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Get started with Bootstrap, the world’s most popular framework for building responsive, mobile-first sites, with jsDelivr and a template starter page.
Download. Download Bootstrap to get the compiled CSS and JavaScript, source code, or include it with your favorite package managers like npm, RubyGems, and more.
Use our powerful mobile-first flexbox grid to build layouts of all shapes and sizes thanks to a twelve column system, five default responsive tiers, Sass variables and mixins, and dozens of predefined classes.
Overview. Components and options for laying out your Bootstrap project, including wrapping containers, a powerful grid system, a flexible media object, and responsive utility classes.
They’re built as their own extended frameworks, rich with new components and plugins, documentation, and powerful build tools. Browse themes. Quickly get a project started with any of our examples ranging from using parts of the framework to custom components and layouts.
We provide compiled CSS and JS (bootstrap.*), as well as compiled and minified CSS and JS (bootstrap.min.*). Source maps ( bootstrap.*.map ) are available for use with certain browsers’ developer tools.
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.
Aug 19, 2011 · With Bootstrap 2, we added responsive functionality to the entire framework as an optional stylesheet. Building on that with Bootstrap 3, we rewrote the library once more to make it responsive by default with a mobile first approach.
Oct 28, 2021 · Bootstrap v4.6.1 has finally arrived! Biggest change here is a re-implementation of our Sass division functions and updates from v5, as well as some accessibility improvements and general bug fixes. Read on for the highlights or head to the v4.6.x docs to see the latest in action.
Jan 19, 2021 · Bootstrap v4.6.0 is here with a couple new features, several bugfixes, and some awesome documentation updates to make v4 more maintainable alongside our development of v5. Read on for the highlighted changes or head to the v4.6 docs to see the latest in action.
