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<!DOCTYPE html><html lang="en" data-bs-theme="auto"> <head><meta charset="UTF-8"><meta name="viewport" content="width=device-width, initial-scale=1"><meta name="description" content="Provide contextual feedback messages for typical user actions with the handful of available and flexible alert messages."><meta name="author" content="Mark Otto, Jacob Thornton, and Bootstrap contributors"><meta name="generator" content="Astro v5.4.2"><meta name="docsearch:language" content="en"><meta name="docsearch:version" content="5.3"><link rel="canonical" href="https://getbootstrap.com/docs/5.3/components/alerts/"><link rel="preconnect" href="https://AK7KMZKZHQ-dsn.algolia.net" crossorigin><title>Alerts · Bootstrap v5.3</title><script src="/docs/5.3/assets/js/color-modes.js"></script><link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/@docsearch/css@3"><link href="/docs/5.3/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-QWTKZyjpPEjISv5WaRU9OFeRpok6YctnYmDr5pNlyT2bRjXh0JMhjY6hW+ALEwIH"><link rel="apple-touch-icon" href="/docs/5.3/assets/img/favicons/apple-touch-icon.png" sizes="180x180"><link rel="icon" href="/docs/5.3/assets/img/favicons/favicon-32x32.png" sizes="32x32" type="image/png"><link rel="icon" href="/docs/5.3/assets/img/favicons/favicon-16x16.png" sizes="16x16" type="image/png"><link rel="manifest" href="/docs/5.3/assets/img/favicons/manifest.json"><link rel="mask-icon" href="/docs/5.3/assets/img/favicons/safari-pinned-tab.svg" color="#712cf9"><link rel="icon" href="/docs/5.3/assets/img/favicons/favicon.ico"><meta name="theme-color" content="#712cf9"><meta name="twitter:card" content="summary_large_image"><meta name="twitter:site" content="getbootstrap"><meta name="twitter:creator" content="getbootstrap"><meta name="twitter:title" content="Alerts"><meta name="twitter:description" content="Provide contextual feedback messages for typical user actions with the handful of available and flexible alert messages."><meta name="twitter:image" content="https://getbootstrap.com/docs/5.3/assets/brand/bootstrap-social.png"><meta property="og:url" content="https://getbootstrap.com/docs/5.3/components/alerts/"><meta property="og:title" content="Alerts"><meta property="og:description" content="Provide contextual feedback messages for typical user actions with the handful of available and flexible alert messages."><meta property="og:type" content="article"><meta property="og:image" content="https://getbootstrap.com/docs/5.3/assets/brand/bootstrap-social.png"><meta property="og:image:type" content="image/png"><meta property="og:image:width" content="2000"><meta property="og:image:height" content="1000"><script defer src="https://cdn.usefathom.com/script.js" data-site="ITUSEYJG"></script><link rel="stylesheet" href="/_astro/_slug_.BBRoHHoO.css"></head> <body tabindex="0" data-bs-spy="scroll" data-bs-target="#TableOfContents"> <div class="skippy visually-hidden-focusable overflow-hidden"> <div class="container-xl"> <a class="d-inline-flex p-2 m-1" href="#content">Skip to main content</a> <a class="d-none d-md-inline-flex p-2 m-1" href="#bd-docs-nav">
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href="/docs/5.3/customize/options" class="bd-links-link d-inline-block rounded"> Options </a> </li><li> <a href="/docs/5.3/customize/color" class="bd-links-link d-inline-block rounded"> Color </a> </li><li> <a href="/docs/5.3/customize/color-modes" class="bd-links-link d-inline-block rounded"> Color modes </a> </li><li> <a href="/docs/5.3/customize/components" class="bd-links-link d-inline-block rounded"> Components </a> </li><li> <a href="/docs/5.3/customize/css-variables" class="bd-links-link d-inline-block rounded"> CSS variables </a> </li><li> <a href="/docs/5.3/customize/optimize" class="bd-links-link d-inline-block rounded"> Optimize </a> </li> </ul> </li><li class="bd-links-group py-2"> <strong class="bd-links-heading d-flex w-100 align-items-center fw-semibold"> <svg class="bi me-2" style="color: var(--bs-teal);" aria-hidden="true"> <use xlink:href="#grid-fill"></use> </svg> Layout </strong> <ul class="list-unstyled fw-normal pb-2 small"> <li> <a href="/docs/5.3/layout/breakpoints" class="bd-links-link d-inline-block rounded"> Breakpoints </a> </li><li> <a href="/docs/5.3/layout/containers" class="bd-links-link d-inline-block rounded"> Containers </a> </li><li> <a href="/docs/5.3/layout/grid" class="bd-links-link d-inline-block rounded"> Grid </a> </li><li> <a href="/docs/5.3/layout/columns" class="bd-links-link d-inline-block rounded"> Columns </a> </li><li> <a href="/docs/5.3/layout/gutters" class="bd-links-link d-inline-block rounded"> Gutters </a> </li><li> <a href="/docs/5.3/layout/utilities" class="bd-links-link d-inline-block rounded"> Utilities </a> </li><li> <a href="/docs/5.3/layout/z-index" class="bd-links-link d-inline-block rounded"> Z-index </a> </li><li> <a href="/docs/5.3/layout/css-grid" class="bd-links-link d-inline-block rounded"> CSS Grid </a> </li> </ul> </li><li class="bd-links-group py-2"> <strong class="bd-links-heading d-flex w-100 align-items-center fw-semibold"> <svg class="bi me-2" style="color: var(--bs-gray);" aria-hidden="true"> <use xlink:href="#file-earmark-richtext"></use> </svg> Content </strong> <ul class="list-unstyled fw-normal pb-2 small"> <li> <a href="/docs/5.3/content/reboot" class="bd-links-link d-inline-block rounded"> Reboot </a> </li><li> <a href="/docs/5.3/content/typography" class="bd-links-link d-inline-block rounded"> Typography </a> </li><li> <a href="/docs/5.3/content/images" class="bd-links-link d-inline-block rounded"> Images </a> </li><li> <a href="/docs/5.3/content/tables" class="bd-links-link d-inline-block rounded"> Tables </a> </li><li> <a href="/docs/5.3/content/figures" class="bd-links-link d-inline-block rounded"> Figures </a> </li> </ul> </li><li class="bd-links-group py-2"> <strong class="bd-links-heading d-flex w-100 align-items-center fw-semibold"> <svg class="bi me-2" style="color: var(--bs-blue);" aria-hidden="true"> <use xlink:href="#ui-radios"></use> </svg> Forms </strong> <ul class="list-unstyled fw-normal pb-2 small"> <li> <a href="/docs/5.3/forms/overview" class="bd-links-link d-inline-block rounded"> Overview </a> </li><li> <a href="/docs/5.3/forms/form-control" class="bd-links-link d-inline-block rounded"> Form control </a> </li><li> <a href="/docs/5.3/forms/select" class="bd-links-link d-inline-block rounded"> Select </a> </li><li> <a href="/docs/5.3/forms/checks-radios" class="bd-links-link d-inline-block rounded"> Checks &amp; radios </a> </li><li> <a href="/docs/5.3/forms/range" class="bd-links-link d-inline-block rounded"> Range </a> </li><li> <a href="/docs/5.3/forms/input-group" class="bd-links-link d-inline-block rounded"> Input group </a> </li><li> <a href="/docs/5.3/forms/floating-labels" class="bd-links-link d-inline-block rounded"> Floating labels </a> </li><li> <a href="/docs/5.3/forms/layout" class="bd-links-link d-inline-block rounded"> Layout </a> </li><li> <a href="/docs/5.3/forms/validation" class="bd-links-link d-inline-block rounded"> Validation </a> </li> </ul> </li><li class="bd-links-group py-2"> <strong class="bd-links-heading d-flex w-100 align-items-center fw-semibold"> <svg class="bi me-2" style="color: var(--bs-cyan);" aria-hidden="true"> <use xlink:href="#menu-button-wide-fill"></use> </svg> Components </strong> <ul class="list-unstyled fw-normal pb-2 small"> <li> <a href="/docs/5.3/components/accordion" class="bd-links-link d-inline-block rounded"> Accordion </a> </li><li> <a href="/docs/5.3/components/alerts" class="bd-links-link d-inline-block rounded active" aria-current="page"> Alerts </a> </li><li> <a href="/docs/5.3/components/badge" class="bd-links-link d-inline-block rounded"> Badge </a> </li><li> <a href="/docs/5.3/components/breadcrumb" class="bd-links-link d-inline-block rounded"> Breadcrumb </a> </li><li> <a href="/docs/5.3/components/buttons" class="bd-links-link d-inline-block rounded"> Buttons </a> </li><li> <a href="/docs/5.3/components/button-group" class="bd-links-link d-inline-block rounded"> Button group </a> </li><li> <a href="/docs/5.3/components/card" class="bd-links-link d-inline-block rounded"> Card </a> </li><li> <a href="/docs/5.3/components/carousel" class="bd-links-link d-inline-block rounded"> Carousel </a> </li><li> <a href="/docs/5.3/components/close-button" class="bd-links-link d-inline-block rounded"> Close button </a> </li><li> <a href="/docs/5.3/components/collapse" class="bd-links-link d-inline-block rounded"> Collapse </a> </li><li> <a href="/docs/5.3/components/dropdowns" class="bd-links-link d-inline-block rounded"> Dropdowns </a> </li><li> <a href="/docs/5.3/components/list-group" class="bd-links-link d-inline-block rounded"> List group </a> </li><li> <a href="/docs/5.3/components/modal" class="bd-links-link d-inline-block rounded"> Modal </a> </li><li> <a href="/docs/5.3/components/navbar" class="bd-links-link d-inline-block rounded"> Navbar </a> </li><li> <a href="/docs/5.3/components/navs-tabs" class="bd-links-link d-inline-block rounded"> Navs &amp; tabs </a> </li><li> <a href="/docs/5.3/components/offcanvas" class="bd-links-link d-inline-block rounded"> Offcanvas </a> </li><li> <a href="/docs/5.3/components/pagination" class="bd-links-link d-inline-block rounded"> Pagination </a> </li><li> <a href="/docs/5.3/components/placeholders" class="bd-links-link d-inline-block rounded"> Placeholders </a> </li><li> <a href="/docs/5.3/components/popovers" class="bd-links-link d-inline-block rounded"> Popovers </a> </li><li> <a href="/docs/5.3/components/progress" class="bd-links-link d-inline-block rounded"> Progress </a> </li><li> <a href="/docs/5.3/components/scrollspy" class="bd-links-link d-inline-block rounded"> Scrollspy </a> </li><li> <a href="/docs/5.3/components/spinners" class="bd-links-link d-inline-block rounded"> Spinners </a> </li><li> <a href="/docs/5.3/components/toasts" class="bd-links-link d-inline-block rounded"> Toasts </a> </li><li> <a href="/docs/5.3/components/tooltips" class="bd-links-link d-inline-block rounded"> Tooltips </a> </li> </ul> </li><li class="bd-links-group py-2"> <strong class="bd-links-heading d-flex w-100 align-items-center fw-semibold"> <svg class="bi me-2" style="color: var(--bs-orange);" aria-hidden="true"> <use xlink:href="#magic"></use> </svg> Helpers </strong> <ul class="list-unstyled fw-normal pb-2 small"> <li> <a href="/docs/5.3/helpers/clearfix" class="bd-links-link d-inline-block rounded"> Clearfix </a> </li><li> <a href="/docs/5.3/helpers/color-background" class="bd-links-link d-inline-block rounded"> Color &amp; background </a> </li><li> <a href="/docs/5.3/helpers/colored-links" class="bd-links-link d-inline-block rounded"> Colored links </a> </li><li> <a href="/docs/5.3/helpers/focus-ring" class="bd-links-link d-inline-block rounded"> Focus ring </a> </li><li> <a href="/docs/5.3/helpers/icon-link" class="bd-links-link d-inline-block rounded"> Icon link </a> </li><li> <a href="/docs/5.3/helpers/position" class="bd-links-link d-inline-block rounded"> Position </a> </li><li> <a href="/docs/5.3/helpers/ratio" class="bd-links-link d-inline-block rounded"> Ratio </a> </li><li> <a href="/docs/5.3/helpers/stacks" class="bd-links-link d-inline-block rounded"> Stacks </a> </li><li> <a href="/docs/5.3/helpers/stretched-link" class="bd-links-link d-inline-block rounded"> Stretched link </a> </li><li> <a href="/docs/5.3/helpers/text-truncation" class="bd-links-link d-inline-block rounded"> Text truncation </a> </li><li> <a href="/docs/5.3/helpers/vertical-rule" class="bd-links-link d-inline-block rounded"> Vertical rule </a> </li><li> <a href="/docs/5.3/helpers/visually-hidden" class="bd-links-link d-inline-block rounded"> Visually hidden </a> </li> </ul> </li><li class="bd-links-group py-2"> <strong class="bd-links-heading d-flex w-100 align-items-center fw-semibold"> <svg class="bi me-2" style="color: var(--bs-red);" aria-hidden="true"> <use xlink:href="#braces-asterisk"></use> </svg> Utilities </strong> <ul class="list-unstyled fw-normal pb-2 small"> <li> <a href="/docs/5.3/utilities/api" class="bd-links-link d-inline-block rounded"> API </a> </li><li> <a href="/docs/5.3/utilities/background" class="bd-links-link d-inline-block rounded"> Background </a> </li><li> <a href="/docs/5.3/utilities/borders" class="bd-links-link d-inline-block rounded"> Borders </a> </li><li> <a href="/docs/5.3/utilities/colors" class="bd-links-link d-inline-block rounded"> Colors </a> </li><li> <a href="/docs/5.3/utilities/display" class="bd-links-link d-inline-block rounded"> Display </a> </li><li> <a href="/docs/5.3/utilities/flex" class="bd-links-link d-inline-block rounded"> Flex </a> </li><li> <a href="/docs/5.3/utilities/float" class="bd-links-link d-inline-block rounded"> Float </a> </li><li> <a href="/docs/5.3/utilities/interactions" class="bd-links-link d-inline-block rounded"> Interactions </a> </li><li> <a href="/docs/5.3/utilities/link" class="bd-links-link d-inline-block rounded"> Link </a> </li><li> <a href="/docs/5.3/utilities/object-fit" class="bd-links-link d-inline-block rounded"> Object fit </a> </li><li> <a href="/docs/5.3/utilities/opacity" class="bd-links-link d-inline-block rounded"> Opacity </a> </li><li> <a href="/docs/5.3/utilities/overflow" class="bd-links-link d-inline-block rounded"> Overflow </a> </li><li> <a href="/docs/5.3/utilities/position" class="bd-links-link d-inline-block rounded"> Position </a> </li><li> <a href="/docs/5.3/utilities/shadows" class="bd-links-link d-inline-block rounded"> Shadows </a> </li><li> <a href="/docs/5.3/utilities/sizing" class="bd-links-link d-inline-block rounded"> Sizing </a> </li><li> <a href="/docs/5.3/utilities/spacing" class="bd-links-link d-inline-block rounded"> Spacing </a> </li><li> <a href="/docs/5.3/utilities/text" class="bd-links-link d-inline-block rounded"> Text </a> </li><li> <a href="/docs/5.3/utilities/vertical-align" class="bd-links-link d-inline-block rounded"> Vertical align </a> </li><li> <a href="/docs/5.3/utilities/visibility" class="bd-links-link d-inline-block rounded"> Visibility </a> </li><li> <a href="/docs/5.3/utilities/z-index" class="bd-links-link d-inline-block rounded"> Z-index </a> </li> </ul> </li><li class="bd-links-group py-2"> <strong class="bd-links-heading d-flex w-100 align-items-center fw-semibold"> <svg class="bi me-2" style="color: var(--bs-blue);" aria-hidden="true"> <use xlink:href="#tools"></use> </svg> Extend </strong> <ul class="list-unstyled fw-normal pb-2 small"> <li> <a href="/docs/5.3/extend/approach" class="bd-links-link d-inline-block rounded"> Approach </a> </li><li> <a href="/docs/5.3/extend/icons" class="bd-links-link d-inline-block rounded"> Icons </a> </li> </ul> </li><li class="bd-links-group py-2"> <strong class="bd-links-heading d-flex w-100 align-items-center fw-semibold"> <svg class="bi me-2" style="color: var(--bs-indigo);" aria-hidden="true"> <use xlink:href="#globe2"></use> </svg> About </strong> <ul class="list-unstyled fw-normal pb-2 small"> <li> <a href="/docs/5.3/about/overview" class="bd-links-link d-inline-block rounded"> Overview </a> </li><li> <a href="/docs/5.3/about/team" class="bd-links-link d-inline-block rounded"> Team </a> </li><li> <a href="/docs/5.3/about/brand" class="bd-links-link d-inline-block rounded"> Brand </a> </li><li> <a href="/docs/5.3/about/license" class="bd-links-link d-inline-block rounded"> License </a> </li><li> <a href="/docs/5.3/about/translations" class="bd-links-link d-inline-block rounded"> Translations </a> </li> </ul> </li> <li class="bd-links-span-all mt-1 mb-3 mx-4 border-top"></li> <li class="bd-links-span-all"> <a href="/docs/5.3/migration/" class="bd-links-link d-inline-block rounded small"> Migration </a> </li> </ul> </nav> </div> </div> </aside> <main class="bd-main order-1"> <div class="bd-intro pt-2 ps-lg-2"> <div class="d-md-flex flex-md-row-reverse align-items-center justify-content-between"> <div class="mb-3 mb-md-0 d-flex text-nowrap"> <a class="btn btn-sm btn-bd-light rounded-2" href="https://github.com/twbs/bootstrap/blob/v5.3.3/site/src/content/components/alerts.mdx" title="View and edit this file on GitHub" target="_blank" rel="noopener">
View on GitHub
</a> </div> <h1 class="bd-title mb-0" id="content">Alerts</h1> </div> <p class="bd-lead"> Provide contextual feedback messages for typical user actions with the handful of available and flexible alert messages. </p> <script async src="https://cdn.carbonads.com/carbon.js?serve=CKYIKKJL&placement=getbootstrapcom" id="_carbonads_js"></script> </div> <div class="bd-toc mt-3 mb-5 my-lg-0 mb-lg-5 px-sm-1 text-body-secondary"> <button class="btn btn-link p-md-0 mb-2 mb-md-0 text-decoration-none bd-toc-toggle d-md-none" type="button" data-bs-toggle="collapse" data-bs-target="#tocContents" aria-expanded="false" aria-controls="tocContents">
On this page
<svg class="bi d-md-none ms-2" aria-hidden="true"> <use xlink:href="#chevron-expand"></use> </svg> </button> <strong class="d-none d-md-block h6 my-2 ms-3">On this page</strong> <hr class="d-none d-md-block my-2 ms-3"> <div class="collapse bd-toc-collapse" id="tocContents"> <nav id="TableOfContents"> <ul> <li> <a href="#examples">Examples</a> </li> <ul> <li> <a href="#live-example">Live example</a> </li> <li> <a href="#link-color">Link color</a> </li> <li> <a href="#additional-content">Additional content</a> </li> <li> <a href="#icons">Icons</a> </li> <li> <a href="#dismissing">Dismissing</a> </li> </ul> <li> <a href="#css">CSS</a> </li> <ul> <li> <a href="#variables">Variables</a> </li> <li> <a href="#sass-variables">Sass variables</a> </li> <li> <a href="#sass-mixins">Sass mixins</a> </li> <li> <a href="#sass-loops">Sass loops</a> </li> </ul> <li> <a href="#javascript-behavior">JavaScript behavior</a> </li> <ul> <li> <a href="#initialize">Initialize</a> </li> <li> <a href="#triggers">Triggers</a> </li> <li> <a href="#methods">Methods</a> </li> <li> <a href="#events">Events</a> </li> </ul> </ul> </nav> </div> </div> <div class="bd-content ps-lg-2"> <h2 id="examples">Examples<a class="anchor-link" href="#examples"> </a></h2>
<p>Alerts are available for any length of text, as well as an optional close button. For proper styling, use one of the eight <strong>required</strong> contextual classes (e.g., <code>.alert-success</code>). For inline dismissal, use the <a href="#dismissing">alerts JavaScript plugin</a>.</p>
<div class="bd-callout bd-callout-info"> <p><strong>Heads up!</strong> As of v5.3.0, the <code>alert-variant()</code> Sass mixin is deprecated. Alert variants now have their CSS variables overridden in <a href="#sass-loops">a Sass loop</a>.</p> </div>
<div class="bd-example-snippet bd-code-snippet"> <div class="bd-example m-0 border-0"> <div class="alert alert-primary" role="alert">
A simple primary alert—check it out!
</div>
<div class="alert alert-secondary" role="alert">
A simple secondary alert—check it out!
</div>
<div class="alert alert-success" role="alert">
A simple success alert—check it out!
</div>
<div class="alert alert-danger" role="alert">
A simple danger alert—check it out!
</div>
<div class="alert alert-warning" role="alert">
A simple warning alert—check it out!
</div>
<div class="alert alert-info" role="alert">
A simple info alert—check it out!
</div>
<div class="alert alert-light" role="alert">
A simple light alert—check it out!
</div>
<div class="alert alert-dark" role="alert">
A simple dark alert—check it out!
</div> </div> <div class="d-flex align-items-center highlight-toolbar ps-3 pe-2 py-1 border-0 border-top border-bottom"> <small class="font-monospace text-body-secondary text-uppercase">html</small> <div class="d-flex ms-auto"> <button type="button" class="btn-edit text-nowrap" title="Try it on StackBlitz"> <svg class="bi" aria-hidden="true"> <use xlink:href="#lightning-charge-fill"></use> </svg> </button> <button type="button" class="btn-clipboard mt-0 me-0" title="Copy to clipboard"> <svg class="bi" aria-hidden="true"> <use xlink:href="#clipboard"></use> </svg> </button> </div> </div><div class="highlight"> <pre class="language-html"><code class="language-html"><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>alert alert-primary<span class="token punctuation">"</span></span> <span class="token attr-name">role</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>alert<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>
A simple primary alert—check it out!
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>div</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>alert alert-secondary<span class="token punctuation">"</span></span> <span class="token attr-name">role</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>alert<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>
A simple secondary alert—check it out!
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>div</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>alert alert-success<span class="token punctuation">"</span></span> <span class="token attr-name">role</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>alert<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>
A simple success alert—check it out!
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>div</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>alert alert-danger<span class="token punctuation">"</span></span> <span class="token attr-name">role</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>alert<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>
A simple danger alert—check it out!
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>div</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>alert alert-warning<span class="token punctuation">"</span></span> <span class="token attr-name">role</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>alert<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>
A simple warning alert—check it out!
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>div</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>alert alert-info<span class="token punctuation">"</span></span> <span class="token attr-name">role</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>alert<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>
A simple info alert—check it out!
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>div</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>alert alert-light<span class="token punctuation">"</span></span> <span class="token attr-name">role</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>alert<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>
A simple light alert—check it out!
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>div</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>alert alert-dark<span class="token punctuation">"</span></span> <span class="token attr-name">role</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>alert<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>
A simple dark alert—check it out!
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>div</span><span class="token punctuation">></span></span></code></pre> </div> </div>
<div class="bd-callout bd-callout-info"> <p><strong>Accessibility tip:</strong> Using color to add meaning only provides a visual indication, which will not be conveyed to users of assistive technologies like screen readers. Please ensure the meaning is obvious from the content itself (e.g., the visible text with a <a href="/docs/5.3/getting-started/accessibility/#color-contrast"><em>sufficient</em> color contrast</a>) or is included through alternative means, such as additional text hidden with the <code>.visually-hidden</code> class.</p> </div>
<h3 id="live-example">Live example<a class="anchor-link" href="#live-example"> </a></h3>
<p>Click the button below to show an alert (hidden with inline styles to start), then dismiss (and destroy) it with the built-in close button.</p>
<div class="bd-example-snippet bd-code-snippet"> <div class="bd-example m-0 border-0"> <div id="liveAlertPlaceholder"></div>
<button type="button" class="btn btn-primary" id="liveAlertBtn">Show live alert</button> </div> <div class="d-flex align-items-center highlight-toolbar ps-3 pe-2 py-1 border-0 border-top border-bottom"> <small class="font-monospace text-body-secondary text-uppercase">html</small> <div class="d-flex ms-auto"> <button type="button" class="btn-edit text-nowrap" title="Try it on StackBlitz" data-sb-js-snippet="true"> <svg class="bi" aria-hidden="true"> <use xlink:href="#lightning-charge-fill"></use> </svg> </button> <button type="button" class="btn-clipboard mt-0 me-0" title="Copy to clipboard"> <svg class="bi" aria-hidden="true"> <use xlink:href="#clipboard"></use> </svg> </button> </div> </div><div class="highlight"> <pre class="language-html"><code class="language-html"><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>div</span> <span class="token attr-name">id</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>liveAlertPlaceholder<span class="token punctuation">"</span></span><span class="token punctuation">></span></span><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>div</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>button</span> <span class="token attr-name">type</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>button<span class="token punctuation">"</span></span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>btn btn-primary<span class="token punctuation">"</span></span> <span class="token attr-name">id</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>liveAlertBtn<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>Show live alert<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>button</span><span class="token punctuation">></span></span></code></pre> </div> </div>
<p>We use the following JavaScript to trigger our live alert demo:</p>
<div class="bd-code-snippet bd-example-snippet bd-code-snippet bd-file-ref"> <div class="d-flex align-items-center highlight-toolbar ps-3 pe-2 py-1 border-bottom"> <a class="font-monospace link-secondary link-underline-secondary link-underline-opacity-0 link-underline-opacity-100-hover small" href="https://github.com/twbs/bootstrap/blob/v5.3.3/site/src/assets/partials/snippets.js"> site/src/assets/partials/snippets.js </a> <div class="d-flex ms-auto"> <button type="button" class="btn-clipboard mt-0 me-0" title="Copy to clipboard"> <svg class="bi" aria-hidden="true"><use xlink:href="#clipboard"></use></svg> </button> </div> </div> <div class="highlight"> <pre class="language-js"><code class="language-js"> <span class="token keyword">const</span> alertPlaceholder <span class="token operator">=</span> document<span class="token punctuation">.</span><span class="token function">getElementById</span><span class="token punctuation">(</span><span class="token string">'liveAlertPlaceholder'</span><span class="token punctuation">)</span>
<span class="token keyword">const</span> <span class="token function-variable function">appendAlert</span> <span class="token operator">=</span> <span class="token punctuation">(</span><span class="token parameter">message<span class="token punctuation">,</span> type</span><span class="token punctuation">)</span> <span class="token operator">=></span> <span class="token punctuation">{</span>
<span class="token keyword">const</span> wrapper <span class="token operator">=</span> document<span class="token punctuation">.</span><span class="token function">createElement</span><span class="token punctuation">(</span><span class="token string">'div'</span><span class="token punctuation">)</span>
wrapper<span class="token punctuation">.</span>innerHTML <span class="token operator">=</span> <span class="token punctuation">[</span>
<span class="token template-string"><span class="token template-punctuation string">`</span><span class="token string">&lt;div class="alert alert-</span><span class="token interpolation"><span class="token interpolation-punctuation punctuation">${</span>type<span class="token interpolation-punctuation punctuation">}</span></span><span class="token string"> alert-dismissible" role="alert"></span><span class="token template-punctuation string">`</span></span><span class="token punctuation">,</span>
<span class="token template-string"><span class="token template-punctuation string">`</span><span class="token string"> &lt;div></span><span class="token interpolation"><span class="token interpolation-punctuation punctuation">${</span>message<span class="token interpolation-punctuation punctuation">}</span></span><span class="token string">&lt;/div></span><span class="token template-punctuation string">`</span></span><span class="token punctuation">,</span>
<span class="token string">' &lt;button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Close">&lt;/button>'</span><span class="token punctuation">,</span>
<span class="token string">'&lt;/div>'</span>
<span class="token punctuation">]</span><span class="token punctuation">.</span><span class="token function">join</span><span class="token punctuation">(</span><span class="token string">''</span><span class="token punctuation">)</span>
alertPlaceholder<span class="token punctuation">.</span><span class="token function">append</span><span class="token punctuation">(</span>wrapper<span class="token punctuation">)</span>
<span class="token punctuation">}</span>
<span class="token keyword">const</span> alertTrigger <span class="token operator">=</span> document<span class="token punctuation">.</span><span class="token function">getElementById</span><span class="token punctuation">(</span><span class="token string">'liveAlertBtn'</span><span class="token punctuation">)</span>
<span class="token keyword">if</span> <span class="token punctuation">(</span>alertTrigger<span class="token punctuation">)</span> <span class="token punctuation">{</span>
alertTrigger<span class="token punctuation">.</span><span class="token function">addEventListener</span><span class="token punctuation">(</span><span class="token string">'click'</span><span class="token punctuation">,</span> <span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">=></span> <span class="token punctuation">{</span>
<span class="token function">appendAlert</span><span class="token punctuation">(</span><span class="token string">'Nice, you triggered this alert message!'</span><span class="token punctuation">,</span> <span class="token string">'success'</span><span class="token punctuation">)</span>
<span class="token punctuation">}</span><span class="token punctuation">)</span>
<span class="token punctuation">}</span>
</code></pre> </div> </div>
<h3 id="link-color">Link color<a class="anchor-link" href="#link-color"> </a></h3>
<p>Use the <code>.alert-link</code> utility class to quickly provide matching colored links within any alert.</p>
<div class="bd-example-snippet bd-code-snippet"> <div class="bd-example m-0 border-0"> <div class="alert alert-primary" role="alert">
A simple primary alert with <a href="#" class="alert-link">an example link</a>. Give it a click if you like.
</div>
<div class="alert alert-secondary" role="alert">
A simple secondary alert with <a href="#" class="alert-link">an example link</a>. Give it a click if you like.
</div>
<div class="alert alert-success" role="alert">
A simple success alert with <a href="#" class="alert-link">an example link</a>. Give it a click if you like.
</div>
<div class="alert alert-danger" role="alert">
A simple danger alert with <a href="#" class="alert-link">an example link</a>. Give it a click if you like.
</div>
<div class="alert alert-warning" role="alert">
A simple warning alert with <a href="#" class="alert-link">an example link</a>. Give it a click if you like.
</div>
<div class="alert alert-info" role="alert">
A simple info alert with <a href="#" class="alert-link">an example link</a>. Give it a click if you like.
</div>
<div class="alert alert-light" role="alert">
A simple light alert with <a href="#" class="alert-link">an example link</a>. Give it a click if you like.
</div>
<div class="alert alert-dark" role="alert">
A simple dark alert with <a href="#" class="alert-link">an example link</a>. Give it a click if you like.
</div> </div> <div class="d-flex align-items-center highlight-toolbar ps-3 pe-2 py-1 border-0 border-top border-bottom"> <small class="font-monospace text-body-secondary text-uppercase">html</small> <div class="d-flex ms-auto"> <button type="button" class="btn-edit text-nowrap" title="Try it on StackBlitz"> <svg class="bi" aria-hidden="true"> <use xlink:href="#lightning-charge-fill"></use> </svg> </button> <button type="button" class="btn-clipboard mt-0 me-0" title="Copy to clipboard"> <svg class="bi" aria-hidden="true"> <use xlink:href="#clipboard"></use> </svg> </button> </div> </div><div class="highlight"> <pre class="language-html"><code class="language-html"><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>alert alert-primary<span class="token punctuation">"</span></span> <span class="token attr-name">role</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>alert<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>
A simple primary alert with <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>a</span> <span class="token attr-name">href</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>#<span class="token punctuation">"</span></span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>alert-link<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>an example link<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>a</span><span class="token punctuation">></span></span>. Give it a click if you like.
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>div</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>alert alert-secondary<span class="token punctuation">"</span></span> <span class="token attr-name">role</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>alert<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>
A simple secondary alert with <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>a</span> <span class="token attr-name">href</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>#<span class="token punctuation">"</span></span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>alert-link<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>an example link<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>a</span><span class="token punctuation">></span></span>. Give it a click if you like.
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>div</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>alert alert-success<span class="token punctuation">"</span></span> <span class="token attr-name">role</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>alert<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>
A simple success alert with <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>a</span> <span class="token attr-name">href</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>#<span class="token punctuation">"</span></span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>alert-link<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>an example link<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>a</span><span class="token punctuation">></span></span>. Give it a click if you like.
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>div</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>alert alert-danger<span class="token punctuation">"</span></span> <span class="token attr-name">role</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>alert<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>
A simple danger alert with <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>a</span> <span class="token attr-name">href</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>#<span class="token punctuation">"</span></span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>alert-link<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>an example link<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>a</span><span class="token punctuation">></span></span>. Give it a click if you like.
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>div</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>alert alert-warning<span class="token punctuation">"</span></span> <span class="token attr-name">role</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>alert<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>
A simple warning alert with <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>a</span> <span class="token attr-name">href</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>#<span class="token punctuation">"</span></span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>alert-link<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>an example link<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>a</span><span class="token punctuation">></span></span>. Give it a click if you like.
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>div</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>alert alert-info<span class="token punctuation">"</span></span> <span class="token attr-name">role</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>alert<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>
A simple info alert with <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>a</span> <span class="token attr-name">href</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>#<span class="token punctuation">"</span></span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>alert-link<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>an example link<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>a</span><span class="token punctuation">></span></span>. Give it a click if you like.
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>div</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>alert alert-light<span class="token punctuation">"</span></span> <span class="token attr-name">role</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>alert<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>
A simple light alert with <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>a</span> <span class="token attr-name">href</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>#<span class="token punctuation">"</span></span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>alert-link<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>an example link<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>a</span><span class="token punctuation">></span></span>. Give it a click if you like.
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>div</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>alert alert-dark<span class="token punctuation">"</span></span> <span class="token attr-name">role</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>alert<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>
A simple dark alert with <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>a</span> <span class="token attr-name">href</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>#<span class="token punctuation">"</span></span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>alert-link<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>an example link<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>a</span><span class="token punctuation">></span></span>. Give it a click if you like.
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>div</span><span class="token punctuation">></span></span></code></pre> </div> </div>
<h3 id="additional-content">Additional content<a class="anchor-link" href="#additional-content"> </a></h3>
<p>Alerts can also contain additional HTML elements like headings, paragraphs and dividers.</p>
<div class="bd-example-snippet bd-code-snippet"> <div class="bd-example m-0 border-0"> <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> </div> <div class="d-flex align-items-center highlight-toolbar ps-3 pe-2 py-1 border-0 border-top border-bottom"> <small class="font-monospace text-body-secondary text-uppercase">html</small> <div class="d-flex ms-auto"> <button type="button" class="btn-edit text-nowrap" title="Try it on StackBlitz"> <svg class="bi" aria-hidden="true"> <use xlink:href="#lightning-charge-fill"></use> </svg> </button> <button type="button" class="btn-clipboard mt-0 me-0" title="Copy to clipboard"> <svg class="bi" aria-hidden="true"> <use xlink:href="#clipboard"></use> </svg> </button> </div> </div><div class="highlight"> <pre class="language-html"><code class="language-html"><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>alert alert-success<span class="token punctuation">"</span></span> <span class="token attr-name">role</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>alert<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>h4</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>alert-heading<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>Well done!<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>h4</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>p</span><span class="token punctuation">></span></span>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.<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>p</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>hr</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>p</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>mb-0<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>Whenever you need to, be sure to use margin utilities to keep things nice and tidy.<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>p</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>div</span><span class="token punctuation">></span></span></code></pre> </div> </div>
<h3 id="icons">Icons<a class="anchor-link" href="#icons"> </a></h3>
<p>Similarly, you can use <a href="/docs/5.3/utilities/flex">flexbox utilities</a> and <a href="https://icons.getbootstrap.com/">Bootstrap Icons</a> to create alerts with icons. Depending on your icons and content, you may want to add more utilities or custom styles.</p>
<div class="bd-example-snippet bd-code-snippet"> <div class="bd-example m-0 border-0"> <div class="alert alert-primary d-flex align-items-center" role="alert">
<svg xmlns="http://www.w3.org/2000/svg" class="bi flex-shrink-0 me-2" viewBox="0 0 16 16" role="img" aria-label="Warning:">
<path d="M8.982 1.566a1.13 1.13 0 0 0-1.96 0L.165 13.233c-.457.778.091 1.767.98 1.767h13.713c.889 0 1.438-.99.98-1.767L8.982 1.566zM8 5c.535 0 .954.462.9.995l-.35 3.507a.552.552 0 0 1-1.1 0L7.1 5.995A.905.905 0 0 1 8 5zm.002 6a1 1 0 1 1 0 2 1 1 0 0 1 0-2z"/>
</svg>
<div>
An example alert with an icon
</div>
</div> </div> <div class="d-flex align-items-center highlight-toolbar ps-3 pe-2 py-1 border-0 border-top border-bottom"> <small class="font-monospace text-body-secondary text-uppercase">html</small> <div class="d-flex ms-auto"> <button type="button" class="btn-edit text-nowrap" title="Try it on StackBlitz"> <svg class="bi" aria-hidden="true"> <use xlink:href="#lightning-charge-fill"></use> </svg> </button> <button type="button" class="btn-clipboard mt-0 me-0" title="Copy to clipboard"> <svg class="bi" aria-hidden="true"> <use xlink:href="#clipboard"></use> </svg> </button> </div> </div><div class="highlight"> <pre class="language-html"><code class="language-html"><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>alert alert-primary d-flex align-items-center<span class="token punctuation">"</span></span> <span class="token attr-name">role</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>alert<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>svg</span> <span class="token attr-name">xmlns</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>http://www.w3.org/2000/svg<span class="token punctuation">"</span></span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>bi flex-shrink-0 me-2<span class="token punctuation">"</span></span> <span class="token attr-name">viewBox</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>0 0 16 16<span class="token punctuation">"</span></span> <span class="token attr-name">role</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>img<span class="token punctuation">"</span></span> <span class="token attr-name">aria-label</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>Warning:<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>path</span> <span class="token attr-name">d</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>M8.982 1.566a1.13 1.13 0 0 0-1.96 0L.165 13.233c-.457.778.091 1.767.98 1.767h13.713c.889 0 1.438-.99.98-1.767L8.982 1.566zM8 5c.535 0 .954.462.9.995l-.35 3.507a.552.552 0 0 1-1.1 0L7.1 5.995A.905.905 0 0 1 8 5zm.002 6a1 1 0 1 1 0 2 1 1 0 0 1 0-2z<span class="token punctuation">"</span></span><span class="token punctuation">/></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>svg</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>div</span><span class="token punctuation">></span></span>
An example alert with an icon
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>div</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>div</span><span class="token punctuation">></span></span></code></pre> </div> </div>
<p>Need more than one icon for your alerts? Consider using more Bootstrap Icons and making a local SVG sprite like so to easily reference the same icons repeatedly.</p>
<div class="bd-example-snippet bd-code-snippet"> <div class="bd-example m-0 border-0"> <svg xmlns="http://www.w3.org/2000/svg" class="d-none">
<symbol id="check-circle-fill" viewBox="0 0 16 16">
<path d="M16 8A8 8 0 1 1 0 8a8 8 0 0 1 16 0zm-3.97-3.03a.75.75 0 0 0-1.08.022L7.477 9.417 5.384 7.323a.75.75 0 0 0-1.06 1.06L6.97 11.03a.75.75 0 0 0 1.079-.02l3.992-4.99a.75.75 0 0 0-.01-1.05z"/>
</symbol>
<symbol id="info-fill" viewBox="0 0 16 16">
<path d="M8 16A8 8 0 1 0 8 0a8 8 0 0 0 0 16zm.93-9.412-1 4.705c-.07.34.029.533.304.533.194 0 .487-.07.686-.246l-.088.416c-.287.346-.92.598-1.465.598-.703 0-1.002-.422-.808-1.319l.738-3.468c.064-.293.006-.399-.287-.47l-.451-.081.082-.381 2.29-.287zM8 5.5a1 1 0 1 1 0-2 1 1 0 0 1 0 2z"/>
</symbol>
<symbol id="exclamation-triangle-fill" viewBox="0 0 16 16">
<path d="M8.982 1.566a1.13 1.13 0 0 0-1.96 0L.165 13.233c-.457.778.091 1.767.98 1.767h13.713c.889 0 1.438-.99.98-1.767L8.982 1.566zM8 5c.535 0 .954.462.9.995l-.35 3.507a.552.552 0 0 1-1.1 0L7.1 5.995A.905.905 0 0 1 8 5zm.002 6a1 1 0 1 1 0 2 1 1 0 0 1 0-2z"/>
</symbol>
</svg>
<div class="alert alert-primary d-flex align-items-center" role="alert">
<svg class="bi flex-shrink-0 me-2" role="img" aria-label="Info:"><use xlink:href="#info-fill"/></svg>
<div>
An example alert with an icon
</div>
</div>
<div class="alert alert-success d-flex align-items-center" role="alert">
<svg class="bi flex-shrink-0 me-2" role="img" aria-label="Success:"><use xlink:href="#check-circle-fill"/></svg>
<div>
An example success alert with an icon
</div>
</div>
<div class="alert alert-warning d-flex align-items-center" role="alert">
<svg class="bi flex-shrink-0 me-2" role="img" aria-label="Warning:"><use xlink:href="#exclamation-triangle-fill"/></svg>
<div>
An example warning alert with an icon
</div>
</div>
<div class="alert alert-danger d-flex align-items-center" role="alert">
<svg class="bi flex-shrink-0 me-2" role="img" aria-label="Danger:"><use xlink:href="#exclamation-triangle-fill"/></svg>
<div>
An example danger alert with an icon
</div>
</div> </div> <div class="d-flex align-items-center highlight-toolbar ps-3 pe-2 py-1 border-0 border-top border-bottom"> <small class="font-monospace text-body-secondary text-uppercase">html</small> <div class="d-flex ms-auto"> <button type="button" class="btn-edit text-nowrap" title="Try it on StackBlitz"> <svg class="bi" aria-hidden="true"> <use xlink:href="#lightning-charge-fill"></use> </svg> </button> <button type="button" class="btn-clipboard mt-0 me-0" title="Copy to clipboard"> <svg class="bi" aria-hidden="true"> <use xlink:href="#clipboard"></use> </svg> </button> </div> </div><div class="highlight"> <pre class="language-html"><code class="language-html"><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>svg</span> <span class="token attr-name">xmlns</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>http://www.w3.org/2000/svg<span class="token punctuation">"</span></span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>d-none<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>symbol</span> <span class="token attr-name">id</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>check-circle-fill<span class="token punctuation">"</span></span> <span class="token attr-name">viewBox</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>0 0 16 16<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>path</span> <span class="token attr-name">d</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>M16 8A8 8 0 1 1 0 8a8 8 0 0 1 16 0zm-3.97-3.03a.75.75 0 0 0-1.08.022L7.477 9.417 5.384 7.323a.75.75 0 0 0-1.06 1.06L6.97 11.03a.75.75 0 0 0 1.079-.02l3.992-4.99a.75.75 0 0 0-.01-1.05z<span class="token punctuation">"</span></span><span class="token punctuation">/></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>symbol</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>symbol</span> <span class="token attr-name">id</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>info-fill<span class="token punctuation">"</span></span> <span class="token attr-name">viewBox</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>0 0 16 16<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>path</span> <span class="token attr-name">d</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>M8 16A8 8 0 1 0 8 0a8 8 0 0 0 0 16zm.93-9.412-1 4.705c-.07.34.029.533.304.533.194 0 .487-.07.686-.246l-.088.416c-.287.346-.92.598-1.465.598-.703 0-1.002-.422-.808-1.319l.738-3.468c.064-.293.006-.399-.287-.47l-.451-.081.082-.381 2.29-.287zM8 5.5a1 1 0 1 1 0-2 1 1 0 0 1 0 2z<span class="token punctuation">"</span></span><span class="token punctuation">/></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>symbol</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>symbol</span> <span class="token attr-name">id</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>exclamation-triangle-fill<span class="token punctuation">"</span></span> <span class="token attr-name">viewBox</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>0 0 16 16<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>path</span> <span class="token attr-name">d</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>M8.982 1.566a1.13 1.13 0 0 0-1.96 0L.165 13.233c-.457.778.091 1.767.98 1.767h13.713c.889 0 1.438-.99.98-1.767L8.982 1.566zM8 5c.535 0 .954.462.9.995l-.35 3.507a.552.552 0 0 1-1.1 0L7.1 5.995A.905.905 0 0 1 8 5zm.002 6a1 1 0 1 1 0 2 1 1 0 0 1 0-2z<span class="token punctuation">"</span></span><span class="token punctuation">/></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>symbol</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>svg</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>alert alert-primary d-flex align-items-center<span class="token punctuation">"</span></span> <span class="token attr-name">role</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>alert<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>svg</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>bi flex-shrink-0 me-2<span class="token punctuation">"</span></span> <span class="token attr-name">role</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>img<span class="token punctuation">"</span></span> <span class="token attr-name">aria-label</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>Info:<span class="token punctuation">"</span></span><span class="token punctuation">></span></span><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>use</span> <span class="token attr-name"><span class="token namespace">xlink:</span>href</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>#info-fill<span class="token punctuation">"</span></span><span class="token punctuation">/></span></span><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>svg</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>div</span><span class="token punctuation">></span></span>
An example alert with an icon
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>div</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>div</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>alert alert-success d-flex align-items-center<span class="token punctuation">"</span></span> <span class="token attr-name">role</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>alert<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>svg</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>bi flex-shrink-0 me-2<span class="token punctuation">"</span></span> <span class="token attr-name">role</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>img<span class="token punctuation">"</span></span> <span class="token attr-name">aria-label</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>Success:<span class="token punctuation">"</span></span><span class="token punctuation">></span></span><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>use</span> <span class="token attr-name"><span class="token namespace">xlink:</span>href</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>#check-circle-fill<span class="token punctuation">"</span></span><span class="token punctuation">/></span></span><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>svg</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>div</span><span class="token punctuation">></span></span>
An example success alert with an icon
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>div</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>div</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>alert alert-warning d-flex align-items-center<span class="token punctuation">"</span></span> <span class="token attr-name">role</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>alert<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>svg</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>bi flex-shrink-0 me-2<span class="token punctuation">"</span></span> <span class="token attr-name">role</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>img<span class="token punctuation">"</span></span> <span class="token attr-name">aria-label</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>Warning:<span class="token punctuation">"</span></span><span class="token punctuation">></span></span><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>use</span> <span class="token attr-name"><span class="token namespace">xlink:</span>href</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>#exclamation-triangle-fill<span class="token punctuation">"</span></span><span class="token punctuation">/></span></span><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>svg</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>div</span><span class="token punctuation">></span></span>
An example warning alert with an icon
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>div</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>div</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>alert alert-danger d-flex align-items-center<span class="token punctuation">"</span></span> <span class="token attr-name">role</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>alert<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>svg</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>bi flex-shrink-0 me-2<span class="token punctuation">"</span></span> <span class="token attr-name">role</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>img<span class="token punctuation">"</span></span> <span class="token attr-name">aria-label</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>Danger:<span class="token punctuation">"</span></span><span class="token punctuation">></span></span><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>use</span> <span class="token attr-name"><span class="token namespace">xlink:</span>href</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>#exclamation-triangle-fill<span class="token punctuation">"</span></span><span class="token punctuation">/></span></span><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>svg</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>div</span><span class="token punctuation">></span></span>
An example danger alert with an icon
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>div</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>div</span><span class="token punctuation">></span></span></code></pre> </div> </div>
<h3 id="dismissing">Dismissing<a class="anchor-link" href="#dismissing"> </a></h3>
<p>Using the alert JavaScript plugin, it&#39;s possible to dismiss any alert inline. Here&#39;s how:</p>
<ul>
<li>Be sure you&#39;ve loaded the alert plugin, or the compiled Bootstrap JavaScript.</li>
<li>Add a <a href="/docs/5.3/components/close-button">close button</a> and the <code>.alert-dismissible</code> class, which adds extra padding to the right of the alert and positions the close button.</li>
<li>On the close button, add the <code>data-bs-dismiss=&quot;alert&quot;</code> attribute, which triggers the JavaScript functionality. Be sure to use the <code>&lt;button&gt;</code> element with it for proper behavior across all devices.</li>
<li>To animate alerts when dismissing them, be sure to add the <code>.fade</code> and <code>.show</code> classes.</li>
</ul>
<p>You can see this in action with a live demo:</p>
<div class="bd-example-snippet bd-code-snippet"> <div class="bd-example m-0 border-0"> <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="btn-close" data-bs-dismiss="alert" aria-label="Close"></button>
</div> </div> <div class="d-flex align-items-center highlight-toolbar ps-3 pe-2 py-1 border-0 border-top border-bottom"> <small class="font-monospace text-body-secondary text-uppercase">html</small> <div class="d-flex ms-auto"> <button type="button" class="btn-edit text-nowrap" title="Try it on StackBlitz"> <svg class="bi" aria-hidden="true"> <use xlink:href="#lightning-charge-fill"></use> </svg> </button> <button type="button" class="btn-clipboard mt-0 me-0" title="Copy to clipboard"> <svg class="bi" aria-hidden="true"> <use xlink:href="#clipboard"></use> </svg> </button> </div> </div><div class="highlight"> <pre class="language-html"><code class="language-html"><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>alert alert-warning alert-dismissible fade show<span class="token punctuation">"</span></span> <span class="token attr-name">role</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>alert<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>strong</span><span class="token punctuation">></span></span>Holy guacamole!<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>strong</span><span class="token punctuation">></span></span> You should check in on some of those fields below.
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>button</span> <span class="token attr-name">type</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>button<span class="token punctuation">"</span></span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>btn-close<span class="token punctuation">"</span></span> <span class="token attr-name">data-bs-dismiss</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>alert<span class="token punctuation">"</span></span> <span class="token attr-name">aria-label</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>Close<span class="token punctuation">"</span></span><span class="token punctuation">></span></span><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>button</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>div</span><span class="token punctuation">></span></span></code></pre> </div> </div>
<div class="bd-callout bd-callout-warning"> <p>When an alert is dismissed, the element is completely removed from the page structure. If a keyboard user dismisses the alert using the close button, their focus will suddenly be lost and, depending on the browser, reset to the start of the page/document. For this reason, we recommend including additional JavaScript that listens for the <code>closed.bs.alert</code> event and programmatically sets <code>focus()</code> to the most appropriate location in the page. If you&#39;re planning to move focus to a non-interactive element that normally does not receive focus, make sure to add <code>tabindex=&quot;-1&quot;</code> to the element.</p> </div>
<h2 id="css">CSS<a class="anchor-link" href="#css"> </a></h2>
<h3 id="variables">Variables<a class="anchor-link" href="#variables"> </a></h3>
<small class="d-inline-flex mb-3 px-2 py-1 fw-semibold text-success-emphasis bg-success-subtle border border-success-subtle rounded-2">Added in v5.2.0</small>
<p>As part of Bootstrap&#39;s evolving CSS variables approach, alerts now use local CSS variables on <code>.alert</code> for enhanced real-time customization. Values for the CSS variables are set via Sass, so Sass customization is still supported, too.</p>
<div class="bd-code-snippet bd-example-snippet bd-file-ref"> <div class="d-flex align-items-center highlight-toolbar ps-3 pe-2 py-1 border-bottom"> <a class="font-monospace link-secondary link-underline-secondary link-underline-opacity-0 link-underline-opacity-100-hover small" href="https://github.com/twbs/bootstrap/blob/v5.3.3/scss/_alert.scss"> scss/_alert.scss </a> <div class="d-flex ms-auto"> <button type="button" class="btn-clipboard mt-0 me-0" title="Copy to clipboard"> <svg class="bi" aria-hidden="true"><use xlink:href="#clipboard"></use></svg> </button> </div> </div> <div class="highlight"> <pre class="language-scss"><code class="language-scss"> <span class="token property">--<span class="token variable">#{$prefix}</span>alert-bg</span><span class="token punctuation">:</span> transparent<span class="token punctuation">;</span>
<span class="token property">--<span class="token variable">#{$prefix}</span>alert-padding-x</span><span class="token punctuation">:</span> <span class="token variable">#{$alert-padding-x}</span><span class="token punctuation">;</span>
<span class="token property">--<span class="token variable">#{$prefix}</span>alert-padding-y</span><span class="token punctuation">:</span> <span class="token variable">#{$alert-padding-y}</span><span class="token punctuation">;</span>
<span class="token property">--<span class="token variable">#{$prefix}</span>alert-margin-bottom</span><span class="token punctuation">:</span> <span class="token variable">#{$alert-margin-bottom}</span><span class="token punctuation">;</span>
<span class="token property">--<span class="token variable">#{$prefix}</span>alert-color</span><span class="token punctuation">:</span> inherit<span class="token punctuation">;</span>
<span class="token property">--<span class="token variable">#{$prefix}</span>alert-border-color</span><span class="token punctuation">:</span> transparent<span class="token punctuation">;</span>
<span class="token property">--<span class="token variable">#{$prefix}</span>alert-border</span><span class="token punctuation">:</span> <span class="token variable">#{$alert-border-width}</span> solid <span class="token function">var</span><span class="token punctuation">(</span>--<span class="token variable">#{$prefix}</span>alert-border-color<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token property">--<span class="token variable">#{$prefix}</span>alert-border-radius</span><span class="token punctuation">:</span> <span class="token variable">#{$alert-border-radius}</span><span class="token punctuation">;</span>
<span class="token property">--<span class="token variable">#{$prefix}</span>alert-link-color</span><span class="token punctuation">:</span> inherit<span class="token punctuation">;</span>
</code></pre> </div> </div>
<h3 id="sass-variables">Sass variables<a class="anchor-link" href="#sass-variables"> </a></h3>
<div class="bd-code-snippet bd-example-snippet bd-file-ref"> <div class="d-flex align-items-center highlight-toolbar ps-3 pe-2 py-1 border-bottom"> <a class="font-monospace link-secondary link-underline-secondary link-underline-opacity-0 link-underline-opacity-100-hover small" href="https://github.com/twbs/bootstrap/blob/v5.3.3/scss/_variables.scss"> scss/_variables.scss </a> <div class="d-flex ms-auto"> <button type="button" class="btn-clipboard mt-0 me-0" title="Copy to clipboard"> <svg class="bi" aria-hidden="true"><use xlink:href="#clipboard"></use></svg> </button> </div> </div> <div class="highlight"> <pre class="language-scss"><code class="language-scss"><span class="token property"><span class="token variable">$alert-padding-y</span></span><span class="token punctuation">:</span> <span class="token variable">$spacer</span><span class="token punctuation">;</span>
<span class="token property"><span class="token variable">$alert-padding-x</span></span><span class="token punctuation">:</span> <span class="token variable">$spacer</span><span class="token punctuation">;</span>
<span class="token property"><span class="token variable">$alert-margin-bottom</span></span><span class="token punctuation">:</span> 1rem<span class="token punctuation">;</span>
<span class="token property"><span class="token variable">$alert-border-radius</span></span><span class="token punctuation">:</span> <span class="token function">var</span><span class="token punctuation">(</span>--<span class="token variable">#{$prefix}</span>border-radius<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token property"><span class="token variable">$alert-link-font-weight</span></span><span class="token punctuation">:</span> <span class="token variable">$font-weight-bold</span><span class="token punctuation">;</span>
<span class="token property"><span class="token variable">$alert-border-width</span></span><span class="token punctuation">:</span> <span class="token function">var</span><span class="token punctuation">(</span>--<span class="token variable">#{$prefix}</span>border-width<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token property"><span class="token variable">$alert-dismissible-padding-r</span></span><span class="token punctuation">:</span> <span class="token variable">$alert-padding-x</span> <span class="token operator">*</span> 3<span class="token punctuation">;</span> <span class="token comment">// 3x covers width of x plus default padding on either side</span>
</code></pre> </div> </div>
<h3 id="sass-mixins">Sass mixins<a class="anchor-link" href="#sass-mixins"> </a></h3>
<small class="d-inline-flex mb-3 px-2 py-1 fw-semibold text-warning-emphasis bg-warning-subtle border border-warning-subtle rounded-2">
Deprecated in v5.3.0 </small>
<div class="bd-code-snippet bd-example-snippet bd-file-ref"> <div class="d-flex align-items-center highlight-toolbar ps-3 pe-2 py-1 border-bottom"> <a class="font-monospace link-secondary link-underline-secondary link-underline-opacity-0 link-underline-opacity-100-hover small" href="https://github.com/twbs/bootstrap/blob/v5.3.3/scss/mixins/_alert.scss"> scss/mixins/_alert.scss </a> <div class="d-flex ms-auto"> <button type="button" class="btn-clipboard mt-0 me-0" title="Copy to clipboard"> <svg class="bi" aria-hidden="true"><use xlink:href="#clipboard"></use></svg> </button> </div> </div> <div class="highlight"> <pre class="language-scss"><code class="language-scss"><span class="token keyword">@mixin</span> <span class="token function">alert-variant</span><span class="token punctuation">(</span><span class="token variable">$background</span><span class="token punctuation">,</span> <span class="token variable">$border</span><span class="token punctuation">,</span> <span class="token variable">$color</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
<span class="token property">--<span class="token variable">#{$prefix}</span>alert-color</span><span class="token punctuation">:</span> <span class="token variable">#{$color}</span><span class="token punctuation">;</span>
<span class="token property">--<span class="token variable">#{$prefix}</span>alert-bg</span><span class="token punctuation">:</span> <span class="token variable">#{$background}</span><span class="token punctuation">;</span>
<span class="token property">--<span class="token variable">#{$prefix}</span>alert-border-color</span><span class="token punctuation">:</span> <span class="token variable">#{$border}</span><span class="token punctuation">;</span>
<span class="token property">--<span class="token variable">#{$prefix}</span>alert-link-color</span><span class="token punctuation">:</span> #<span class="token punctuation">{</span><span class="token function">shade-color</span><span class="token punctuation">(</span><span class="token variable">$color</span><span class="token punctuation">,</span> 20%<span class="token punctuation">)</span><span class="token punctuation">}</span><span class="token punctuation">;</span>
<span class="token keyword">@if</span> <span class="token selector"><span class="token variable">$enable-gradients</span> </span><span class="token punctuation">{</span>
<span class="token property">background-image</span><span class="token punctuation">:</span> <span class="token function">var</span><span class="token punctuation">(</span>--<span class="token variable">#{$prefix}</span>gradient<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token selector">.alert-link </span><span class="token punctuation">{</span>
<span class="token property">color</span><span class="token punctuation">:</span> <span class="token function">var</span><span class="token punctuation">(</span>--<span class="token variable">#{$prefix}</span>alert-link-color<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token punctuation">}</span>
</code></pre> </div> </div>
<h3 id="sass-loops">Sass loops<a class="anchor-link" href="#sass-loops"> </a></h3>
<p>Loop that generates the modifier classes with an overriding of CSS variables.</p>
<div class="bd-code-snippet bd-example-snippet bd-file-ref"> <div class="d-flex align-items-center highlight-toolbar ps-3 pe-2 py-1 border-bottom"> <a class="font-monospace link-secondary link-underline-secondary link-underline-opacity-0 link-underline-opacity-100-hover small" href="https://github.com/twbs/bootstrap/blob/v5.3.3/scss/_alert.scss"> scss/_alert.scss </a> <div class="d-flex ms-auto"> <button type="button" class="btn-clipboard mt-0 me-0" title="Copy to clipboard"> <svg class="bi" aria-hidden="true"><use xlink:href="#clipboard"></use></svg> </button> </div> </div> <div class="highlight"> <pre class="language-scss"><code class="language-scss"><span class="token comment">// Generate contextual modifier classes for colorizing the alert</span>
<span class="token keyword">@each</span> <span class="token variable">$state</span> in <span class="token function">map-keys</span><span class="token punctuation">(</span><span class="token variable">$theme-colors</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
<span class="token selector">.alert-<span class="token variable">#{$state}</span> </span><span class="token punctuation">{</span>
<span class="token property">--<span class="token variable">#{$prefix}</span>alert-color</span><span class="token punctuation">:</span> <span class="token function">var</span><span class="token punctuation">(</span>--<span class="token variable">#{$prefix}</span><span class="token variable">#{$state}</span>-text-emphasis<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token property">--<span class="token variable">#{$prefix}</span>alert-bg</span><span class="token punctuation">:</span> <span class="token function">var</span><span class="token punctuation">(</span>--<span class="token variable">#{$prefix}</span><span class="token variable">#{$state}</span>-bg-subtle<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token property">--<span class="token variable">#{$prefix}</span>alert-border-color</span><span class="token punctuation">:</span> <span class="token function">var</span><span class="token punctuation">(</span>--<span class="token variable">#{$prefix}</span><span class="token variable">#{$state}</span>-border-subtle<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token property">--<span class="token variable">#{$prefix}</span>alert-link-color</span><span class="token punctuation">:</span> <span class="token function">var</span><span class="token punctuation">(</span>--<span class="token variable">#{$prefix}</span><span class="token variable">#{$state}</span>-text-emphasis<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token punctuation">}</span>
</code></pre> </div> </div>
<h2 id="javascript-behavior">JavaScript behavior<a class="anchor-link" href="#javascript-behavior"> </a></h2>
<h3 id="initialize">Initialize<a class="anchor-link" href="#initialize"> </a></h3>
<p>Initialize elements as alerts</p>
<script type="module" src="/_astro/Code.astro_astro_type_script_index_0_lang.BEd1At9B.js"></script> <div class="bd-code-snippet"> <div class="bd-clipboard"> <button type="button" class="btn-clipboard"> <svg class="bi" role="img" aria-label="Copy"> <use xlink:href="#clipboard"></use> </svg> </button> </div> <div class="highlight"> <pre class="language-js"><code is:raw class="language-js"><span class="token keyword">const</span> alertList <span class="token operator">=</span> document<span class="token punctuation">.</span><span class="token function">querySelectorAll</span><span class="token punctuation">(</span><span class="token string">&#39;.alert&#39;</span><span class="token punctuation">)</span>
<span class="token keyword">const</span> alerts <span class="token operator">=</span> <span class="token punctuation">[</span><span class="token operator">...</span>alertList<span class="token punctuation">]</span><span class="token punctuation">.</span><span class="token function">map</span><span class="token punctuation">(</span><span class="token parameter">element</span> <span class="token operator">=&gt;</span> <span class="token keyword">new</span> <span class="token class-name">bootstrap<span class="token punctuation">.</span>Alert</span><span class="token punctuation">(</span>element<span class="token punctuation">)</span><span class="token punctuation">)</span>
</code></pre> </div> </div>
<div class="bd-callout bd-callout-info"> <p>For the sole purpose of dismissing an alert, it isn&#39;t necessary to initialize the component manually via the JS API. By making use of <code>data-bs-dismiss=&quot;alert&quot;</code>, the component will be initialized automatically and properly dismissed.</p><p>See the <a href="#triggers">triggers</a> section for more details.</p> </div>
<h3 id="triggers">Triggers<a class="anchor-link" href="#triggers"> </a></h3>
<p>
Dismissal can be achieved with the <code>data-bs-dismiss</code> attribute on a button <strong>within the alert</strong> as demonstrated below:
</p> <div class="bd-code-snippet"> <div class="bd-clipboard"> <button type="button" class="btn-clipboard"> <svg class="bi" role="img" aria-label="Copy"> <use xlink:href="#clipboard"></use> </svg> </button> </div> <div class="highlight"> <pre class="language-html"><code class="language-html"><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>button</span> <span class="token attr-name">type</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>button<span class="token punctuation">"</span></span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>btn-close<span class="token punctuation">"</span></span> <span class="token attr-name">data-bs-dismiss</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>alert<span class="token punctuation">"</span></span> <span class="token attr-name">aria-label</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>Close<span class="token punctuation">"</span></span><span class="token punctuation">></span></span><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>button</span><span class="token punctuation">></span></span></code></pre> </div> </div> <p>
or on a button <strong>outside the alert</strong> using the additional <code>data-bs-target</code> as demonstrated below:
</p> <div class="bd-code-snippet"> <div class="bd-clipboard"> <button type="button" class="btn-clipboard"> <svg class="bi" role="img" aria-label="Copy"> <use xlink:href="#clipboard"></use> </svg> </button> </div> <div class="highlight"> <pre class="language-html"><code class="language-html"><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>button</span> <span class="token attr-name">type</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>button<span class="token punctuation">"</span></span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>btn-close<span class="token punctuation">"</span></span> <span class="token attr-name">data-bs-dismiss</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>alert<span class="token punctuation">"</span></span> <span class="token attr-name">data-bs-target</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>#my-alert<span class="token punctuation">"</span></span> <span class="token attr-name">aria-label</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>Close<span class="token punctuation">"</span></span><span class="token punctuation">></span></span><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>button</span><span class="token punctuation">></span></span></code></pre> </div> </div>
<p><strong>Note that closing an alert will remove it from the DOM.</strong></p>
<h3 id="methods">Methods<a class="anchor-link" href="#methods"> </a></h3>
<p>You can create an alert instance with the alert constructor, for example:</p>
<div class="bd-code-snippet"> <div class="bd-clipboard"> <button type="button" class="btn-clipboard"> <svg class="bi" role="img" aria-label="Copy"> <use xlink:href="#clipboard"></use> </svg> </button> </div> <div class="highlight"> <pre class="language-js"><code is:raw class="language-js"><span class="token keyword">const</span> bsAlert <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">bootstrap<span class="token punctuation">.</span>Alert</span><span class="token punctuation">(</span><span class="token string">&#39;#myAlert&#39;</span><span class="token punctuation">)</span>
</code></pre> </div> </div>
<p>This makes an alert listen for click events on descendant elements which have the <code>data-bs-dismiss=&quot;alert&quot;</code> attribute. (Not necessary when using the data-api’s auto-initialization.)</p>
<div class="table-responsive">
<table class="table"><thead><tr><th>Method</th><th>Description</th></tr></thead><tbody><tr><td><code>close</code></td><td>Closes an alert by removing it from the DOM. If the <code>.fade</code> and <code>.show</code> classes are present on the element, the alert will fade out before it is removed.</td></tr><tr><td><code>dispose</code></td><td>Destroys an element&#39;s alert. (Removes stored data on the DOM element)</td></tr><tr><td><code>getInstance</code></td><td>Static method which allows you to get the alert instance associated to a DOM element. For example: <code>bootstrap.Alert.getInstance(alert)</code>.</td></tr><tr><td><code>getOrCreateInstance</code></td><td>Static method which returns an alert instance associated to a DOM element or create a new one in case it wasn&#39;t initialized. You can use it like this: <code>bootstrap.Alert.getOrCreateInstance(element)</code>.</td></tr></tbody></table> </div>
<p>Basic usage:</p>
<div class="bd-code-snippet"> <div class="bd-clipboard"> <button type="button" class="btn-clipboard"> <svg class="bi" role="img" aria-label="Copy"> <use xlink:href="#clipboard"></use> </svg> </button> </div> <div class="highlight"> <pre class="language-js"><code is:raw class="language-js"><span class="token keyword">const</span> alert <span class="token operator">=</span> bootstrap<span class="token punctuation">.</span>Alert<span class="token punctuation">.</span><span class="token function">getOrCreateInstance</span><span class="token punctuation">(</span><span class="token string">&#39;#myAlert&#39;</span><span class="token punctuation">)</span>
alert<span class="token punctuation">.</span><span class="token function">close</span><span class="token punctuation">(</span><span class="token punctuation">)</span>
</code></pre> </div> </div>
<h3 id="events">Events<a class="anchor-link" href="#events"> </a></h3>
<p>Bootstrap&#39;s alert plugin exposes a few events for hooking into alert functionality.</p>
<div class="table-responsive">
<table class="table"><thead><tr><th>Event</th><th>Description</th></tr></thead><tbody><tr><td><code>close.bs.alert</code></td><td>Fires immediately when the <code>close</code> instance method is called.</td></tr><tr><td><code>closed.bs.alert</code></td><td>Fired when the alert has been closed and CSS transitions have completed.</td></tr></tbody></table> </div>
<div class="bd-code-snippet"> <div class="bd-clipboard"> <button type="button" class="btn-clipboard"> <svg class="bi" role="img" aria-label="Copy"> <use xlink:href="#clipboard"></use> </svg> </button> </div> <div class="highlight"> <pre class="language-js"><code is:raw class="language-js"><span class="token keyword">const</span> myAlert <span class="token operator">=</span> document<span class="token punctuation">.</span><span class="token function">getElementById</span><span class="token punctuation">(</span><span class="token string">&#39;myAlert&#39;</span><span class="token punctuation">)</span>
myAlert<span class="token punctuation">.</span><span class="token function">addEventListener</span><span class="token punctuation">(</span><span class="token string">&#39;closed.bs.alert&#39;</span><span class="token punctuation">,</span> <span class="token parameter">event</span> <span class="token operator">=&gt;</span> <span class="token punctuation">{</span>
<span class="token comment">// do something, for instance, explicitly move focus to the most appropriate element,</span>
<span class="token comment">// so it doesn&#39;t get lost/reset to the start of the page</span>
<span class="token comment">// document.getElementById(&#39;...&#39;).focus()</span>
<span class="token punctuation">}</span><span class="token punctuation">)</span>
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