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There's a newer version of Bootstrap!
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Discover what’s included in Bootstrap, including our precompiled and source code flavors.

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Precompiled Bootstrap

Once downloaded, unzip the compressed folder and you’ll see something like this:

bootstrap/
โ”œโ”€โ”€ css/
โ”‚   โ”œโ”€โ”€ bootstrap-grid.css
โ”‚   โ”œโ”€โ”€ bootstrap-grid.css.map
โ”‚   โ”œโ”€โ”€ bootstrap-grid.min.css
โ”‚   โ”œโ”€โ”€ bootstrap-grid.min.css.map
โ”‚   โ”œโ”€โ”€ bootstrap-grid.rtl.css
โ”‚   โ”œโ”€โ”€ bootstrap-grid.rtl.css.map
โ”‚   โ”œโ”€โ”€ bootstrap-grid.rtl.min.css
โ”‚   โ”œโ”€โ”€ bootstrap-grid.rtl.min.css.map
โ”‚   โ”œโ”€โ”€ bootstrap-reboot.css
โ”‚   โ”œโ”€โ”€ bootstrap-reboot.css.map
โ”‚   โ”œโ”€โ”€ bootstrap-reboot.min.css
โ”‚   โ”œโ”€โ”€ bootstrap-reboot.min.css.map
โ”‚   โ”œโ”€โ”€ bootstrap-reboot.rtl.css
โ”‚   โ”œโ”€โ”€ bootstrap-reboot.rtl.css.map
โ”‚   โ”œโ”€โ”€ bootstrap-reboot.rtl.min.css
โ”‚   โ”œโ”€โ”€ bootstrap-reboot.rtl.min.css.map
โ”‚   โ”œโ”€โ”€ bootstrap-utilities.css
โ”‚   โ”œโ”€โ”€ bootstrap-utilities.css.map
โ”‚   โ”œโ”€โ”€ bootstrap-utilities.min.css
โ”‚   โ”œโ”€โ”€ bootstrap-utilities.min.css.map
โ”‚   โ”œโ”€โ”€ bootstrap-utilities.rtl.css
โ”‚   โ”œโ”€โ”€ bootstrap-utilities.rtl.css.map
โ”‚   โ”œโ”€โ”€ bootstrap-utilities.rtl.min.css
โ”‚   โ”œโ”€โ”€ bootstrap-utilities.rtl.min.css.map
โ”‚   โ”œโ”€โ”€ bootstrap.css
โ”‚   โ”œโ”€โ”€ bootstrap.css.map
โ”‚   โ”œโ”€โ”€ bootstrap.min.css
โ”‚   โ”œโ”€โ”€ bootstrap.min.css.map
โ”‚   โ”œโ”€โ”€ bootstrap.rtl.css
โ”‚   โ”œโ”€โ”€ bootstrap.rtl.css.map
โ”‚   โ”œโ”€โ”€ bootstrap.rtl.min.css
โ”‚   โ””โ”€โ”€ bootstrap.rtl.min.css.map
โ””โ”€โ”€ js/
    โ”œโ”€โ”€ bootstrap.bundle.js
    โ”œโ”€โ”€ bootstrap.bundle.js.map
    โ”œโ”€โ”€ bootstrap.bundle.min.js
    โ”œโ”€โ”€ bootstrap.bundle.min.js.map
    โ”œโ”€โ”€ bootstrap.esm.js
    โ”œโ”€โ”€ bootstrap.esm.js.map
    โ”œโ”€โ”€ bootstrap.esm.min.js
    โ”œโ”€โ”€ bootstrap.esm.min.js.map
    โ”œโ”€โ”€ bootstrap.js
    โ”œโ”€โ”€ bootstrap.js.map
    โ”œโ”€โ”€ bootstrap.min.js
    โ””โ”€โ”€ bootstrap.min.js.map

This is the most basic form of Bootstrap: precompiled files for quick drop-in usage in nearly any web project. 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.

CSS files

Bootstrap includes a handful of options for including some or all of our compiled CSS.

CSS files Layout Content Components Utilities
bootstrap.css
bootstrap.rtl.css
bootstrap.min.css
bootstrap.rtl.min.css
 Included Included Included Included
bootstrap-grid.css
bootstrap-grid.rtl.css
bootstrap-grid.min.css
bootstrap-grid.rtl.min.css
 Only grid system — — Only flex utilities
bootstrap-utilities.css
bootstrap-utilities.rtl.css
bootstrap-utilities.min.css
bootstrap-utilities.rtl.min.css
 — — — Included
bootstrap-reboot.css
bootstrap-reboot.rtl.css
bootstrap-reboot.min.css
bootstrap-reboot.rtl.min.css
 — Only Reboot — —

JS files

Similarly, we have options for including some or all of our compiled JavaScript.

JS files Popper
bootstrap.bundle.js
bootstrap.bundle.min.js
 Included
bootstrap.js
bootstrap.min.js
 —

Bootstrap source code

The Bootstrap source code download includes the precompiled CSS and JavaScript assets, along with source Sass, JavaScript, and documentation. More specifically, it includes the following and more:

bootstrap/
โ”œโ”€โ”€ dist/
โ”‚   โ”œโ”€โ”€ css/
โ”‚   โ””โ”€โ”€ js/
โ”œโ”€โ”€ site/
โ”‚   โ””โ”€โ”€content/
โ”‚      โ””โ”€โ”€ docs/
โ”‚          โ””โ”€โ”€ 5.0/
โ”‚              โ””โ”€โ”€ examples/
โ”œโ”€โ”€ js/
โ””โ”€โ”€ scss/

The scss/ and js/ are the source code for our CSS and JavaScript. The dist/ folder includes everything listed in the precompiled download section above. The site/docs/ folder includes the source code for our documentation, and examples/ of Bootstrap usage. Beyond that, any other included file provides support for packages, license information, and development.