Build responsive, mobile-first projects on the web with the world’s most popular front-end component library.
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<pclass="lead mb-4">
Bootstrap is an open source toolkit for developing with HTML, CSS, and JS. Quickly prototype your ideas or build your entire app with our Sass variables and mixins, responsive grid system, extensive prebuilt components, and powerful plugins built on jQuery.
<!-- Icon by Bytesize https://github.com/danklammer/bytesize-icons -->
{% include icons/import.svg width="32" height="32" class="text-primary mb-2" %}
<h3>Installation</h3>
<p>Include Bootstrap’s source Sass and JavaScript files via npm, Composer or Meteor. Package managed installs don’t include documentation, but do include our build system and readme.</p>