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BOOTSTRAP

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 * Docs
 * Examples
 * Icons
 * Themes
 * Blog

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 * GitHub GitHub
 * Twitter Twitter
 * Open Collective Open Collective

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 * BootstrapBootstrap  v5.3 (switch to other versions)
   
   * V5 RELEASES
   
   * Latest (5.3.x)
   * v5.2.3
   * v5.1.3
   * v5.0.2
   
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   * PREVIOUS RELEASES
   
   * v4.6.x
   * v3.4.1
   * v2.3.2
   
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   * All versions

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 * Toggle theme
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   * Auto

Get Security Updates for Bootstrap 3 & 4


BUILD FAST, RESPONSIVE SITES WITH BOOTSTRAP

Powerful, extensible, and feature-packed frontend toolkit. Build and customize
with Sass, utilize prebuilt grid system and components, and bring projects to
life with powerful JavaScript plugins.

npm i bootstrap@5.3.3

Read the docs

Currently v5.3.3 · Download · All releases

Squarespace tools make it easy to create a beautiful and unique website. ads via
Carbon



GET STARTED ANY WAY YOU WANT

Jump right into building with Bootstrap—use the CDN, install it via package
manager, or download the source code.

Read installation docs


INSTALL VIA PACKAGE MANAGER

Install Bootstrap’s source Sass and JavaScript files via npm, RubyGems,
Composer, or Meteor. Package managed installs don’t include documentation or our
full build scripts. You can also use any demo from our Examples repo to quickly
jumpstart Bootstrap projects.

npm install bootstrap@5.3.3

gem install bootstrap -v 5.3.3

Read our installation docs for more info and additional package managers.


INCLUDE VIA CDN

When you only need to include Bootstrap’s compiled CSS or JS, you can use
jsDelivr. See it in action with our simple quick start, or browse the examples
to jumpstart your next project. You can also choose to include Popper and our JS
separately.

<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-QWTKZyjpPEjISv5WaRU9OFeRpok6YctnYmDr5pNlyT2bRjXh0JMhjY6hW+ALEwIH" crossorigin="anonymous">

<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/js/bootstrap.bundle.min.js" integrity="sha384-YvpcrYf0tY3lHB60NNkmXc5s9fDVZLESaAA55NDzOxhy9GkcIdslK1eN7N6jIeHz" crossorigin="anonymous"></script>

READ OUR GETTING STARTED GUIDES

Get a jump on including Bootstrap's source files in a new project with our
official guides.

Webpack Parcel Vite


CUSTOMIZE EVERYTHING WITH SASS

Bootstrap utilizes Sass for a modular and customizable architecture. Import only
the components you need, enable global options like gradients and shadows, and
write your own CSS with our variables, maps, functions, and mixins.

Learn more about customizing


INCLUDE ALL OF BOOTSTRAP’S SASS

Import one stylesheet and you're off to the races with every feature of our CSS.

// Variable overrides first
$primary: #900;
$enable-shadows: true;
$prefix: "mo-";

// Then import Bootstrap
@import "../node_modules/bootstrap/scss/bootstrap";


Learn more about our global Sass options.


INCLUDE WHAT YOU NEED

The easiest way to customize Bootstrap—include only the CSS you need.

// Functions first
@import "../node_modules/bootstrap/scss/functions";

// Variable overrides second
$primary: #900;
$enable-shadows: true;
$prefix: "mo-";

// Required Bootstrap imports
@import "../node_modules/bootstrap/scss/variables";
@import "../node_modules/bootstrap/scss/variables-dark";
@import "../node_modules/bootstrap/scss/maps";
@import "../node_modules/bootstrap/scss/mixins";
@import "../node_modules/bootstrap/scss/root";

// Optional components
@import "../node_modules/bootstrap/scss/utilities";
@import "../node_modules/bootstrap/scss/reboot";
@import "../node_modules/bootstrap/scss/containers";
@import "../node_modules/bootstrap/scss/grid";
@import "../node_modules/bootstrap/scss/helpers";
@import "../node_modules/bootstrap/scss/utilities/api";


Learn more about using Bootstrap with Sass.


BUILD AND EXTEND IN REAL-TIME WITH CSS VARIABLES

Bootstrap 5 is evolving with each release to better utilize CSS variables for
global theme styles, individual components, and even utilities. We provide
dozens of variables for colors, font styles, and more at a :root level for use
anywhere. On components and utilities, CSS variables are scoped to the relevant
class and can easily be modified.

Learn more about CSS variables


USING CSS VARIABLES

Use any of our global :root variables to write new styles. CSS variables use the
var(--bs-variableName) syntax and can be inherited by children elements.

.component {
  color: var(--bs-gray-800);
  background-color: var(--bs-gray-100);
  border: 1px solid var(--bs-gray-200);
  border-radius: .25rem;
}

.component-header {
  color: var(--bs-purple);
}


CUSTOMIZING VIA CSS VARIABLES

Override global, component, or utility class variables to customize Bootstrap
just how you like. No need to redeclare each rule, just a new variable value.

body {
  --bs-body-font-family: var(--bs-font-monospace);
  --bs-body-line-height: 1.4;
  --bs-body-bg: var(--bs-gray-100);
}

.table {
  --bs-table-color: var(--bs-gray-600);
  --bs-table-bg: var(--bs-gray-100);
  --bs-table-border-color: transparent;
}


COMPONENTS, MEET THE UTILITY API

New in Bootstrap 5, our utilities are now generated by our Utility API. We built
it as a feature-packed Sass map that can be quickly and easily customized. It's
never been easier to add, remove, or modify any utility classes. Make utilities
responsive, add pseudo-class variants, and give them custom names.


QUICKLY CUSTOMIZE COMPONENTS

Apply any of our included utility classes to our components to customize their
appearance, like the navigation example below. There are hundreds of classes
available—from positioning and sizing to colors and effects. Mix them with CSS
variable overrides for even more control.

 * Home
 * Profile
 * Contact

 * Home
 * Profile
 * Contact

<ul class="nav nav-pills nav-fill gap-2 p-1 small bg-primary rounded-5 shadow-sm" id="pillNav2" role="tablist" style="--bs-nav-link-color: var(--bs-white); --bs-nav-pills-link-active-color: var(--bs-primary); --bs-nav-pills-link-active-bg: var(--bs-white);">
  <li class="nav-item" role="presentation">
    <button class="nav-link active rounded-5" id="home-tab2" data-bs-toggle="tab" type="button" role="tab" aria-selected="true">Home</button>
  </li>
  <li class="nav-item" role="presentation">
    <button class="nav-link rounded-5" id="profile-tab2" data-bs-toggle="tab" type="button" role="tab" aria-selected="false">Profile</button>
  </li>
  <li class="nav-item" role="presentation">
    <button class="nav-link rounded-5" id="contact-tab2" data-bs-toggle="tab" type="button" role="tab" aria-selected="false">Contact</button>
  </li>
</ul>


Explore customized components


CREATE AND EXTEND UTILITIES

Use Bootstrap's utility API to modify any of our included utilities or create
your own custom utilities for any project. Import Bootstrap first, then use Sass
map functions to modify, add, or remove utilities.

@import "bootstrap/scss/bootstrap";

$utilities: map-merge(
  $utilities,
  (
    "cursor": (
      property: cursor,
      class: cursor,
      responsive: true,
      values: auto pointer grab,
    )
  )
);


Explore the utility API


POWERFUL JAVASCRIPT PLUGINS WITHOUT JQUERY

Add toggleable hidden elements, modals and offcanvas menus, popovers and
tooltips, and so much more—all without jQuery. Bootstrap's JavaScript is
HTML-first, meaning most plugins are added with data attributes in your HTML.
Need more control? Include individual plugins programmatically.

Learn more about Bootstrap JavaScript


DATA ATTRIBUTE API

Why write more JavaScript when you can write HTML? Nearly all of Bootstrap's
JavaScript plugins feature a first-class data API, allowing you to use
JavaScript just by adding data attributes.

Dropdown
 * Dropdown item
 * Dropdown item
 * Dropdown item

<div class="dropdown">
  <button class="btn btn-primary dropdown-toggle" type="button" data-bs-toggle="dropdown" aria-expanded="false">
    Dropdown
  </button>
  <ul class="dropdown-menu">
    <li><button class="dropdown-item" type="button">Dropdown item</button></li>
    <li><button class="dropdown-item" type="button">Dropdown item</button></li>
    <li><button class="dropdown-item" type="button">Dropdown item</button></li>
  </ul>
</div>


Learn more about our JavaScript as modules and using the programmatic API.


COMPREHENSIVE SET OF PLUGINS

Bootstrap features a dozen plugins that you can drop into any project. Drop them
in all at once, or choose just the ones you need.

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ALERT

Show and hide alert messages to your users.

BUTTON

Programmatically control the active state for buttons.

CAROUSEL

Add slideshows to any page, including support for crossfade.

COLLAPSE

Expand and collapse areas of content, or create accordions.

DROPDOWN

Create menus of links, actions, forms, and more.

MODAL

Add flexible and responsive dialogs to your project.

OFFCANVAS

Build and toggle hidden sidebars into any page.

POPOVER

Create custom overlays. Built on Popper.

SCROLLSPY

Automatically update active nav links based on page scroll.

TAB

Allow Bootstrap nav components to toggle contents.

TOAST

Show and hide notifications to your visitors.

TOOLTIP

Replace browser tooltips with custom ones. Built on Popper.


PERSONALIZE IT WITH BOOTSTRAP ICONS

Bootstrap Icons is an open source SVG icon library featuring over 1,800 glyphs,
with more added every release. They're designed to work in any project, whether
you use Bootstrap itself or not. Use them as SVGs or icon fonts—both options
give you vector scaling and easy customization via CSS.

Get Bootstrap Icons




MAKE IT YOURS WITH OFFICIAL BOOTSTRAP THEMES

Take Bootstrap to the next level with premium themes from the official Bootstrap
Themes marketplace. Themes are built on Bootstrap as their own extended
frameworks, rich with new components and plugins, documentation, and powerful
build tools.

Browse Bootstrap Themes


Bootstrap Bootstrap
 * Designed and built with all the love in the world by the Bootstrap team with
   the help of our contributors.
 * Code licensed MIT, docs CC BY 3.0.
 * Currently v5.3.3.

LINKS

 * Home
 * Docs
 * Examples
 * Icons
 * Themes
 * Blog
 * Swag Store

GUIDES

 * Getting started
 * Starter template
 * Webpack
 * Parcel
 * Vite

PROJECTS

 * Bootstrap 5
 * Bootstrap 4
 * Icons
 * RFS
 * Examples repo

COMMUNITY

 * Issues
 * Discussions
 * Corporate sponsors
 * Open Collective
 * Stack Overflow