Sleek, intuitive, and powerful front-end framework for faster and easier web development.
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Several quick start options are available:
git clone https://github.com/twbs/bootstrap.git
npm install bootstrap
yarn add [email protected]
composer require twbs/bootstrap:4.3.1
Read the Getting started page for information on the framework contents, templates and examples, and more.
Within the download you’ll find the following directories and files, logically grouping common assets and providing both compiled and minified variations. You’ll see something like this:
bootstrap/ └── dist/ ├── css/ │ ├── bootstrap-grid.css │ ├── bootstrap-grid.css.map │ ├── bootstrap-grid.min.css │ ├── bootstrap-grid.min.css.map │ ├── bootstrap-reboot.css │ ├── bootstrap-reboot.css.map │ ├── bootstrap-reboot.min.css │ ├── bootstrap-reboot.min.css.map │ ├── bootstrap.css │ ├── bootstrap.css.map │ ├── bootstrap.min.css │ └── bootstrap.min.css.map └── js/ ├── bootstrap.bundle.js ├── bootstrap.bundle.js.map ├── bootstrap.bundle.min.js ├── bootstrap.bundle.min.js.map ├── bootstrap.js ├── bootstrap.js.map ├── bootstrap.min.js └── bootstrap.min.js.map
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. Bundled JS files (
bootstrap.bundle.js and minified
bootstrap.bundle.min.js) include Popper, but not jQuery.
Have a bug or a feature request? Please first read the issue guidelines and search for existing and closed issues. If your problem or idea is not addressed yet, please open a new issue.
Bootstrap’s documentation, included in this repo in the root directory, is built with Jekyll and publicly hosted on GitHub Pages at https://getbootstrap.com/. The docs may also be run locally.
Documentation search is powered by Algolia’s DocSearch. Working on our search? Be sure to set
debug: true in
npm installto install Node.js dependencies.
http://localhost:9001in your browser, and voilà.
Learn more about using Jekyll by reading its documentation.
Previous releases and their documentation are also available for download.
Please read through our contributing guidelines. Included are directions for opening issues, coding standards, and notes on development.
Editor preferences are available in the editor config for easy use in common text editors. Read more and download plugins at https://editorconfig.org/.
Get updates on Bootstrap’s development and chat with the project maintainers and community members.
irc.freenode.netserver, in the
bootstrapon packages which modify or add to the functionality of Bootstrap when distributing through npm or similar delivery mechanisms for maximum discoverability.
For transparency into our release cycle and in striving to maintain backward compatibility, Bootstrap is maintained under the Semantic Versioning guidelines. Sometimes we screw up, but we adhere to those rules whenever possible.
See the Releases section of our GitHub project for changelogs for each release version of Bootstrap. Release announcement posts on the official Bootstrap blog contain summaries of the most noteworthy changes made in each release.
Thanks to BrowserStack for providing the infrastructure that allows us to test in real browsers!
Thank you to all our backers! 🙏 [Become a backer]
Support this project by becoming a sponsor. Your logo will show up here with a link to your website. [Become a sponsor]
Code and documentation copyright 2011-2019 the Bootstrap Authors and Twitter, Inc. Code released under the MIT License. Docs released under Creative Commons.