text.</del></p>
<p><s>This line of text is meant to be treated as no longer accurate.</s></p>
<p><ins>This line of text is meant to be treated as an addition to the document.</ins></p>
<p><u>This line of text will render as underlined</u></p>
<p><small>This line of text is meant to be treated as fine print.</small></p>
<p><strong>This line rendered as bold text.</strong></p>
<p><em>This line rendered as italicized text.</em></p>
{{< /example >}}
`.mark` and `.small` classes are also available to apply the same styles as `<mark>` and `<small>` while avoiding any unwanted semantic implications that the tags would bring.
While not shown above, feel free to use `<b>` and `<i>` in HTML5. `<b>` is meant to highlight words or phrases without conveying additional importance while `<i>` is mostly for voice, technical terms, etc.
## Text utilities
Change text alignment, transform, style, weight, and color with our [text utilities]({{< docsref "/utilities/text" >}}) and [color utilities]({{< docsref "/utilities/colors" >}}).
## Abbreviations
Stylized implementation of HTML's `<abbr>` element for abbreviations and acronyms to show the expanded version on hover. Abbreviations have a default underline and gain a help cursor to provide additional context on hover and to users of assistive technologies.
Add `.initialism` to an abbreviation for a slightly smaller font-size.
{{< example >}}
<p><abbr title="attribute">attr</abbr></p>
<p><abbr title="HyperText Markup Language" class="initialism">HTML</abbr></p>
{{< /example >}}
## Blockquotes
For quoting blocks of content from another source within your document. Wrap `<blockquote class="blockquote">` around any <abbr title="HyperText Markup Language">HTML</abbr> as the quote.
{{< example >}}
<blockquote class="blockquote">
<p class="mb-0">A well-known quote, contained in a blockquote element.</p>
</blockquote>
{{< /example >}}
### Naming a source
Add a `<footer class="blockquote-footer">` for identifying the source. Wrap the name of the source work in `<cite>`.
{{< example >}}
<blockquote class="blockquote">
<p class="mb-0">A well-known quote, contained in a blockquote element.</p>
<footer class="blockquote-footer">Someone famous in <cite title="Source Title">Source Title</cite></footer>
</blockquote>
{{< /example >}}
### Alignment
Use text utilities as needed to change the alignment of your blockquote.
{{< example >}}
<blockquote class="blockquote text-center">
<p class="mb-0">A well-known quote, contained in a blockquote element.</p>
<footer class="blockquote-footer">Someone famous in <cite title="Source Title">Source Title</cite></footer>
</blockquote>
{{< /example >}}
{{< example >}}
<blockquote class="blockquote text-right">
<p class="mb-0">A well-known quote, contained in a blockquote element.</p>
<footer class="blockquote-footer">Someone famous in <cite title="Source Title">Source Title</cite></footer>
</blockquote>
{{< /example >}}
## Lists
### Unstyled
Remove the default `list-style` and left margin on list items (immediate children only). **This only applies to immediate children list items**, meaning you will need to add the class for any nested lists as well.
{{< example >}}
<ul class="list-unstyled">
<li>This is a list.</li>
<li>It appears completely unstyled.</li>
<li>Structurally, it's still a list.</li>
<li>However, this style only applies to immediate child elements.</li>
<li>Nested lists:
<ul>
<li>are unaffected by this style</li>
<li>will still show a bullet</li>
<li>and have appropriate left margin</li>
</ul>
</li>
<li>This may still come in handy in some situations.</li>
</ul>
{{< /example >}}
### Inline
Remove a list's bullets and apply some light `margin` with a combination of two classes, `.list-inline` and `.list-inline-item`.
{{< example >}}
<ul class="list-inline">
<li class="list-inline-item">This is a list item.</li>
<li class="list-inline-item">And another one.</li>
<li class="list-inline-item">But they're displayed inline.</li>
</ul>
{{< /example >}}
### Description list alignment
Align terms and descriptions horizontally by using our grid system's predefined classes (or semantic mixins). For longer terms, you can optionally add a `.text-truncate` class to truncate the text with an ellipsis.
{{< example >}}
<dl class="row">
<dt class="col-sm-3">Description lists</dt>
<dd class="col-sm-9">A description list is perfect for defining terms.</dd>
<dt class="col-sm-3">Term</dt>
<dd class="col-sm-9">
<p>Definition for the term.</p>
<p>And some more placeholder definition text.</p>
</dd>
<dt class="col-sm-3">Another term</dt>
<dd class="col-sm-9">This definition is short, so no extra paragraphs or anything.</dd>
<dt class="col-sm-3 text-truncate">Truncated term is truncated</dt>
<dd class="col-sm-9">This can be useful when space is tight. Adds an ellipsis at the end.</dd>
<dt class="col-sm-3">Nesting</dt>
<dd class="col-sm-9">
<dl class="row">
<dt class="col-sm-4">Nested definition list</dt>
<dd class="col-sm-8">I heard you like definition lists. Let me put a definition list inside your definition list.</dd>
</dl>
</dd>
</dl>
{{< /example >}}
## Responsive font sizes
As of v4.3.0, Bootstrap ships with the option to enable responsive font sizes, allowing text to scale more naturally across device and viewport sizes. <abbr title="Responsive font sizes">RFS</abbr> can be enabled by changing the `$enable-responsive-font-sizes` Sass variable to `true` and recompiling Bootstrap.
To support <abbr title="Responsive font sizes">RFS</abbr>, we use a Sass mixin to replace our normal `font-size` properties. Responsive font sizes will be compiled into `calc()` functions with a mix of `rem` and viewport units to enable the responsive scaling behavior. More about <abbr title="Responsive font sizes">RFS</abbr> and its configuration can be found on its [GitHub repository](https://github.com/twbs/rfs/tree/{{< param "rfs_version" >}}).

15
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{
"extends": [
"stylelint-config-twbs-bootstrap"
],
"rules": {
"at-rule-no-vendor-prefix": null,
"comment-empty-line-before": null,
"media-feature-name-no-vendor-prefix": null,
"property-disallowed-list": null,
"property-no-vendor-prefix": null,
"selector-no-qualifying-type": null,
"selector-no-vendor-prefix": null,
"value-no-vendor-prefix": null
}
}

31
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---
layout: single
title: Examples
description: Quickly get a project started with any of our examples ranging from using parts of the framework to custom components and layouts.
aliases: "/examples/"
---
{{< list-examples.inline >}}
{{ range $entry := $.Site.Data.examples -}}
<h2>{{ $entry.category }}</h2>
<p>{{ $entry.description }}</p>
{{ range $i, $example := $entry.examples -}}
{{- $len := len $entry.examples -}}
{{ if (eq $i 0) }}<div class="row">{{ end }}
<div class="col-sm-6 col-md-4 col-xl-3 mb-3">
<a href="/docs/{{ $.Site.Params.docs_version }}/examples/{{ $example.name | urlize }}/">
<img class="img-thumbnail mb-3" srcset="/docs/{{ $.Site.Params.docs_version }}/assets/img/examples/{{ $example.name | urlize }}.png,
/docs/{{ $.Site.Params.docs_version }}/assets/img/examples/{{ $example.name | urlize }}@2x.png 2x"
src="/docs/{{ $.Site.Params.docs_version }}/assets/img/examples/{{ $example.name | urlize }}.png"
alt=""
width="480" height="300"
loading="lazy">
<h3 class="h5 mb-1">{{ $example.name }}</h3>
</a>
<p class="text-muted">{{ $example.description }}</p>
</div>
{{ if (eq (add $i 1) $len) }}</div>{{ end }}
{{ end -}}
{{ end -}}
{{< /list-examples.inline >}}

33
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.jumbotron {
padding-top: 3rem;
padding-bottom: 3rem;
margin-bottom: 0;
background-color: #fff;
}
@media (min-width: 768px) {
.jumbotron {
padding-top: 6rem;
padding-bottom: 6rem;
}
}
.jumbotron p:last-child {
margin-bottom: 0;
}
.jumbotron h1 {
font-weight: 300;
}
.jumbotron .container {
max-width: 40rem;
}
footer {
padding-top: 3rem;
padding-bottom: 3rem;
}
footer p {
margin-bottom: .25rem;
}

208
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---
layout: examples
title: Album example
extra_css:
- "album.css"
---
<header>
<div class="collapse bg-dark" id="navbarHeader">
<div class="container">
<div class="row">
<div class="col-sm-8 col-md-7 py-4">
<h4 class="text-white">About</h4>
<p class="text-muted">Add some information about the album below, the author, or any other background context. Make it a few sentences long so folks can pick up some informative tidbits. Then, link them off to some social networking sites or contact information.</p>
</div>
<div class="col-sm-4 offset-md-1 py-4">
<h4 class="text-white">Contact</h4>
<ul class="list-unstyled">
<li><a href="#" class="text-white">Follow on Twitter</a></li>
<li><a href="#" class="text-white">Like on Facebook</a></li>
<li><a href="#" class="text-white">Email me</a></li>
</ul>
</div>
</div>
</div>
</div>
<div class="navbar navbar-dark bg-dark shadow-sm">
<div class="container d-flex justify-content-between">
<a href="#" class="navbar-brand d-flex align-items-center">
<svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" fill="none" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round" stroke-width="2" aria-hidden="true" class="mr-2" viewBox="0 0 24 24" focusable="false"><path d="M23 19a2 2 0 0 1-2 2H3a2 2 0 0 1-2-2V8a2 2 0 0 1 2-2h4l2-3h6l2 3h4a2 2 0 0 1 2 2z"/><circle cx="12" cy="13" r="4"/></svg>
<strong>Album</strong>
</a>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarHeader" aria-controls="navbarHeader" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
</div>
</div>
</header>
<main role="main">
<section class="jumbotron text-center">
<div class="container">
<h1>Album example</h1>
<p class="lead text-muted">Something short and leading about the collection below—its contents, the creator, etc. Make it short and sweet, but not too short so folks don’t simply skip over it entirely.</p>
<p>
<a href="#" class="btn btn-primary my-2">Main call to action</a>
<a href="#" class="btn btn-secondary my-2">Secondary action</a>
</p>
</div>
</section>
<div class="album py-5 bg-light">
<div class="container">
<div class="row">
<div class="col-md-4">
<div class="card mb-4 shadow-sm">
{{< placeholder width="100%" height="225" background="#55595c" color="#eceeef" class="card-img-top" text="Thumbnail" >}}
<div class="card-body">
<p class="card-text">This is a wider card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
<div class="d-flex justify-content-between align-items-center">
<div class="btn-group">
<button type="button" class="btn btn-sm btn-outline-secondary">View</button>
<button type="button" class="btn btn-sm btn-outline-secondary">Edit</button>
</div>
<small class="text-muted">9 mins</small>
</div>
</div>
</div>
</div>
<div class="col-md-4">
<div class="card mb-4 shadow-sm">
{{< placeholder width="100%" height="225" background="#55595c" color="#eceeef" class="card-img-top" text="Thumbnail" >}}
<div class="card-body">
<p class="card-text">This is a wider card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
<div class="d-flex justify-content-between align-items-center">
<div class="btn-group">
<button type="button" class="btn btn-sm btn-outline-secondary">View</button>
<button type="button" class="btn btn-sm btn-outline-secondary">Edit</button>
</div>
<small class="text-muted">9 mins</small>
</div>
</div>
</div>
</div>
<div class="col-md-4">
<div class="card mb-4 shadow-sm">
{{< placeholder width="100%" height="225" background="#55595c" color="#eceeef" class="card-img-top" text="Thumbnail" >}}
<div class="card-body">
<p class="card-text">This is a wider card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
<div class="d-flex justify-content-between align-items-center">
<div class="btn-group">
<button type="button" class="btn btn-sm btn-outline-secondary">View</button>
<button type="button" class="btn btn-sm btn-outline-secondary">Edit</button>
</div>
<small class="text-muted">9 mins</small>
</div>
</div>
</div>
</div>
<div class="col-md-4">
<div class="card mb-4 shadow-sm">
{{< placeholder width="100%" height="225" background="#55595c" color="#eceeef" class="card-img-top" text="Thumbnail" >}}
<div class="card-body">
<p class="card-text">This is a wider card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
<div class="d-flex justify-content-between align-items-center">
<div class="btn-group">
<button type="button" class="btn btn-sm btn-outline-secondary">View</button>
<button type="button" class="btn btn-sm btn-outline-secondary">Edit</button>
</div>
<small class="text-muted">9 mins</small>
</div>
</div>
</div>
</div>
<div class="col-md-4">
<div class="card mb-4 shadow-sm">
{{< placeholder width="100%" height="225" background="#55595c" color="#eceeef" class="card-img-top" text="Thumbnail" >}}
<div class="card-body">
<p class="card-text">This is a wider card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
<div class="d-flex justify-content-between align-items-center">
<div class="btn-group">
<button type="button" class="btn btn-sm btn-outline-secondary">View</button>
<button type="button" class="btn btn-sm btn-outline-secondary">Edit</button>
</div>
<small class="text-muted">9 mins</small>
</div>
</div>
</div>
</div>
<div class="col-md-4">
<div class="card mb-4 shadow-sm">
{{< placeholder width="100%" height="225" background="#55595c" color="#eceeef" class="card-img-top" text="Thumbnail" >}}
<div class="card-body">
<p class="card-text">This is a wider card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
<div class="d-flex justify-content-between align-items-center">
<div class="btn-group">
<button type="button" class="btn btn-sm btn-outline-secondary">View</button>
<button type="button" class="btn btn-sm btn-outline-secondary">Edit</button>
</div>
<small class="text-muted">9 mins</small>
</div>
</div>
</div>
</div>
<div class="col-md-4">
<div class="card mb-4 shadow-sm">
{{< placeholder width="100%" height="225" background="#55595c" color="#eceeef" class="card-img-top" text="Thumbnail" >}}
<div class="card-body">
<p class="card-text">This is a wider card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
<div class="d-flex justify-content-between align-items-center">
<div class="btn-group">
<button type="button" class="btn btn-sm btn-outline-secondary">View</button>
<button type="button" class="btn btn-sm btn-outline-secondary">Edit</button>
</div>
<small class="text-muted">9 mins</small>
</div>
</div>
</div>
</div>
<div class="col-md-4">
<div class="card mb-4 shadow-sm">
{{< placeholder width="100%" height="225" background="#55595c" color="#eceeef" class="card-img-top" text="Thumbnail" >}}
<div class="card-body">
<p class="card-text">This is a wider card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
<div class="d-flex justify-content-between align-items-center">
<div class="btn-group">
<button type="button" class="btn btn-sm btn-outline-secondary">View</button>
<button type="button" class="btn btn-sm btn-outline-secondary">Edit</button>
</div>
<small class="text-muted">9 mins</small>
</div>
</div>
</div>
</div>
<div class="col-md-4">
<div class="card mb-4 shadow-sm">
{{< placeholder width="100%" height="225" background="#55595c" color="#eceeef" class="card-img-top" text="Thumbnail" >}}
<div class="card-body">
<p class="card-text">This is a wider card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
<div class="d-flex justify-content-between align-items-center">
<div class="btn-group">
<button type="button" class="btn btn-sm btn-outline-secondary">View</button>
<button type="button" class="btn btn-sm btn-outline-secondary">Edit</button>
</div>
<small class="text-muted">9 mins</small>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</main>
<footer class="text-muted">
<div class="container">
<p class="float-right">
<a href="#">Back to top</a>
</p>
<p>Album example is &copy; Bootstrap, but please download and customize it for yourself!</p>
<p>New to Bootstrap? <a href="/">Visit the homepage</a> or read our <a href="{{< docsref "/getting-started/introduction" >}}">getting started guide</a>.</p>
</div>
</footer>

106
vendor/twbs/bootstrap/site/content/docs/4.6/examples/blog/blog.css vendored Normal file
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/* stylelint-disable selector-list-comma-newline-after */
.blog-header {
line-height: 1;
border-bottom: 1px solid #e5e5e5;
}
.blog-header-logo {
font-family: "Playfair Display", Georgia, "Times New Roman", serif;
font-size: 2.25rem;
}
.blog-header-logo:hover {
text-decoration: none;
}
h1, h2, h3, h4, h5, h6 {
font-family: "Playfair Display", Georgia, "Times New Roman", serif;
}
.display-4 {
font-size: 2.5rem;
}
@media (min-width: 768px) {
.display-4 {
font-size: 3rem;
}
}
.nav-scroller {
position: relative;
z-index: 2;
height: 2.75rem;
overflow-y: hidden;
}
.nav-scroller .nav {
display: -ms-flexbox;
display: flex;
-ms-flex-wrap: nowrap;
flex-wrap: nowrap;
padding-bottom: 1rem;
margin-top: -1px;
overflow-x: auto;
text-align: center;
white-space: nowrap;
-webkit-overflow-scrolling: touch;
}
.nav-scroller .nav-link {
padding-top: .75rem;
padding-bottom: .75rem;
font-size: .875rem;
}
.card-img-right {
height: 100%;
border-radius: 0 3px 3px 0;
}
.flex-auto {
-ms-flex: 0 0 auto;
flex: 0 0 auto;
}
.h-250 { height: 250px; }
@media (min-width: 768px) {
.h-md-250 { height: 250px; }
}
/* Pagination */
.blog-pagination {
margin-bottom: 4rem;
}
.blog-pagination > .btn {
border-radius: 2rem;
}
/*
* Blog posts
*/
.blog-post {
margin-bottom: 4rem;
}
.blog-post-title {
margin-bottom: .25rem;
font-size: 2.5rem;
}
.blog-post-meta {
margin-bottom: 1.25rem;
color: #999;
}
/*
* Footer
*/
.blog-footer {
padding: 2.5rem 0;
color: #999;
text-align: center;
background-color: #f9f9f9;
border-top: .05rem solid #e5e5e5;
}
.blog-footer p:last-child {
margin-bottom: 0;
}

200
vendor/twbs/bootstrap/site/content/docs/4.6/examples/blog/index.html vendored Normal file
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---
layout: examples
title: Blog Template
extra_css:
- "https://fonts.googleapis.com/css?family=Playfair+Display:700,900"
- "blog.css"
include_js: false
---
<div class="container">
<header class="blog-header py-3">
<div class="row flex-nowrap justify-content-between align-items-center">
<div class="col-4 pt-1">
<a class="text-muted" href="#">Subscribe</a>
</div>
<div class="col-4 text-center">
<a class="blog-header-logo text-dark" href="#">Large</a>
</div>
<div class="col-4 d-flex justify-content-end align-items-center">
<a class="text-muted" href="#" aria-label="Search">
<svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" fill="none" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round" stroke-width="2" class="mx-3" role="img" viewBox="0 0 24 24" focusable="false"><title>Search</title><circle cx="10.5" cy="10.5" r="7.5"/><path d="M21 21l-5.2-5.2"/></svg>
</a>
<a class="btn btn-sm btn-outline-secondary" href="#">Sign up</a>
</div>
</div>
</header>
<div class="nav-scroller py-1 mb-2">
<nav class="nav d-flex justify-content-between">
<a class="p-2 text-muted" href="#">World</a>
<a class="p-2 text-muted" href="#">U.S.</a>
<a class="p-2 text-muted" href="#">Technology</a>
<a class="p-2 text-muted" href="#">Design</a>
<a class="p-2 text-muted" href="#">Culture</a>
<a class="p-2 text-muted" href="#">Business</a>
<a class="p-2 text-muted" href="#">Politics</a>
<a class="p-2 text-muted" href="#">Opinion</a>
<a class="p-2 text-muted" href="#">Science</a>
<a class="p-2 text-muted" href="#">Health</a>
<a class="p-2 text-muted" href="#">Style</a>
<a class="p-2 text-muted" href="#">Travel</a>
</nav>
</div>
<div class="jumbotron p-4 p-md-5 text-white rounded bg-dark">
<div class="col-md-6 px-0">
<h1 class="display-4 font-italic">Title of a longer featured blog post</h1>
<p class="lead my-3">Multiple lines of text that form the lede, informing new readers quickly and efficiently about what’s most interesting in this post’s contents.</p>
<p class="lead mb-0"><a href="#" class="text-white font-weight-bold">Continue reading...</a></p>
</div>
</div>
<div class="row mb-2">
<div class="col-md-6">
<div class="row no-gutters border rounded overflow-hidden flex-md-row mb-4 shadow-sm h-md-250 position-relative">
<div class="col p-4 d-flex flex-column position-static">
<strong class="d-inline-block mb-2 text-primary">World</strong>
<h3 class="mb-0">Featured post</h3>
<div class="mb-1 text-muted">Nov 12</div>
<p class="card-text mb-auto">This is a wider card with supporting text below as a natural lead-in to additional content.</p>
<a href="#" class="stretched-link">Continue reading</a>
</div>
<div class="col-auto d-none d-lg-block">
{{< placeholder width="200" height="250" background="#55595c" color="#eceeef" text="Thumbnail" >}}
</div>
</div>
</div>
<div class="col-md-6">
<div class="row no-gutters border rounded overflow-hidden flex-md-row mb-4 shadow-sm h-md-250 position-relative">
<div class="col p-4 d-flex flex-column position-static">
<strong class="d-inline-block mb-2 text-success">Design</strong>
<h3 class="mb-0">Post title</h3>
<div class="mb-1 text-muted">Nov 11</div>
<p class="mb-auto">This is a wider card with supporting text below as a natural lead-in to additional content.</p>
<a href="#" class="stretched-link">Continue reading</a>
</div>
<div class="col-auto d-none d-lg-block">
{{< placeholder width="200" height="250" background="#55595c" color="#eceeef" text="Thumbnail" >}}
</div>
</div>
</div>
</div>
</div>
<main role="main" class="container">
<div class="row">
<div class="col-md-8 blog-main">
<h3 class="pb-4 mb-4 font-italic border-bottom">
From the Firehose
</h3>
<div class="blog-post">
<h2 class="blog-post-title">Sample blog post</h2>
<p class="blog-post-meta">January 1, 2014 by <a href="#">Mark</a></p>
<p>This blog post shows a few different types of content that’s supported and styled with Bootstrap. Basic typography, images, and code are all supported.</p>
<hr>
<p>Yeah, she dances to her own beat. Oh, no. You could've been the greatest. 'Cause, baby, <a href="#">you're a firework</a>. Maybe a reason why all the doors are closed. Open up your heart and just let it begin. So très chic, yeah, she's a classic.</p>
<blockquote>
<p>Bikinis, zucchinis, Martinis, no weenies. I know there will be sacrifice but that's the price. <strong>This is how we do it</strong>. I'm not sticking around to watch you go down. You think you're so rock and roll, but you're really just a joke. I know one spark will shock the world, yeah yeah. Can't replace you with a million rings.</p>
</blockquote>
<p>Trying to connect the dots, don't know what to tell my boss. Before you met me I was alright but things were kinda heavy. You just gotta ignite the light and let it shine. Glitter all over the room <em>pink flamingos</em> in the pool. </p>
<h2>Heading</h2>
<p>Suiting up for my crowning battle. If you only knew what the future holds. Bring the beat back. Peach-pink lips, yeah, everybody stares.</p>
<h3>Sub-heading</h3>
<p>You give a hundred reasons why, and you say you're really gonna try. Straight stuntin' yeah we do it like that. Calling out my name. ‘Cause I, I’m capable of anything.</p>
<pre><code>Example code block</code></pre>
<p>Before you met me I was alright but things were kinda heavy. You just gotta ignite the light and let it shine.</p>
<h3>Sub-heading</h3>
<p>You got the finest architecture. Passport stamps, she's cosmopolitan. Fine, fresh, fierce, we got it on lock. Never planned that one day I'd be losing you. She eats your heart out.</p>
<ul>
<li>Got a motel and built a fort out of sheets.</li>
<li>Your kiss is cosmic, every move is magic.</li>
<li>Suiting up for my crowning battle.</li>
</ul>
<p>Takes you miles high, so high, 'cause she’s got that one international smile.</p>
<ol>
<li>Scared to rock the boat and make a mess.</li>
<li>I could have rewrite your addiction.</li>
<li>I know you get me so I let my walls come down.</li>
</ol>
<p>After a hurricane comes a rainbow.</p>
</div><!-- /.blog-post -->
<div class="blog-post">
<h2 class="blog-post-title">Another blog post</h2>
<p class="blog-post-meta">December 23, 2013 by <a href="#">Jacob</a></p>
<p>I am ready for the road less traveled. Already <a href="#">brushing off the dust</a>. Yeah, you're lucky if you're on her plane. I used to bite my tongue and hold my breath. Uh, She’s a beast. I call her Karma (come back). Black ray-bans, you know she's with the band. I can't sleep let's run away and don't ever look back, don't ever look back.</p>
<blockquote>
<p>Growing fast into a <strong>bolt of lightning</strong>. Be careful Try not to lead her on</p>
</blockquote>
<p>I'm intrigued, for a peek, heard it's fascinating. Oh oh! Wanna be a victim ready for abduction. She's got that international smile, oh yeah, she's got that one international smile. Do you ever feel, feel so paper thin. I’m gon’ put her in a coma. Sun-kissed skin so hot we'll melt your popsicle.</p>
<p>This is transcendental, on another level, boy, you're my lucky star.</p>
</div><!-- /.blog-post -->
<div class="blog-post">
<h2 class="blog-post-title">New feature</h2>
<p class="blog-post-meta">December 14, 2013 by <a href="#">Chris</a></p>
<p>From Tokyo to Mexico, to Rio. Yeah, you take me to utopia. I'm walking on air. We'd make out in your Mustang to Radiohead. I mean the ones, I mean like she's the one. Sun-kissed skin so hot we'll melt your popsicle. Slow cooking pancakes for my boy, still up, still fresh as a Daisy.</p>
<ul>
<li>I hope you got a healthy appetite.</li>
<li>You're never gonna be unsatisfied.</li>
<li>Got a motel and built a fort out of sheets.</li>
</ul>
<p>Don't need apologies. Boy, you're an alien your touch so foreign, it's <em>supernatural</em>, extraterrestrial. Talk about our future like we had a clue. I can feel a phoenix inside of me.</p>
</div><!-- /.blog-post -->
<nav class="blog-pagination">
<a class="btn btn-outline-primary" href="#">Older</a>
<a class="btn btn-outline-secondary disabled">Newer</a>
</nav>
</div><!-- /.blog-main -->
<aside class="col-md-4 blog-sidebar">
<div class="p-4 mb-3 bg-light rounded">
<h4 class="font-italic">About</h4>
<p class="mb-0">Saw you downtown singing the Blues. Watch you circle the drain. Why don't you let me stop by? Heavy is the head that <em>wears the crown</em>. Yes, we make angels cry, raining down on earth from up above.</p>
</div>
<div class="p-4">
<h4 class="font-italic">Archives</h4>
<ol class="list-unstyled mb-0">
<li><a href="#">March 2014</a></li>
<li><a href="#">February 2014</a></li>
<li><a href="#">January 2014</a></li>
<li><a href="#">December 2013</a></li>
<li><a href="#">November 2013</a></li>
<li><a href="#">October 2013</a></li>
<li><a href="#">September 2013</a></li>
<li><a href="#">August 2013</a></li>
<li><a href="#">July 2013</a></li>
<li><a href="#">June 2013</a></li>
<li><a href="#">May 2013</a></li>
<li><a href="#">April 2013</a></li>
</ol>
</div>
<div class="p-4">
<h4 class="font-italic">Elsewhere</h4>
<ol class="list-unstyled">
<li><a href="#">GitHub</a></li>
<li><a href="#">Twitter</a></li>
<li><a href="#">Facebook</a></li>
</ol>
</div>
</aside><!-- /.blog-sidebar -->
</div><!-- /.row -->
</main><!-- /.container -->
<footer class="blog-footer">
<p>Blog template built for <a href="https://getbootstrap.com/">Bootstrap</a> by <a href="https://twitter.com/mdo">@mdo</a>.</p>
<p>
<a href="#">Back to top</a>
</p>
</footer>

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/* GLOBAL STYLES
-------------------------------------------------- */
/* Padding below the footer and lighter body text */
body {
padding-top: 3rem;
padding-bottom: 3rem;
color: #5a5a5a;
}
/* CUSTOMIZE THE CAROUSEL
-------------------------------------------------- */
/* Carousel base class */
.carousel {
margin-bottom: 4rem;
}
/* Since positioning the image, we need to help out the caption */
.carousel-caption {
bottom: 3rem;
z-index: 10;
}
/* Declare heights because of positioning of img element */
.carousel-item {
height: 32rem;
}
.carousel-item > img {
position: absolute;
top: 0;
left: 0;
min-width: 100%;
height: 32rem;
}
/* MARKETING CONTENT
-------------------------------------------------- */
/* Center align the text within the three columns below the carousel */
.marketing .col-lg-4 {
margin-bottom: 1.5rem;
text-align: center;
}
.marketing h2 {
font-weight: 400;
}
.marketing .col-lg-4 p {
margin-right: .75rem;
margin-left: .75rem;
}
/* Featurettes
------------------------- */
.featurette-divider {
margin: 5rem 0; /* Space out the Bootstrap <hr> more */
}
/* Thin out the marketing headings */
.featurette-heading {
font-weight: 300;
line-height: 1;
letter-spacing: -.05rem;
}
/* RESPONSIVE CSS
-------------------------------------------------- */
@media (min-width: 40em) {
/* Bump up size of carousel content */
.carousel-caption p {
margin-bottom: 1.25rem;
font-size: 1.25rem;
line-height: 1.4;
}
.featurette-heading {
font-size: 50px;
}
}
@media (min-width: 62em) {
.featurette-heading {
margin-top: 7rem;
}
}

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---
layout: examples
title: Carousel Template
extra_css:
- "carousel.css"
---
<header>
<nav class="navbar navbar-expand-md navbar-dark fixed-top bg-dark">
<a class="navbar-brand" href="#">Carousel</a>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarCollapse" aria-controls="navbarCollapse" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarCollapse">
<ul class="navbar-nav mr-auto">
<li class="nav-item active">
<a class="nav-link" href="#">Home <span class="sr-only">(current)</span></a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Link</a>
</li>
<li class="nav-item">
<a class="nav-link disabled">Disabled</a>
</li>
</ul>
<form class="form-inline mt-2 mt-md-0">
<input class="form-control mr-sm-2" type="text" placeholder="Search" aria-label="Search">
<button class="btn btn-outline-success my-2 my-sm-0" type="submit">Search</button>
</form>
</div>
</nav>
</header>
<main role="main">
<div id="myCarousel" class="carousel slide" data-ride="carousel">
<ol class="carousel-indicators">
<li data-target="#myCarousel" data-slide-to="0" class="active"></li>
<li data-target="#myCarousel" data-slide-to="1"></li>
<li data-target="#myCarousel" data-slide-to="2"></li>
</ol>
<div class="carousel-inner">
<div class="carousel-item active">
{{< placeholder width="100%" height="100%" background="#777" color="#777" text=" " title=" " >}}
<div class="container">
<div class="carousel-caption text-left">
<h1>Example headline.</h1>
<p>Some representative placeholder content for the first slide of the carousel.</p>
<p><a class="btn btn-lg btn-primary" href="#">Sign up today</a></p>
</div>
</div>
</div>
<div class="carousel-item">
{{< placeholder width="100%" height="100%" background="#777" color="#777" text=" " title=" " >}}
<div class="container">
<div class="carousel-caption">
<h1>Another example headline.</h1>
<p>Some representative placeholder content for the second slide of the carousel.</p>
<p><a class="btn btn-lg btn-primary" href="#">Learn more</a></p>
</div>
</div>
</div>
<div class="carousel-item">
{{< placeholder width="100%" height="100%" background="#777" color="#777" text=" " title=" " >}}
<div class="container">
<div class="carousel-caption text-right">
<h1>One more for good measure.</h1>
<p>Some representative placeholder content for the third slide of this carousel.</p>
<p><a class="btn btn-lg btn-primary" href="#">Browse gallery</a></p>
</div>
</div>
</div>
</div>
<button class="carousel-control-prev" type="button" data-target="#myCarousel" data-slide="prev">
<span class="carousel-control-prev-icon" aria-hidden="true"></span>
<span class="sr-only">Previous</span>
</button>
<button class="carousel-control-next" type="button" data-target="#myCarousel" data-slide="next">
<span class="carousel-control-next-icon" aria-hidden="true"></span>
<span class="sr-only">Next</span>
</button>
</div>
<!-- Marketing messaging and featurettes
================================================== -->
<!-- Wrap the rest of the page in another container to center all the content. -->
<div class="container marketing">
<!-- Three columns of text below the carousel -->
<div class="row">
<div class="col-lg-4">
{{< placeholder width="140" height="140" background="#777" color="#777" class="rounded-circle" >}}
<h2>Heading</h2>
<p>Some representative placeholder content for the three columns of text below the carousel. This is the first column.</p>
<p><a class="btn btn-secondary" href="#">View details &raquo;</a></p>
</div><!-- /.col-lg-4 -->
<div class="col-lg-4">
{{< placeholder width="140" height="140" background="#777" color="#777" class="rounded-circle" >}}
<h2>Heading</h2>
<p>Another exciting bit of representative placeholder content. This time, we've moved on to the second column.</p>
<p><a class="btn btn-secondary" href="#">View details &raquo;</a></p>
</div><!-- /.col-lg-4 -->
<div class="col-lg-4">
{{< placeholder width="140" height="140" background="#777" color="#777" class="rounded-circle" >}}
<h2>Heading</h2>
<p>And lastly this, the third column of representative placeholder content.</p>
<p><a class="btn btn-secondary" href="#">View details &raquo;</a></p>
</div><!-- /.col-lg-4 -->
</div><!-- /.row -->
<!-- START THE FEATURETTES -->
<hr class="featurette-divider">
<div class="row featurette">
<div class="col-md-7">
<h2 class="featurette-heading">First featurette heading. <span class="text-muted">It’ll blow your mind.</span></h2>
<p class="lead">Some great placeholder content for the first featurette here. Imagine some exciting prose here.</p>
</div>
<div class="col-md-5">
{{< placeholder width="500" height="500" background="#eee" color="#aaa" class="bd-placeholder-img-lg featurette-image img-fluid mx-auto" >}}
</div>
</div>
<hr class="featurette-divider">
<div class="row featurette">
<div class="col-md-7 order-md-2">
<h2 class="featurette-heading">Oh yeah, it’s that good. <span class="text-muted">See for yourself.</span></h2>
<p class="lead">Another featurette? Of course. More placeholder content here to give you an idea of how this layout would work with some actual real-world content in place.</p>
</div>
<div class="col-md-5 order-md-1">
{{< placeholder width="500" height="500" background="#eee" color="#aaa" class="bd-placeholder-img-lg featurette-image img-fluid mx-auto" >}}
</div>
</div>
<hr class="featurette-divider">
<div class="row featurette">
<div class="col-md-7">
<h2 class="featurette-heading">And lastly, this one. <span class="text-muted">Checkmate.</span></h2>
<p class="lead">And yes, this is the last block of representative placeholder content. Again, not really intended to be actually read, simply here to give you a better view of what this would look like with some actual content. Your content.</p>
</div>
<div class="col-md-5">
{{< placeholder width="500" height="500" background="#eee" color="#aaa" class="bd-placeholder-img-lg featurette-image img-fluid mx-auto" >}}
</div>
</div>
<hr class="featurette-divider">
<!-- /END THE FEATURETTES -->
</div><!-- /.container -->
<!-- FOOTER -->
<footer class="container">
<p class="float-right"><a href="#">Back to top</a></p>
<p>&copy; 2017-{{< year >}} Company, Inc. &middot; <a href="#">Privacy</a> &middot; <a href="#">Terms</a></p>
</footer>
</main>

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vendor/twbs/bootstrap/site/content/docs/4.6/examples/checkout/form-validation.css vendored Normal file
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.container {
max-width: 960px;
}
.lh-condensed { line-height: 1.25; }

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vendor/twbs/bootstrap/site/content/docs/4.6/examples/checkout/form-validation.js vendored Normal file
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// Example starter JavaScript for disabling form submissions if there are invalid fields
(function () {
'use strict'
window.addEventListener('load', function () {
// Fetch all the forms we want to apply custom Bootstrap validation styles to
var forms = document.getElementsByClassName('needs-validation')
// Loop over them and prevent submission
Array.prototype.filter.call(forms, function (form) {
form.addEventListener('submit', function (event) {
if (form.checkValidity() === false) {
event.preventDefault()
event.stopPropagation()
}
form.classList.add('was-validated')
}, false)
})
}, false)
})()

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---
layout: examples
title: Checkout example
extra_css:
- "form-validation.css"
extra_js:
- "form-validation.js"
body_class: "bg-light"
---
<div class="container">
<div class="py-5 text-center">
<img class="d-block mx-auto mb-4" src="/docs/{{< param docs_version >}}/assets/brand/bootstrap-solid.svg" alt="" width="72" height="72">
<h2>Checkout form</h2>
<p class="lead">Below is an example form built entirely with Bootstrap’s form controls. Each required form group has a validation state that can be triggered by attempting to submit the form without completing it.</p>
</div>
<div class="row">
<div class="col-md-4 order-md-2 mb-4">
<h4 class="d-flex justify-content-between align-items-center mb-3">
<span class="text-muted">Your cart</span>
<span class="badge badge-secondary badge-pill">3</span>
</h4>
<ul class="list-group mb-3">
<li class="list-group-item d-flex justify-content-between lh-condensed">
<div>
<h6 class="my-0">Product name</h6>
<small class="text-muted">Brief description</small>
</div>
<span class="text-muted">$12</span>
</li>
<li class="list-group-item d-flex justify-content-between lh-condensed">
<div>
<h6 class="my-0">Second product</h6>
<small class="text-muted">Brief description</small>
</div>
<span class="text-muted">$8</span>
</li>
<li class="list-group-item d-flex justify-content-between lh-condensed">
<div>
<h6 class="my-0">Third item</h6>
<small class="text-muted">Brief description</small>
</div>
<span class="text-muted">$5</span>
</li>
<li class="list-group-item d-flex justify-content-between bg-light">
<div class="text-success">
<h6 class="my-0">Promo code</h6>
<small>EXAMPLECODE</small>
</div>
<span class="text-success">-$5</span>
</li>
<li class="list-group-item d-flex justify-content-between">
<span>Total (USD)</span>
<strong>$20</strong>
</li>
</ul>
<form class="card p-2">
<div class="input-group">
<input type="text" class="form-control" placeholder="Promo code">
<div class="input-group-append">
<button type="submit" class="btn btn-secondary">Redeem</button>
</div>
</div>
</form>
</div>
<div class="col-md-8 order-md-1">
<h4 class="mb-3">Billing address</h4>
<form class="needs-validation" novalidate>
<div class="row">
<div class="col-md-6 mb-3">
<label for="firstName">First name</label>
<input type="text" class="form-control" id="firstName" placeholder="" value="" required>
<div class="invalid-feedback">
Valid first name is required.
</div>
</div>
<div class="col-md-6 mb-3">
<label for="lastName">Last name</label>
<input type="text" class="form-control" id="lastName" placeholder="" value="" required>
<div class="invalid-feedback">
Valid last name is required.
</div>
</div>
</div>
<div class="mb-3">
<label for="username">Username</label>
<div class="input-group">
<div class="input-group-prepend">
<span class="input-group-text">@</span>
</div>
<input type="text" class="form-control" id="username" placeholder="Username" required>
<div class="invalid-feedback" style="width: 100%;">
Your username is required.
</div>
</div>
</div>
<div class="mb-3">
<label for="email">Email <span class="text-muted">(Optional)</span></label>
<input type="email" class="form-control" id="email" placeholder="you@example.com">
<div class="invalid-feedback">
Please enter a valid email address for shipping updates.
</div>
</div>
<div class="mb-3">
<label for="address">Address</label>
<input type="text" class="form-control" id="address" placeholder="1234 Main St" required>
<div class="invalid-feedback">
Please enter your shipping address.
</div>
</div>
<div class="mb-3">
<label for="address2">Address 2 <span class="text-muted">(Optional)</span></label>
<input type="text" class="form-control" id="address2" placeholder="Apartment or suite">
</div>
<div class="row">
<div class="col-md-5 mb-3">
<label for="country">Country</label>
<select class="custom-select d-block w-100" id="country" required>
<option value="">Choose...</option>
<option>United States</option>
</select>
<div class="invalid-feedback">
Please select a valid country.
</div>
</div>
<div class="col-md-4 mb-3">
<label for="state">State</label>
<select class="custom-select d-block w-100" id="state" required>
<option value="">Choose...</option>
<option>California</option>
</select>
<div class="invalid-feedback">
Please provide a valid state.
</div>
</div>
<div class="col-md-3 mb-3">
<label for="zip">Zip</label>
<input type="text" class="form-control" id="zip" placeholder="" required>
<div class="invalid-feedback">
Zip code required.
</div>
</div>
</div>
<hr class="mb-4">
<div class="custom-control custom-checkbox">
<input type="checkbox" class="custom-control-input" id="same-address">
<label class="custom-control-label" for="same-address">Shipping address is the same as my billing address</label>
</div>
<div class="custom-control custom-checkbox">
<input type="checkbox" class="custom-control-input" id="save-info">
<label class="custom-control-label" for="save-info">Save this information for next time</label>
</div>
<hr class="mb-4">
<h4 class="mb-3">Payment</h4>
<div class="d-block my-3">
<div class="custom-control custom-radio">
<input id="credit" name="paymentMethod" type="radio" class="custom-control-input" checked required>
<label class="custom-control-label" for="credit">Credit card</label>
</div>
<div class="custom-control custom-radio">
<input id="debit" name="paymentMethod" type="radio" class="custom-control-input" required>
<label class="custom-control-label" for="debit">Debit card</label>
</div>
<div class="custom-control custom-radio">
<input id="paypal" name="paymentMethod" type="radio" class="custom-control-input" required>
<label class="custom-control-label" for="paypal">PayPal</label>
</div>
</div>
<div class="row">
<div class="col-md-6 mb-3">
<label for="cc-name">Name on card</label>
<input type="text" class="form-control" id="cc-name" placeholder="" required>
<small class="text-muted">Full name as displayed on card</small>
<div class="invalid-feedback">
Name on card is required
</div>
</div>
<div class="col-md-6 mb-3">
<label for="cc-number">Credit card number</label>
<input type="text" class="form-control" id="cc-number" placeholder="" required>
<div class="invalid-feedback">
Credit card number is required
</div>
</div>
</div>
<div class="row">
<div class="col-md-3 mb-3">
<label for="cc-expiration">Expiration</label>
<input type="text" class="form-control" id="cc-expiration" placeholder="" required>
<div class="invalid-feedback">
Expiration date required
</div>
</div>
<div class="col-md-3 mb-3">
<label for="cc-cvv">CVV</label>
<input type="text" class="form-control" id="cc-cvv" placeholder="" required>
<div class="invalid-feedback">
Security code required
</div>
</div>
</div>
<hr class="mb-4">
<button class="btn btn-primary btn-lg btn-block" type="submit">Continue to checkout</button>
</form>
</div>
</div>
<footer class="my-5 pt-5 text-muted text-center text-small">
<p class="mb-1">&copy; 2017-{{< year >}} Company Name</p>
<ul class="list-inline">
<li class="list-inline-item"><a href="#">Privacy</a></li>
<li class="list-inline-item"><a href="#">Terms</a></li>
<li class="list-inline-item"><a href="#">Support</a></li>
</ul>
</footer>
</div>

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vendor/twbs/bootstrap/site/content/docs/4.6/examples/cover/cover.css vendored Normal file
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/*
* Globals
*/
/* Links */
a,
a:focus,
a:hover {
color: #fff;
}
/* Custom default button */
.btn-secondary,
.btn-secondary:hover,
.btn-secondary:focus {
color: #333;
text-shadow: none; /* Prevent inheritance from `body` */
background-color: #fff;
border: .05rem solid #fff;
}
/*
* Base structure
*/
html,
body {
height: 100%;
background-color: #333;
}
body {
display: -ms-flexbox;
display: flex;
color: #fff;
text-shadow: 0 .05rem .1rem rgba(0, 0, 0, .5);
box-shadow: inset 0 0 5rem rgba(0, 0, 0, .5);
}
.cover-container {
max-width: 42em;
}
/*
* Header
*/
.masthead {
margin-bottom: 2rem;
}
.masthead-brand {
margin-bottom: 0;
}
.nav-masthead .nav-link {
padding: .25rem 0;
font-weight: 700;
color: rgba(255, 255, 255, .5);
background-color: transparent;
border-bottom: .25rem solid transparent;
}
.nav-masthead .nav-link:hover,
.nav-masthead .nav-link:focus {
border-bottom-color: rgba(255, 255, 255, .25);
}
.nav-masthead .nav-link + .nav-link {
margin-left: 1rem;
}
.nav-masthead .active {
color: #fff;
border-bottom-color: #fff;
}
@media (min-width: 48em) {
.masthead-brand {
float: left;
}
.nav-masthead {
float: right;
}
}
/*
* Cover
*/
.cover {
padding: 0 1.5rem;
}
.cover .btn-lg {
padding: .75rem 1.25rem;
font-weight: 700;
}
/*
* Footer
*/
.mastfoot {
color: rgba(255, 255, 255, .5);
}

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vendor/twbs/bootstrap/site/content/docs/4.6/examples/cover/index.html vendored Normal file
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---
layout: examples
title: Cover Template
extra_css:
- "cover.css"
body_class: "text-center"
include_js: false
---
<div class="cover-container d-flex w-100 h-100 p-3 mx-auto flex-column">
<header class="masthead mb-auto">
<div class="inner">
<h3 class="masthead-brand">Cover</h3>
<nav class="nav nav-masthead justify-content-center">
<a class="nav-link active" href="#">Home</a>
<a class="nav-link" href="#">Features</a>
<a class="nav-link" href="#">Contact</a>
</nav>
</div>
</header>
<main role="main" class="inner cover">
<h1 class="cover-heading">Cover your page.</h1>
<p class="lead">Cover is a one-page template for building simple and beautiful home pages. Download, edit the text, and add your own fullscreen background photo to make it your own.</p>
<p class="lead">
<a href="#" class="btn btn-lg btn-secondary">Learn more</a>
</p>
</main>
<footer class="mastfoot mt-auto">
<div class="inner">
<p>Cover template for <a href="https://getbootstrap.com/">Bootstrap</a>, by <a href="https://twitter.com/mdo">@mdo</a>.</p>
</div>
</footer>
</div>

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body {
font-size: .875rem;
}
.feather {
width: 16px;
height: 16px;
vertical-align: text-bottom;
}
/*
* Sidebar
*/
.sidebar {
position: fixed;
top: 0;
bottom: 0;
left: 0;
z-index: 100; /* Behind the navbar */
padding: 48px 0 0; /* Height of navbar */
box-shadow: inset -1px 0 0 rgba(0, 0, 0, .1);
}
@media (max-width: 767.98px) {
.sidebar {
top: 5rem;
}
}
.sidebar-sticky {
position: relative;
top: 0;
height: calc(100vh - 48px);
padding-top: .5rem;
overflow-x: hidden;
overflow-y: auto; /* Scrollable contents if viewport is shorter than content. */
}
@supports ((position: -webkit-sticky) or (position: sticky)) {
.sidebar-sticky {
position: -webkit-sticky;
position: sticky;
}
}
.sidebar .nav-link {
font-weight: 500;
color: #333;
}
.sidebar .nav-link .feather {
margin-right: 4px;
color: #999;
}
.sidebar .nav-link.active {
color: #007bff;
}
.sidebar .nav-link:hover .feather,
.sidebar .nav-link.active .feather {
color: inherit;
}
.sidebar-heading {
font-size: .75rem;
text-transform: uppercase;
}
/*
* Navbar
*/
.navbar-brand {
padding-top: .75rem;
padding-bottom: .75rem;
font-size: 1rem;
background-color: rgba(0, 0, 0, .25);
box-shadow: inset -1px 0 0 rgba(0, 0, 0, .25);
}
.navbar .navbar-toggler {
top: .25rem;
right: 1rem;
}
.navbar .form-control {
padding: .75rem 1rem;
border-width: 0;
border-radius: 0;
}
.form-control-dark {
color: #fff;
background-color: rgba(255, 255, 255, .1);
border-color: rgba(255, 255, 255, .1);
}
.form-control-dark:focus {
border-color: transparent;
box-shadow: 0 0 0 3px rgba(255, 255, 255, .25);
}

53
vendor/twbs/bootstrap/site/content/docs/4.6/examples/dashboard/dashboard.js vendored Normal file
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/* globals Chart:false, feather:false */
(function () {
'use strict'
feather.replace()
// Graphs
var ctx = document.getElementById('myChart')
// eslint-disable-next-line no-unused-vars
var myChart = new Chart(ctx, {
type: 'line',
data: {
labels: [
'Sunday',
'Monday',
'Tuesday',
'Wednesday',
'Thursday',
'Friday',
'Saturday'
],
datasets: [{
data: [
15339,
21345,
18483,
24003,
23489,
24092,
12034
],
lineTension: 0,
backgroundColor: 'transparent',
borderColor: '#007bff',
borderWidth: 4,
pointBackgroundColor: '#007bff'
}]
},
options: {
scales: {
yAxes: [{
ticks: {
beginAtZero: false
}
}]
},
legend: {
display: false
}
}
})
})()

250
vendor/twbs/bootstrap/site/content/docs/4.6/examples/dashboard/index.html vendored Normal file
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---
layout: examples
title: Dashboard Template
extra_css:
- "dashboard.css"
extra_js:
- "https://cdn.jsdelivr.net/npm/feather-icons@4.28.0/dist/feather.min.js"
- "https://cdn.jsdelivr.net/npm/chart.js@2.9.4/dist/Chart.min.js"
- "dashboard.js"
---
<nav class="navbar navbar-dark sticky-top bg-dark flex-md-nowrap p-0 shadow">
<a class="navbar-brand col-md-3 col-lg-2 mr-0 px-3" href="#">Company name</a>
<button class="navbar-toggler position-absolute d-md-none collapsed" type="button" data-toggle="collapse" data-target="#sidebarMenu" aria-controls="sidebarMenu" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<input class="form-control form-control-dark w-100" type="text" placeholder="Search" aria-label="Search">
<ul class="navbar-nav px-3">
<li class="nav-item text-nowrap">
<a class="nav-link" href="#">Sign out</a>
</li>
</ul>
</nav>
<div class="container-fluid">
<div class="row">
<nav id="sidebarMenu" class="col-md-3 col-lg-2 d-md-block bg-light sidebar collapse">
<div class="sidebar-sticky pt-3">
<ul class="nav flex-column">
<li class="nav-item">
<a class="nav-link active" href="#">
<span data-feather="home"></span>
Dashboard <span class="sr-only">(current)</span>
</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">
<span data-feather="file"></span>
Orders
</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">
<span data-feather="shopping-cart"></span>
Products
</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">
<span data-feather="users"></span>
Customers
</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">
<span data-feather="bar-chart-2"></span>
Reports
</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">
<span data-feather="layers"></span>
Integrations
</a>
</li>
</ul>
<h6 class="sidebar-heading d-flex justify-content-between align-items-center px-3 mt-4 mb-1 text-muted">
<span>Saved reports</span>
<a class="d-flex align-items-center text-muted" href="#" aria-label="Add a new report">
<span data-feather="plus-circle"></span>
</a>
</h6>
<ul class="nav flex-column mb-2">
<li class="nav-item">
<a class="nav-link" href="#">
<span data-feather="file-text"></span>
Current month
</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">
<span data-feather="file-text"></span>
Last quarter
</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">
<span data-feather="file-text"></span>
Social engagement
</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">
<span data-feather="file-text"></span>
Year-end sale
</a>
</li>
</ul>
</div>
</nav>
<main role="main" class="col-md-9 ml-sm-auto col-lg-10 px-md-4">
<div class="d-flex justify-content-between flex-wrap flex-md-nowrap align-items-center pt-3 pb-2 mb-3 border-bottom">
<h1 class="h2">Dashboard</h1>
<div class="btn-toolbar mb-2 mb-md-0">
<div class="btn-group mr-2">
<button type="button" class="btn btn-sm btn-outline-secondary">Share</button>
<button type="button" class="btn btn-sm btn-outline-secondary">Export</button>
</div>
<button type="button" class="btn btn-sm btn-outline-secondary dropdown-toggle">
<span data-feather="calendar"></span>
This week
</button>
</div>
</div>
<canvas class="my-4 w-100" id="myChart" width="900" height="380"></canvas>
<h2>Section title</h2>
<div class="table-responsive">
<table class="table table-striped table-sm">
<thead>
<tr>
<th>#</th>
<th>Header</th>
<th>Header</th>
<th>Header</th>
<th>Header</th>
</tr>
</thead>
<tbody>
<tr>
<td>1,001</td>
<td>random</td>
<td>data</td>
<td>placeholder</td>
<td>text</td>
</tr>
<tr>
<td>1,002</td>
<td>placeholder</td>
<td>irrelevant</td>
<td>visual</td>
<td>layout</td>
</tr>
<tr>
<td>1,003</td>
<td>data</td>
<td>rich</td>
<td>dashboard</td>
<td>tabular</td>
</tr>
<tr>
<td>1,003</td>
<td>information</td>
<td>placeholder</td>
<td>illustrative</td>
<td>data</td>
</tr>
<tr>
<td>1,004</td>
<td>text</td>
<td>random</td>
<td>layout</td>
<td>dashboard</td>
</tr>
<tr>
<td>1,005</td>
<td>dashboard</td>
<td>irrelevant</td>
<td>text</td>
<td>placeholder</td>
</tr>
<tr>
<td>1,006</td>
<td>dashboard</td>
<td>illustrative</td>
<td>rich</td>
<td>data</td>
</tr>
<tr>
<td>1,007</td>
<td>placeholder</td>
<td>tabular</td>
<td>information</td>
<td>irrelevant</td>
</tr>
<tr>
<td>1,008</td>
<td>random</td>
<td>data</td>
<td>placeholder</td>
<td>text</td>
</tr>
<tr>
<td>1,009</td>
<td>placeholder</td>
<td>irrelevant</td>
<td>visual</td>
<td>layout</td>
</tr>
<tr>
<td>1,010</td>
<td>data</td>
<td>rich</td>
<td>dashboard</td>
<td>tabular</td>
</tr>
<tr>
<td>1,011</td>
<td>information</td>
<td>placeholder</td>
<td>illustrative</td>
<td>data</td>
</tr>
<tr>
<td>1,012</td>
<td>text</td>
<td>placeholder</td>
<td>layout</td>
<td>dashboard</td>
</tr>
<tr>
<td>1,013</td>
<td>dashboard</td>
<td>irrelevant</td>
<td>text</td>
<td>visual</td>
</tr>
<tr>
<td>1,014</td>
<td>dashboard</td>
<td>illustrative</td>
<td>rich</td>
<td>data</td>
</tr>
<tr>
<td>1,015</td>
<td>random</td>
<td>tabular</td>
<td>information</td>
<td>text</td>
</tr>
</tbody>
</table>
</div>
</main>
</div>
</div>

130
vendor/twbs/bootstrap/site/content/docs/4.6/examples/floating-labels/floating-labels.css vendored Normal file
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html,
body {
height: 100%;
}
body {
display: -ms-flexbox;
display: flex;
-ms-flex-align: center;
align-items: center;
padding-top: 40px;
padding-bottom: 40px;
background-color: #f5f5f5;
}
.form-signin {
width: 100%;
max-width: 420px;
padding: 15px;
margin: auto;
}
.form-label-group {
position: relative;
margin-bottom: 1rem;
}
.form-label-group input,
.form-label-group label {
height: 3.125rem;
padding: .75rem;
}
.form-label-group label {
position: absolute;
top: 0;
left: 0;
display: block;
width: 100%;
margin-bottom: 0; /* Override default `<label>` margin */
line-height: 1.5;
color: #495057;
pointer-events: none;
cursor: text; /* Match the input under the label */
border: 1px solid transparent;
border-radius: .25rem;
transition: all .1s ease-in-out;
}
.form-label-group input::-webkit-input-placeholder {
color: transparent;
}
.form-label-group input::-moz-placeholder {
color: transparent;
}
.form-label-group input:-ms-input-placeholder {
color: transparent;
}
.form-label-group input::-ms-input-placeholder {
color: transparent;
}
.form-label-group input::placeholder {
color: transparent;
}
.form-label-group input:not(:-moz-placeholder-shown) {
padding-top: 1.25rem;
padding-bottom: .25rem;
}
.form-label-group input:not(:-ms-input-placeholder) {
padding-top: 1.25rem;
padding-bottom: .25rem;
}
.form-label-group input:not(:placeholder-shown) {
padding-top: 1.25rem;
padding-bottom: .25rem;
}
.form-label-group input:not(:-moz-placeholder-shown) ~ label {
padding-top: .25rem;
padding-bottom: .25rem;
font-size: 12px;
color: #777;
}
.form-label-group input:not(:-ms-input-placeholder) ~ label {
padding-top: .25rem;
padding-bottom: .25rem;
font-size: 12px;
color: #777;
}
.form-label-group input:not(:placeholder-shown) ~ label {
padding-top: .25rem;
padding-bottom: .25rem;
font-size: 12px;
color: #777;
}
.form-label-group input:-webkit-autofill ~ label {
padding-top: .25rem;
padding-bottom: .25rem;
font-size: 12px;
color: #777;
}
/* Fallback for Edge
-------------------------------------------------- */
@supports (-ms-ime-align: auto) {
.form-label-group {
display: -ms-flexbox;
display: flex;
-ms-flex-direction: column-reverse;
flex-direction: column-reverse;
}
.form-label-group label {
position: static;
}
.form-label-group input::-ms-input-placeholder {
color: #777;
}
}

33
vendor/twbs/bootstrap/site/content/docs/4.6/examples/floating-labels/index.html vendored Normal file
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---
layout: examples
title: Floating labels example
extra_css:
- "floating-labels.css"
include_js: false
---
<form class="form-signin">
<div class="text-center mb-4">
<img class="mb-4" src="/docs/{{< param docs_version >}}/assets/brand/bootstrap-solid.svg" alt="" width="72" height="72">
<h1 class="h3 mb-3 font-weight-normal">Floating labels</h1>
<p>Build form controls with floating labels via the <code>:placeholder-shown</code> pseudo-element. <a href="https://caniuse.com/css-placeholder-shown">Works in latest Chrome, Safari, Firefox, and IE 10/11 (prefixed).</a></p>
</div>
<div class="form-label-group">
<input type="email" id="inputEmail" class="form-control" placeholder="Email address" required autofocus>
<label for="inputEmail">Email address</label>
</div>
<div class="form-label-group">
<input type="password" id="inputPassword" class="form-control" placeholder="Password" required>
<label for="inputPassword">Password</label>
</div>
<div class="checkbox mb-3">
<label>
<input type="checkbox" value="remember-me"> Remember me
</label>
</div>
<button class="btn btn-lg btn-primary btn-block" type="submit">Sign in</button>
<p class="mt-5 mb-3 text-muted text-center">&copy; 2017-{{< year >}}</p>
</form>

13
vendor/twbs/bootstrap/site/content/docs/4.6/examples/grid/grid.css vendored Normal file
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.themed-grid-col {
padding-top: 15px;
padding-bottom: 15px;
background-color: rgba(86, 61, 124, .15);
border: 1px solid rgba(86, 61, 124, .2);
}
.themed-container {
padding: 15px;
margin-bottom: 30px;
background-color: rgba(0, 123, 255, .15);
border: 1px solid rgba(0, 123, 255, .2);
}

139
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---
layout: examples
title: Grid Template
extra_css:
- "grid.css"
body_class: "py-4"
include_js: false
---
<div class="container">
<h1>Bootstrap grid examples</h1>
<p class="lead">Basic grid layouts to get you familiar with building within the Bootstrap grid system.</p>
<p>In these examples the <code>.themed-grid-col</code> class is added to the columns to add some theming. This is not a class that is available in Bootstrap by default.</p>
<h2 class="mt-4">Five grid tiers</h2>
<p>There are five tiers to the Bootstrap grid system, one for each range of devices we support. Each tier starts at a minimum viewport size and automatically applies to the larger devices unless overridden.</p>
<div class="row mb-3">
<div class="col-4 themed-grid-col">.col-4</div>
<div class="col-4 themed-grid-col">.col-4</div>
<div class="col-4 themed-grid-col">.col-4</div>
</div>
<div class="row mb-3">
<div class="col-sm-4 themed-grid-col">.col-sm-4</div>
<div class="col-sm-4 themed-grid-col">.col-sm-4</div>
<div class="col-sm-4 themed-grid-col">.col-sm-4</div>
</div>
<div class="row mb-3">
<div class="col-md-4 themed-grid-col">.col-md-4</div>
<div class="col-md-4 themed-grid-col">.col-md-4</div>
<div class="col-md-4 themed-grid-col">.col-md-4</div>
</div>
<div class="row mb-3">
<div class="col-lg-4 themed-grid-col">.col-lg-4</div>
<div class="col-lg-4 themed-grid-col">.col-lg-4</div>
<div class="col-lg-4 themed-grid-col">.col-lg-4</div>
</div>
<div class="row mb-3">
<div class="col-xl-4 themed-grid-col">.col-xl-4</div>
<div class="col-xl-4 themed-grid-col">.col-xl-4</div>
<div class="col-xl-4 themed-grid-col">.col-xl-4</div>
</div>
<h2 class="mt-4">Three equal columns</h2>
<p>Get three equal-width columns <strong>starting at desktops and scaling to large desktops</strong>. On mobile devices, tablets and below, the columns will automatically stack.</p>
<div class="row mb-3">
<div class="col-md-4 themed-grid-col">.col-md-4</div>
<div class="col-md-4 themed-grid-col">.col-md-4</div>
<div class="col-md-4 themed-grid-col">.col-md-4</div>
</div>
<h2 class="mt-4">Three unequal columns</h2>
<p>Get three columns <strong>starting at desktops and scaling to large desktops</strong> of various widths. Remember, grid columns should add up to twelve for a single horizontal block. More than that, and columns start stacking no matter the viewport.</p>
<div class="row mb-3">
<div class="col-md-3 themed-grid-col">.col-md-3</div>
<div class="col-md-6 themed-grid-col">.col-md-6</div>
<div class="col-md-3 themed-grid-col">.col-md-3</div>
</div>
<h2 class="mt-4">Two columns</h2>
<p>Get two columns <strong>starting at desktops and scaling to large desktops</strong>.</p>
<div class="row mb-3">
<div class="col-md-8 themed-grid-col">.col-md-8</div>
<div class="col-md-4 themed-grid-col">.col-md-4</div>
</div>
<h2 class="mt-4">Full width, single column</h2>
<p class="text-warning">
No grid classes are necessary for full-width elements.
</p>
<hr class="my-4">
<h2 class="mt-4">Two columns with two nested columns</h2>
<p>Per the documentation, nesting is easy—just put a row of columns within an existing column. This gives you two columns <strong>starting at desktops and scaling to large desktops</strong>, with another two (equal widths) within the larger column.</p>
<p>At mobile device sizes, tablets and down, these columns and their nested columns will stack.</p>
<div class="row mb-3">
<div class="col-md-8 themed-grid-col">
<div class="pb-3">
.col-md-8
</div>
<div class="row">
<div class="col-md-6 themed-grid-col">.col-md-6</div>
<div class="col-md-6 themed-grid-col">.col-md-6</div>
</div>
</div>
<div class="col-md-4 themed-grid-col">.col-md-4</div>
</div>
<hr class="my-4">
<h2 class="mt-4">Mixed: mobile and desktop</h2>
<p>The Bootstrap v4 grid system has five tiers of classes: xs (extra small, this class infix is not used), sm (small), md (medium), lg (large), and xl (extra large). You can use nearly any combination of these classes to create more dynamic and flexible layouts.</p>
<p>Each tier of classes scales up, meaning if you plan on setting the same widths for md, lg and xl, you only need to specify md.</p>
<div class="row mb-3">
<div class="col-md-8 themed-grid-col">.col-md-8</div>
<div class="col-6 col-md-4 themed-grid-col">.col-6 .col-md-4</div>
</div>
<div class="row mb-3">
<div class="col-6 col-md-4 themed-grid-col">.col-6 .col-md-4</div>
<div class="col-6 col-md-4 themed-grid-col">.col-6 .col-md-4</div>
<div class="col-6 col-md-4 themed-grid-col">.col-6 .col-md-4</div>
</div>
<div class="row mb-3">
<div class="col-6 themed-grid-col">.col-6</div>
<div class="col-6 themed-grid-col">.col-6</div>
</div>
<hr class="my-4">
<h2 class="mt-4">Mixed: mobile, tablet, and desktop</h2>
<div class="row mb-3">
<div class="col-sm-6 col-lg-8 themed-grid-col">.col-sm-6 .col-lg-8</div>
<div class="col-6 col-lg-4 themed-grid-col">.col-6 .col-lg-4</div>
</div>
<div class="row mb-3">
<div class="col-6 col-sm-4 themed-grid-col">.col-6 .col-sm-4</div>
<div class="col-6 col-sm-4 themed-grid-col">.col-6 .col-sm-4</div>
<div class="col-6 col-sm-4 themed-grid-col">.col-6 .col-sm-4</div>
</div>
</div>
<div class="container" id="containers">
<h2 class="mt-4">Containers</h2>
<p>Additional classes added in Bootstrap v4.4 allow containers that are 100% wide until a particular breakpoint.</p>
</div>
<div class="container themed-container">.container</div>
<div class="container-sm themed-container">.container-sm</div>
<div class="container-md themed-container">.container-md</div>
<div class="container-lg themed-container">.container-lg</div>
<div class="container-xl themed-container">.container-xl</div>
<div class="container-fluid themed-container">.container-fluid</div>

80
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---
layout: examples
title: Jumbotron Template
extra_css:
- "jumbotron.css"
---
<nav class="navbar navbar-expand-md navbar-dark fixed-top bg-dark">
<a class="navbar-brand" href="#">Navbar</a>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarsExampleDefault" aria-controls="navbarsExampleDefault" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarsExampleDefault">
<ul class="navbar-nav mr-auto">
<li class="nav-item active">
<a class="nav-link" href="#">Home <span class="sr-only">(current)</span></a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Link</a>
</li>
<li class="nav-item">
<a class="nav-link disabled">Disabled</a>
</li>
<li class="nav-item dropdown">
<a class="nav-link dropdown-toggle" href="#" data-toggle="dropdown" aria-expanded="false">Dropdown</a>
<div class="dropdown-menu">
<a class="dropdown-item" href="#">Action</a>
<a class="dropdown-item" href="#">Another action</a>
<a class="dropdown-item" href="#">Something else here</a>
</div>
</li>
</ul>
<form class="form-inline my-2 my-lg-0">
<input class="form-control mr-sm-2" type="text" placeholder="Search" aria-label="Search">
<button class="btn btn-outline-success my-2 my-sm-0" type="submit">Search</button>
</form>
</div>
</nav>
<main role="main">
<!-- Main jumbotron for a primary marketing message or call to action -->
<div class="jumbotron">
<div class="container">
<h1 class="display-3">Hello, world!</h1>
<p>This is a template for a simple marketing or informational website. It includes a large callout called a jumbotron and three supporting pieces of content. Use it as a starting point to create something more unique.</p>
<p><a class="btn btn-primary btn-lg" href="#" role="button">Learn more &raquo;</a></p>
</div>
</div>
<div class="container">
<!-- Example row of columns -->
<div class="row">
<div class="col-md-4">
<h2>Heading</h2>
<p>Will you do the same for me? It's time to face the music I'm no longer your muse. Heard it's beautiful, be the judge and my girls gonna take a vote. I can feel a phoenix inside of me. Heaven is jealous of our love, angels are crying from up above. Yeah, you take me to utopia.</p>
<p><a class="btn btn-secondary" href="#" role="button">View details &raquo;</a></p>
</div>
<div class="col-md-4">
<h2>Heading</h2>
<p>Standing on the frontline when the bombs start to fall. Heaven is jealous of our love, angels are crying from up above. Can't replace you with a million rings. Boy, when you're with me I'll give you a taste. There’s no going back. Before you met me I was alright but things were kinda heavy. Heavy is the head that wears the crown.</p>
<p><a class="btn btn-secondary" href="#" role="button">View details &raquo;</a></p>
</div>
<div class="col-md-4">
<h2>Heading</h2>
<p>Playing ping pong all night long, everything's all neon and hazy. Yeah, she's so in demand. She's sweet as pie but if you break her heart. But down to earth. It's time to face the music I'm no longer your muse. I guess that I forgot I had a choice.</p>
<p><a class="btn btn-secondary" href="#" role="button">View details &raquo;</a></p>
</div>
</div>
<hr>
</div> <!-- /container -->
</main>
<footer class="container">
<p>&copy; Company 2017-{{< year >}}</p>
</footer>

4
vendor/twbs/bootstrap/site/content/docs/4.6/examples/jumbotron/jumbotron.css vendored Normal file
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@@ -0,0 +1,4 @@
/* Move down content because we have a fixed navbar that is 3.5rem tall */
body {
padding-top: 3.5rem;
}

39
vendor/twbs/bootstrap/site/content/docs/4.6/examples/navbar-bottom/index.html vendored Normal file
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---
layout: examples
title: Bottom navbar example
---
<div class="container">
<div class="jumbotron mt-3">
<h1>Bottom Navbar example</h1>
<p class="lead">This example is a quick exercise to illustrate how the bottom navbar works.</p>
<a class="btn btn-lg btn-primary" href="{{< docsref "/components/navbar" >}}" role="button">View navbar docs &raquo;</a>
</div>
</div>
<nav class="navbar fixed-bottom navbar-expand-sm navbar-dark bg-dark">
<a class="navbar-brand" href="#">Bottom navbar</a>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarCollapse" aria-controls="navbarCollapse" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarCollapse">
<ul class="navbar-nav mr-auto">
<li class="nav-item active">
<a class="nav-link" href="#">Home <span class="sr-only">(current)</span></a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Link</a>
</li>
<li class="nav-item">
<a class="nav-link disabled">Disabled</a>
</li>
<li class="nav-item dropup">
<a class="nav-link dropdown-toggle" href="#" data-toggle="dropdown" aria-expanded="false">Dropup</a>
<div class="dropdown-menu">
<a class="dropdown-item" href="#">Action</a>
<a class="dropdown-item" href="#">Another action</a>
<a class="dropdown-item" href="#">Something else here</a>
</div>
</li>
</ul>
</div>
</nav>

38
vendor/twbs/bootstrap/site/content/docs/4.6/examples/navbar-fixed/index.html vendored Normal file
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---
layout: examples
title: Fixed top navbar example
extra_css:
- "navbar-top-fixed.css"
---
<nav class="navbar navbar-expand-md navbar-dark fixed-top bg-dark">
<a class="navbar-brand" href="#">Fixed navbar</a>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarCollapse" aria-controls="navbarCollapse" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarCollapse">
<ul class="navbar-nav mr-auto">
<li class="nav-item active">
<a class="nav-link" href="#">Home <span class="sr-only">(current)</span></a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Link</a>
</li>
<li class="nav-item">
<a class="nav-link disabled">Disabled</a>
</li>
</ul>
<form class="form-inline mt-2 mt-md-0">
<input class="form-control mr-sm-2" type="text" placeholder="Search" aria-label="Search">
<button class="btn btn-outline-success my-2 my-sm-0" type="submit">Search</button>
</form>
</div>
</nav>
<main role="main" class="container">
<div class="jumbotron">
<h1>Navbar example</h1>
<p class="lead">This example is a quick exercise to illustrate how fixed to top navbar works. As you scroll, it will remain fixed to the top of your browser’s viewport.</p>
<a class="btn btn-lg btn-primary" href="{{< docsref "/components/navbar" >}}" role="button">View navbar docs &raquo;</a>
</div>
</main>

5
vendor/twbs/bootstrap/site/content/docs/4.6/examples/navbar-fixed/navbar-top-fixed.css vendored Normal file
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@@ -0,0 +1,5 @@
/* Show it is fixed to the top */
body {
min-height: 75rem;
padding-top: 4.5rem;
}

38
vendor/twbs/bootstrap/site/content/docs/4.6/examples/navbar-static/index.html vendored Normal file
View File

@@ -0,0 +1,38 @@
---
layout: examples
title: Top navbar example
extra_css:
- "navbar-top.css"
---
<nav class="navbar navbar-expand-md navbar-dark bg-dark mb-4">
<a class="navbar-brand" href="#">Top navbar</a>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarCollapse" aria-controls="navbarCollapse" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarCollapse">
<ul class="navbar-nav mr-auto">
<li class="nav-item active">
<a class="nav-link" href="#">Home <span class="sr-only">(current)</span></a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Link</a>
</li>
<li class="nav-item">
<a class="nav-link disabled">Disabled</a>
</li>
</ul>
<form class="form-inline mt-2 mt-md-0">
<input class="form-control mr-sm-2" type="text" placeholder="Search" aria-label="Search">
<button class="btn btn-outline-success my-2 my-sm-0" type="submit">Search</button>
</form>
</div>
</nav>
<main role="main" class="container">
<div class="jumbotron">
<h1>Navbar example</h1>
<p class="lead">This example is a quick exercise to illustrate how the top-aligned navbar works. As you scroll, this navbar remains in its original position and moves with the rest of the page.</p>
<a class="btn btn-lg btn-primary" href="{{< docsref "/components/navbar" >}}" role="button">View navbar docs &raquo;</a>
</div>
</main>

4
vendor/twbs/bootstrap/site/content/docs/4.6/examples/navbar-static/navbar-top.css vendored Normal file
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@@ -0,0 +1,4 @@
/* Show it's not fixed to the top */
body {
min-height: 75rem;
}

362
vendor/twbs/bootstrap/site/content/docs/4.6/examples/navbars/index.html vendored Normal file
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@@ -0,0 +1,362 @@
---
layout: examples
title: Navbar Template
extra_css:
- "navbar.css"
---
<nav class="navbar navbar-dark bg-dark">
<a class="navbar-brand" href="#">Never expand</a>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarsExample01" aria-controls="navbarsExample01" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarsExample01">
<ul class="navbar-nav mr-auto">
<li class="nav-item active">
<a class="nav-link" href="#">Home <span class="sr-only">(current)</span></a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Link</a>
</li>
<li class="nav-item">
<a class="nav-link disabled">Disabled</a>
</li>
<li class="nav-item dropdown">
<a class="nav-link dropdown-toggle" href="#" data-toggle="dropdown" aria-expanded="false">Dropdown</a>
<div class="dropdown-menu">
<a class="dropdown-item" href="#">Action</a>
<a class="dropdown-item" href="#">Another action</a>
<a class="dropdown-item" href="#">Something else here</a>
</div>
</li>
</ul>
<form class="form-inline my-2 my-md-0">
<input class="form-control" type="text" placeholder="Search" aria-label="Search">
</form>
</div>
</nav>
<nav class="navbar navbar-expand navbar-dark bg-dark">
<a class="navbar-brand" href="#">Always expand</a>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarsExample02" aria-controls="navbarsExample02" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarsExample02">
<ul class="navbar-nav mr-auto">
<li class="nav-item active">
<a class="nav-link" href="#">Home <span class="sr-only">(current)</span></a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Link</a>
</li>
</ul>
<form class="form-inline my-2 my-md-0">
<input class="form-control" type="text" placeholder="Search">
</form>
</div>
</nav>
<nav class="navbar navbar-expand-sm navbar-dark bg-dark">
<a class="navbar-brand" href="#">Expand at sm</a>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarsExample03" aria-controls="navbarsExample03" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarsExample03">
<ul class="navbar-nav mr-auto">
<li class="nav-item active">
<a class="nav-link" href="#">Home <span class="sr-only">(current)</span></a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Link</a>
</li>
<li class="nav-item">
<a class="nav-link disabled">Disabled</a>
</li>
<li class="nav-item dropdown">
<a class="nav-link dropdown-toggle" href="#" data-toggle="dropdown" aria-expanded="false">Dropdown</a>
<div class="dropdown-menu">
<a class="dropdown-item" href="#">Action</a>
<a class="dropdown-item" href="#">Another action</a>
<a class="dropdown-item" href="#">Something else here</a>
</div>
</li>
</ul>
<form class="form-inline my-2 my-md-0">
<input class="form-control" type="text" placeholder="Search">
</form>
</div>
</nav>
<nav class="navbar navbar-expand-md navbar-dark bg-dark">
<a class="navbar-brand" href="#">Expand at md</a>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarsExample04" aria-controls="navbarsExample04" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarsExample04">
<ul class="navbar-nav mr-auto">
<li class="nav-item active">
<a class="nav-link" href="#">Home <span class="sr-only">(current)</span></a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Link</a>
</li>
<li class="nav-item">
<a class="nav-link disabled">Disabled</a>
</li>
<li class="nav-item dropdown">
<a class="nav-link dropdown-toggle" href="#" data-toggle="dropdown" aria-expanded="false">Dropdown</a>
<div class="dropdown-menu">
<a class="dropdown-item" href="#">Action</a>
<a class="dropdown-item" href="#">Another action</a>
<a class="dropdown-item" href="#">Something else here</a>
</div>
</li>
</ul>
<form class="form-inline my-2 my-md-0">
<input class="form-control" type="text" placeholder="Search">
</form>
</div>
</nav>
<nav class="navbar navbar-expand-lg navbar-dark bg-dark">
<a class="navbar-brand" href="#">Expand at lg</a>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarsExample05" aria-controls="navbarsExample05" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarsExample05">
<ul class="navbar-nav mr-auto">
<li class="nav-item active">
<a class="nav-link" href="#">Home <span class="sr-only">(current)</span></a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Link</a>
</li>
<li class="nav-item">
<a class="nav-link disabled">Disabled</a>
</li>
<li class="nav-item dropdown">
<a class="nav-link dropdown-toggle" href="#" data-toggle="dropdown" aria-expanded="false">Dropdown</a>
<div class="dropdown-menu">
<a class="dropdown-item" href="#">Action</a>
<a class="dropdown-item" href="#">Another action</a>
<a class="dropdown-item" href="#">Something else here</a>
</div>
</li>
</ul>
<form class="form-inline my-2 my-md-0">
<input class="form-control" type="text" placeholder="Search">
</form>
</div>
</nav>
<nav class="navbar navbar-expand-xl navbar-dark bg-dark">
<a class="navbar-brand" href="#">Expand at xl</a>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarsExample06" aria-controls="navbarsExample06" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarsExample06">
<ul class="navbar-nav mr-auto">
<li class="nav-item active">
<a class="nav-link" href="#">Home <span class="sr-only">(current)</span></a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Link</a>
</li>
<li class="nav-item">
<a class="nav-link disabled">Disabled</a>
</li>
<li class="nav-item dropdown">
<a class="nav-link dropdown-toggle" href="#" data-toggle="dropdown" aria-expanded="false">Dropdown</a>
<div class="dropdown-menu">
<a class="dropdown-item" href="#">Action</a>
<a class="dropdown-item" href="#">Another action</a>
<a class="dropdown-item" href="#">Something else here</a>
</div>
</li>
</ul>
<form class="form-inline my-2 my-md-0">
<input class="form-control" type="text" placeholder="Search">
</form>
</div>
</nav>
<nav class="navbar navbar-expand-lg navbar-dark bg-dark">
<div class="container">
<a class="navbar-brand" href="#">Container</a>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarsExample07" aria-controls="navbarsExample07" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarsExample07">
<ul class="navbar-nav mr-auto">
<li class="nav-item active">
<a class="nav-link" href="#">Home <span class="sr-only">(current)</span></a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Link</a>
</li>
<li class="nav-item">
<a class="nav-link disabled">Disabled</a>
</li>
<li class="nav-item dropdown">
<a class="nav-link dropdown-toggle" href="#" data-toggle="dropdown" aria-expanded="false">Dropdown</a>
<div class="dropdown-menu">
<a class="dropdown-item" href="#">Action</a>
<a class="dropdown-item" href="#">Another action</a>
<a class="dropdown-item" href="#">Something else here</a>
</div>
</li>
</ul>
<form class="form-inline my-2 my-md-0">
<input class="form-control" type="text" placeholder="Search" aria-label="Search">
</form>
</div>
</div>
</nav>
<nav class="navbar navbar-expand-lg navbar-dark bg-dark">
<div class="container-xl">
<a class="navbar-brand" href="#">Container XL</a>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarsExample07XL" aria-controls="navbarsExample07XL" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarsExample07XL">
<ul class="navbar-nav mr-auto">
<li class="nav-item active">
<a class="nav-link" href="#">Home <span class="sr-only">(current)</span></a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Link</a>
</li>
<li class="nav-item">
<a class="nav-link disabled">Disabled</a>
</li>
<li class="nav-item dropdown">
<a class="nav-link dropdown-toggle" href="#" data-toggle="dropdown" aria-expanded="false">Dropdown</a>
<div class="dropdown-menu">
<a class="dropdown-item" href="#">Action</a>
<a class="dropdown-item" href="#">Another action</a>
<a class="dropdown-item" href="#">Something else here</a>
</div>
</li>
</ul>
<form class="form-inline my-2 my-md-0">
<input class="form-control" type="text" placeholder="Search" aria-label="Search">
</form>
</div>
</div>
</nav>
<div class="container-xl mt-n2 mb-3">
Matching .container-xl...
</div>
<nav class="navbar navbar-expand-lg navbar-dark bg-dark">
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarsExample08" aria-controls="navbarsExample08" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse justify-content-md-center" id="navbarsExample08">
<ul class="navbar-nav">
<li class="nav-item active">
<a class="nav-link" href="#">Centered nav only <span class="sr-only">(current)</span></a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Link</a>
</li>
<li class="nav-item">
<a class="nav-link disabled">Disabled</a>
</li>
<li class="nav-item dropdown">
<a class="nav-link dropdown-toggle" href="#" data-toggle="dropdown" aria-expanded="false">Dropdown</a>
<div class="dropdown-menu">
<a class="dropdown-item" href="#">Action</a>
<a class="dropdown-item" href="#">Another action</a>
<a class="dropdown-item" href="#">Something else here</a>
</div>
</li>
</ul>
</div>
</nav>
<div class="container">
<nav class="navbar navbar-expand-lg navbar-light bg-light rounded">
<a class="navbar-brand" href="#">Navbar</a>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarsExample09" aria-controls="navbarsExample09" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarsExample09">
<ul class="navbar-nav mr-auto">
<li class="nav-item active">
<a class="nav-link" href="#">Home <span class="sr-only">(current)</span></a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Link</a>
</li>
<li class="nav-item">
<a class="nav-link disabled">Disabled</a>
</li>
<li class="nav-item dropdown">
<a class="nav-link dropdown-toggle" href="#" data-toggle="dropdown" aria-expanded="false">Dropdown</a>
<div class="dropdown-menu">
<a class="dropdown-item" href="#">Action</a>
<a class="dropdown-item" href="#">Another action</a>
<a class="dropdown-item" href="#">Something else here</a>
</div>
</li>
</ul>
<form class="form-inline my-2 my-md-0">
<input class="form-control" type="text" placeholder="Search" aria-label="Search">
</form>
</div>
</nav>
<nav class="navbar navbar-expand-lg navbar-light bg-light rounded">
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarsExample10" aria-controls="navbarsExample10" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse justify-content-md-center" id="navbarsExample10">
<ul class="navbar-nav">
<li class="nav-item active">
<a class="nav-link" href="#">Centered nav only <span class="sr-only">(current)</span></a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Link</a>
</li>
<li class="nav-item">
<a class="nav-link disabled">Disabled</a>
</li>
<li class="nav-item dropdown">
<a class="nav-link dropdown-toggle" href="#" data-toggle="dropdown" aria-expanded="false">Dropdown</a>
<div class="dropdown-menu">
<a class="dropdown-item" href="#">Action</a>
<a class="dropdown-item" href="#">Another action</a>
<a class="dropdown-item" href="#">Something else here</a>
</div>
</li>
</ul>
</div>
</nav>
<main role="main">
<div class="jumbotron">
<div class="col-sm-8 mx-auto">
<h1>Navbar examples</h1>
<p>This example is a quick exercise to illustrate how the navbar and its contents work. Some navbars extend the width of the viewport, others are confined within a <code>.container</code>. For positioning of navbars, checkout the <a href="{{< docsref "/examples/navbar-static" >}}">top</a> and <a href="{{< docsref "/examples/navbar-fixed" >}}">fixed top</a> examples.</p>
<p>At the smallest breakpoint, the collapse plugin is used to hide the links and show a menu button to toggle the collapsed content.</p>
<p>
<a class="btn btn-primary" href="{{< docsref "/components/navbar" >}}" role="button">View navbar docs &raquo;</a>
</p>
</div>
</div>
</main>
</div>

7
vendor/twbs/bootstrap/site/content/docs/4.6/examples/navbars/navbar.css vendored Normal file
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@@ -0,0 +1,7 @@
body {
padding-bottom: 20px;
}
.navbar {
margin-bottom: 20px;
}

137
vendor/twbs/bootstrap/site/content/docs/4.6/examples/offcanvas/index.html vendored Normal file
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@@ -0,0 +1,137 @@
---
layout: examples
title: Offcanvas template
extra_css:
- "offcanvas.css"
extra_js:
- "offcanvas.js"
body_class: "bg-light"
---
<nav class="navbar navbar-expand-lg fixed-top navbar-dark bg-dark">
<a class="navbar-brand mr-auto mr-lg-0" href="#">Offcanvas navbar</a>
<button class="navbar-toggler p-0 border-0" type="button" data-toggle="offcanvas">
<span class="navbar-toggler-icon"></span>
</button>
<div class="navbar-collapse offcanvas-collapse" id="navbarsExampleDefault">
<ul class="navbar-nav mr-auto">
<li class="nav-item active">
<a class="nav-link" href="#">Dashboard <span class="sr-only">(current)</span></a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Notifications</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Profile</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Switch account</a>
</li>
<li class="nav-item dropdown">
<a class="nav-link dropdown-toggle" href="#" data-toggle="dropdown" aria-expanded="false">Settings</a>
<div class="dropdown-menu">
<a class="dropdown-item" href="#">Action</a>
<a class="dropdown-item" href="#">Another action</a>
<a class="dropdown-item" href="#">Something else here</a>
</div>
</li>
</ul>
<form class="form-inline my-2 my-lg-0">
<input class="form-control mr-sm-2" type="text" placeholder="Search" aria-label="Search">
<button class="btn btn-outline-success my-2 my-sm-0" type="submit">Search</button>
</form>
</div>
</nav>
<div class="nav-scroller bg-white shadow-sm">
<nav class="nav nav-underline">
<a class="nav-link active" href="#">Dashboard</a>
<a class="nav-link" href="#">
Friends
<span class="badge badge-pill bg-light align-text-bottom">27</span>
</a>
<a class="nav-link" href="#">Explore</a>
<a class="nav-link" href="#">Suggestions</a>
<a class="nav-link" href="#">Link</a>
<a class="nav-link" href="#">Link</a>
<a class="nav-link" href="#">Link</a>
<a class="nav-link" href="#">Link</a>
<a class="nav-link" href="#">Link</a>
</nav>
</div>
<main role="main" class="container">
<div class="d-flex align-items-center p-3 my-3 text-white-50 bg-purple rounded shadow-sm">
<img class="mr-3" src="/docs/{{< param docs_version >}}/assets/brand/bootstrap-outline.svg" alt="" width="48" height="48">
<div class="lh-100">
<h6 class="mb-0 text-white lh-100">Bootstrap</h6>
<small>Since 2011</small>
</div>
</div>
<div class="my-3 p-3 bg-white rounded shadow-sm">
<h6 class="border-bottom border-gray pb-2 mb-0">Recent updates</h6>
<div class="media text-muted pt-3">
{{< placeholder width="32" height="32" background="#007bff" color="#007bff" class="mr-2 rounded" >}}
<p class="media-body pb-3 mb-0 small lh-125 border-bottom border-gray">
<strong class="d-block text-gray-dark">@username</strong>
Playing ping pong all night long, everything's all neon and hazy. Yeah, she's so in demand. She's sweet as pie but if you break her heart. But down to earth. It's time to face the music I'm no longer your muse. I guess that I forgot I had a choice.
</p>
</div>
<div class="media text-muted pt-3">
{{< placeholder width="32" height="32" background="#e83e8c" color="#e83e8c" class="mr-2 rounded" >}}
<p class="media-body pb-3 mb-0 small lh-125 border-bottom border-gray">
<strong class="d-block text-gray-dark">@username</strong>
Standing on the frontline when the bombs start to fall. Heaven is jealous of our love, angels are crying from up above. Can't replace you with a million rings. Boy, when you're with me I'll give you a taste. There’s no going back. Before you met me I was alright but things were kinda heavy. Heavy is the head that wears the crown.
</p>
</div>
<div class="media text-muted pt-3">
{{< placeholder width="32" height="32" background="#6f42c1" color="#6f42c1" class="mr-2 rounded" >}}
<p class="media-body pb-3 mb-0 small lh-125 border-bottom border-gray">
<strong class="d-block text-gray-dark">@username</strong>
Will you do the same for me? It's time to face the music I'm no longer your muse. Heard it's beautiful, be the judge and my girls gonna take a vote. I can feel a phoenix inside of me. Heaven is jealous of our love, angels are crying from up above. Yeah, you take me to utopia.
</p>
</div>
<small class="d-block text-right mt-3">
<a href="#">All updates</a>
</small>
</div>
<div class="my-3 p-3 bg-white rounded shadow-sm">
<h6 class="border-bottom border-gray pb-2 mb-0">Suggestions</h6>
<div class="media text-muted pt-3">
{{< placeholder width="32" height="32" background="#007bff" color="#007bff" class="mr-2 rounded" >}}
<div class="media-body pb-3 mb-0 small lh-125 border-bottom border-gray">
<div class="d-flex justify-content-between align-items-center w-100">
<strong class="text-gray-dark">Full Name</strong>
<a href="#">Follow</a>
</div>
<span class="d-block">@username</span>
</div>
</div>
<div class="media text-muted pt-3">
{{< placeholder width="32" height="32" background="#007bff" color="#007bff" class="mr-2 rounded" >}}
<div class="media-body pb-3 mb-0 small lh-125 border-bottom border-gray">
<div class="d-flex justify-content-between align-items-center w-100">
<strong class="text-gray-dark">Full Name</strong>
<a href="#">Follow</a>
</div>
<span class="d-block">@username</span>
</div>
</div>
<div class="media text-muted pt-3">
{{< placeholder width="32" height="32" background="#007bff" color="#007bff" class="mr-2 rounded" >}}
<div class="media-body pb-3 mb-0 small lh-125 border-bottom border-gray">
<div class="d-flex justify-content-between align-items-center w-100">
<strong class="text-gray-dark">Full Name</strong>
<a href="#">Follow</a>
</div>
<span class="d-block">@username</span>
</div>
</div>
<small class="d-block text-right mt-3">
<a href="#">All suggestions</a>
</small>
</div>
</main>

74
vendor/twbs/bootstrap/site/content/docs/4.6/examples/offcanvas/offcanvas.css vendored Normal file
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html,
body {
overflow-x: hidden; /* Prevent scroll on narrow devices */
}
body {
padding-top: 56px;
}
@media (max-width: 991.98px) {
.offcanvas-collapse {
position: fixed;
top: 56px; /* Height of navbar */
bottom: 0;
left: 100%;
width: 100%;
padding-right: 1rem;
padding-left: 1rem;
overflow-y: auto;
visibility: hidden;
background-color: #343a40;
transition: visibility .3s ease-in-out, -webkit-transform .3s ease-in-out;
transition: transform .3s ease-in-out, visibility .3s ease-in-out;
transition: transform .3s ease-in-out, visibility .3s ease-in-out, -webkit-transform .3s ease-in-out;
}
.offcanvas-collapse.open {
visibility: visible;
-webkit-transform: translateX(-100%);
transform: translateX(-100%);
}
}
.nav-scroller {
position: relative;
z-index: 2;
height: 2.75rem;
overflow-y: hidden;
}
.nav-scroller .nav {
display: -ms-flexbox;
display: flex;
-ms-flex-wrap: nowrap;
flex-wrap: nowrap;
padding-bottom: 1rem;
margin-top: -1px;
overflow-x: auto;
color: rgba(255, 255, 255, .75);
text-align: center;
white-space: nowrap;
-webkit-overflow-scrolling: touch;
}
.nav-underline .nav-link {
padding-top: .75rem;
padding-bottom: .75rem;
font-size: .875rem;
color: #6c757d;
}
.nav-underline .nav-link:hover {
color: #007bff;
}
.nav-underline .active {
font-weight: 500;
color: #343a40;
}
.bg-purple { background-color: #6f42c1; }
.lh-100 { line-height: 1; }
.lh-125 { line-height: 1.25; }
.lh-150 { line-height: 1.5; }

7
vendor/twbs/bootstrap/site/content/docs/4.6/examples/offcanvas/offcanvas.js vendored Normal file
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$(function () {
'use strict'
$('[data-toggle="offcanvas"]').on('click', function () {
$('.offcanvas-collapse').toggleClass('open')
})
})

111
vendor/twbs/bootstrap/site/content/docs/4.6/examples/pricing/index.html vendored Normal file
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---
layout: examples
title: Pricing example
extra_css:
- "pricing.css"
include_js: false
---
<div class="d-flex flex-column flex-md-row align-items-center p-3 px-md-4 mb-3 bg-white border-bottom shadow-sm">
<h5 class="my-0 mr-md-auto font-weight-normal">Company name</h5>
<nav class="my-2 my-md-0 mr-md-3">
<a class="p-2 text-dark" href="#">Features</a>
<a class="p-2 text-dark" href="#">Enterprise</a>
<a class="p-2 text-dark" href="#">Support</a>
<a class="p-2 text-dark" href="#">Pricing</a>
</nav>
<a class="btn btn-outline-primary" href="#">Sign up</a>
</div>
<div class="pricing-header px-3 py-3 pt-md-5 pb-md-4 mx-auto text-center">
<h1 class="display-4">Pricing</h1>
<p class="lead">Quickly build an effective pricing table for your potential customers with this Bootstrap example. It’s built with default Bootstrap components and utilities with little customization.</p>
</div>
<div class="container">
<div class="card-deck mb-3 text-center">
<div class="card mb-4 shadow-sm">
<div class="card-header">
<h4 class="my-0 font-weight-normal">Free</h4>
</div>
<div class="card-body">
<h1 class="card-title pricing-card-title">$0 <small class="text-muted">/ mo</small></h1>
<ul class="list-unstyled mt-3 mb-4">
<li>10 users included</li>
<li>2 GB of storage</li>
<li>Email support</li>
<li>Help center access</li>
</ul>
<button type="button" class="btn btn-lg btn-block btn-outline-primary">Sign up for free</button>
</div>
</div>
<div class="card mb-4 shadow-sm">
<div class="card-header">
<h4 class="my-0 font-weight-normal">Pro</h4>
</div>
<div class="card-body">
<h1 class="card-title pricing-card-title">$15 <small class="text-muted">/ mo</small></h1>
<ul class="list-unstyled mt-3 mb-4">
<li>20 users included</li>
<li>10 GB of storage</li>
<li>Priority email support</li>
<li>Help center access</li>
</ul>
<button type="button" class="btn btn-lg btn-block btn-primary">Get started</button>
</div>
</div>
<div class="card mb-4 shadow-sm">
<div class="card-header">
<h4 class="my-0 font-weight-normal">Enterprise</h4>
</div>
<div class="card-body">
<h1 class="card-title pricing-card-title">$29 <small class="text-muted">/ mo</small></h1>
<ul class="list-unstyled mt-3 mb-4">
<li>30 users included</li>
<li>15 GB of storage</li>
<li>Phone and email support</li>
<li>Help center access</li>
</ul>
<button type="button" class="btn btn-lg btn-block btn-primary">Contact us</button>
</div>
</div>
</div>
<footer class="pt-4 my-md-5 pt-md-5 border-top">
<div class="row">
<div class="col-12 col-md">
<img class="mb-2" src="/docs/{{< param docs_version >}}/assets/brand/bootstrap-solid.svg" alt="" width="24" height="24">
<small class="d-block mb-3 text-muted">&copy; 2017-{{< year >}}</small>
</div>
<div class="col-6 col-md">
<h5>Features</h5>
<ul class="list-unstyled text-small">
<li><a class="text-muted" href="#">Cool stuff</a></li>
<li><a class="text-muted" href="#">Random feature</a></li>
<li><a class="text-muted" href="#">Team feature</a></li>
<li><a class="text-muted" href="#">Stuff for developers</a></li>
<li><a class="text-muted" href="#">Another one</a></li>
<li><a class="text-muted" href="#">Last time</a></li>
</ul>
</div>
<div class="col-6 col-md">
<h5>Resources</h5>
<ul class="list-unstyled text-small">
<li><a class="text-muted" href="#">Resource</a></li>
<li><a class="text-muted" href="#">Resource name</a></li>
<li><a class="text-muted" href="#">Another resource</a></li>
<li><a class="text-muted" href="#">Final resource</a></li>
</ul>
</div>
<div class="col-6 col-md">
<h5>About</h5>
<ul class="list-unstyled text-small">
<li><a class="text-muted" href="#">Team</a></li>
<li><a class="text-muted" href="#">Locations</a></li>
<li><a class="text-muted" href="#">Privacy</a></li>
<li><a class="text-muted" href="#">Terms</a></li>
</ul>
</div>
</div>
</footer>
</div>

20
vendor/twbs/bootstrap/site/content/docs/4.6/examples/pricing/pricing.css vendored Normal file
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html {
font-size: 14px;
}
@media (min-width: 768px) {
html {
font-size: 16px;
}
}
.container {
max-width: 960px;
}
.pricing-header {
max-width: 700px;
}
.card-deck .card {
min-width: 220px;
}

146
vendor/twbs/bootstrap/site/content/docs/4.6/examples/product/index.html vendored Normal file
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@@ -0,0 +1,146 @@
---
layout: examples
title: Product example
extra_css:
- "product.css"
---
<nav class="site-header sticky-top py-1">
<div class="container d-flex flex-column flex-md-row justify-content-between">
<a class="py-2" href="#" aria-label="Product">
<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" fill="none" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round" stroke-width="2" class="d-block mx-auto" role="img" viewBox="0 0 24 24" focusable="false"><title>Product</title><circle cx="12" cy="12" r="10"/><path d="M14.31 8l5.74 9.94M9.69 8h11.48M7.38 12l5.74-9.94M9.69 16L3.95 6.06M14.31 16H2.83m13.79-4l-5.74 9.94"/></svg>
</a>
<a class="py-2 d-none d-md-inline-block" href="#">Tour</a>
<a class="py-2 d-none d-md-inline-block" href="#">Product</a>
<a class="py-2 d-none d-md-inline-block" href="#">Features</a>
<a class="py-2 d-none d-md-inline-block" href="#">Enterprise</a>
<a class="py-2 d-none d-md-inline-block" href="#">Support</a>
<a class="py-2 d-none d-md-inline-block" href="#">Pricing</a>
<a class="py-2 d-none d-md-inline-block" href="#">Cart</a>
</div>
</nav>
<div class="position-relative overflow-hidden p-3 p-md-5 m-md-3 text-center bg-light">
<div class="col-md-5 p-lg-5 mx-auto my-5">
<h1 class="display-4 font-weight-normal">Punny headline</h1>
<p class="lead font-weight-normal">And an even wittier subheading to boot. Jumpstart your marketing efforts with this example based on Apple’s marketing pages.</p>
<a class="btn btn-outline-secondary" href="#">Coming soon</a>
</div>
<div class="product-device shadow-sm d-none d-md-block"></div>
<div class="product-device product-device-2 shadow-sm d-none d-md-block"></div>
</div>
<div class="d-md-flex flex-md-equal w-100 my-md-3 pl-md-3">
<div class="bg-dark mr-md-3 pt-3 px-3 pt-md-5 px-md-5 text-center text-white overflow-hidden">
<div class="my-3 py-3">
<h2 class="display-5">Another headline</h2>
<p class="lead">And an even wittier subheading.</p>
</div>
<div class="bg-light shadow-sm mx-auto" style="width: 80%; height: 300px; border-radius: 21px 21px 0 0;"></div>
</div>
<div class="bg-light mr-md-3 pt-3 px-3 pt-md-5 px-md-5 text-center overflow-hidden">
<div class="my-3 p-3">
<h2 class="display-5">Another headline</h2>
<p class="lead">And an even wittier subheading.</p>
</div>
<div class="bg-dark shadow-sm mx-auto" style="width: 80%; height: 300px; border-radius: 21px 21px 0 0;"></div>
</div>
</div>
<div class="d-md-flex flex-md-equal w-100 my-md-3 pl-md-3">
<div class="bg-light mr-md-3 pt-3 px-3 pt-md-5 px-md-5 text-center overflow-hidden">
<div class="my-3 p-3">
<h2 class="display-5">Another headline</h2>
<p class="lead">And an even wittier subheading.</p>
</div>
<div class="bg-dark shadow-sm mx-auto" style="width: 80%; height: 300px; border-radius: 21px 21px 0 0;"></div>
</div>
<div class="bg-primary mr-md-3 pt-3 px-3 pt-md-5 px-md-5 text-center text-white overflow-hidden">
<div class="my-3 py-3">
<h2 class="display-5">Another headline</h2>
<p class="lead">And an even wittier subheading.</p>
</div>
<div class="bg-light shadow-sm mx-auto" style="width: 80%; height: 300px; border-radius: 21px 21px 0 0;"></div>
</div>
</div>
<div class="d-md-flex flex-md-equal w-100 my-md-3 pl-md-3">
<div class="bg-light mr-md-3 pt-3 px-3 pt-md-5 px-md-5 text-center overflow-hidden">
<div class="my-3 p-3">
<h2 class="display-5">Another headline</h2>
<p class="lead">And an even wittier subheading.</p>
</div>
<div class="bg-white shadow-sm mx-auto" style="width: 80%; height: 300px; border-radius: 21px 21px 0 0;"></div>
</div>
<div class="bg-light mr-md-3 pt-3 px-3 pt-md-5 px-md-5 text-center overflow-hidden">
<div class="my-3 py-3">
<h2 class="display-5">Another headline</h2>
<p class="lead">And an even wittier subheading.</p>
</div>
<div class="bg-white shadow-sm mx-auto" style="width: 80%; height: 300px; border-radius: 21px 21px 0 0;"></div>
</div>
</div>
<div class="d-md-flex flex-md-equal w-100 my-md-3 pl-md-3">
<div class="bg-light mr-md-3 pt-3 px-3 pt-md-5 px-md-5 text-center overflow-hidden">
<div class="my-3 p-3">
<h2 class="display-5">Another headline</h2>
<p class="lead">And an even wittier subheading.</p>
</div>
<div class="bg-white shadow-sm mx-auto" style="width: 80%; height: 300px; border-radius: 21px 21px 0 0;"></div>
</div>
<div class="bg-light mr-md-3 pt-3 px-3 pt-md-5 px-md-5 text-center overflow-hidden">
<div class="my-3 py-3">
<h2 class="display-5">Another headline</h2>
<p class="lead">And an even wittier subheading.</p>
</div>
<div class="bg-white shadow-sm mx-auto" style="width: 80%; height: 300px; border-radius: 21px 21px 0 0;"></div>
</div>
</div>
<footer class="container py-5">
<div class="row">
<div class="col-12 col-md">
<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" fill="none" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round" stroke-width="2" class="d-block mb-2" role="img" viewBox="0 0 24 24" focusable="false"><title>Product</title><circle cx="12" cy="12" r="10"/><path d="M14.31 8l5.74 9.94M9.69 8h11.48M7.38 12l5.74-9.94M9.69 16L3.95 6.06M14.31 16H2.83m13.79-4l-5.74 9.94"/></svg>
<small class="d-block mb-3 text-muted">&copy; 2017-{{< year >}}</small>
</div>
<div class="col-6 col-md">
<h5>Features</h5>
<ul class="list-unstyled text-small">
<li><a class="text-muted" href="#">Cool stuff</a></li>
<li><a class="text-muted" href="#">Random feature</a></li>
<li><a class="text-muted" href="#">Team feature</a></li>
<li><a class="text-muted" href="#">Stuff for developers</a></li>
<li><a class="text-muted" href="#">Another one</a></li>
<li><a class="text-muted" href="#">Last time</a></li>
</ul>
</div>
<div class="col-6 col-md">
<h5>Resources</h5>
<ul class="list-unstyled text-small">
<li><a class="text-muted" href="#">Resource</a></li>
<li><a class="text-muted" href="#">Resource name</a></li>
<li><a class="text-muted" href="#">Another resource</a></li>
<li><a class="text-muted" href="#">Final resource</a></li>
</ul>
</div>
<div class="col-6 col-md">
<h5>Resources</h5>
<ul class="list-unstyled text-small">
<li><a class="text-muted" href="#">Business</a></li>
<li><a class="text-muted" href="#">Education</a></li>
<li><a class="text-muted" href="#">Government</a></li>
<li><a class="text-muted" href="#">Gaming</a></li>
</ul>
</div>
<div class="col-6 col-md">
<h5>About</h5>
<ul class="list-unstyled text-small">
<li><a class="text-muted" href="#">Team</a></li>
<li><a class="text-muted" href="#">Locations</a></li>
<li><a class="text-muted" href="#">Privacy</a></li>
<li><a class="text-muted" href="#">Terms</a></li>
</ul>
</div>
</div>
</footer>

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