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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.
Quick start. Get started by including Bootstrap’s production-ready CSS and JavaScript via CDN without the need for any build steps. See it in practice with this Bootstrap CodePen demo. Create a new index.html file in your project root.
Get started with Bootstrap, the world’s most popular framework for building responsive, mobile-first sites, with jsDelivr and a template starter page.
Bootstrap 4 is a newer version of Bootstrap, which is the most popular HTML, CSS, and JavaScript framework for developing responsive, mobile-first websites. Bootstrap 4 is completely free to download and use! Start learning Bootstrap 4 now ».
Compiles and minifies CSS and JavaScript, builds the documentation website, runs the HTML5 validator against the docs, regenerates the Customizer assets, and more. Requires Jekyll. Usually only necessary if you're hacking on Bootstrap itself.
Start Bootstrap develops free to download, open source Bootstrap 5 themes, templates, and snippets and creates guides and tutorials to help you learn more about designing and developing with Bootstrap.
May 5, 2021 · We’ve implemented a brand new utility API into Bootstrap 5 as the primary way to extend Bootstrap’s default utility classes. Easily generate and customize utilities with support for custom class names, support for generating state-based classes like :hover , print versions, and more.
Jul 19, 2022 · Watch on. Bootstrap v5.2.0 is finally stable! We’ve ironed out more bugs, improved more documentation, written new guides and built out new functional environment examples, and so much more! Keep reading for highlights from both beta and stable releases.
Aug 4, 2021 · The first minor release of Bootstrap 5 is here! v5.1.0 has arrived and is packed with exciting new features and improvements. There’s experimental support for CSS Grid, offcanvas in the navbar, a new placeholders component, horizontal collapse support, new helpers, new CSS variables in our utilities, refactored JavaScript, and more.
Get started with Bootstrap, the world’s most popular framework for building responsive, mobile-first sites, with jsDelivr and a template starter page.
