Build responsive projects on the web..

Bootstrap, the world's most popular front-end component library 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.

What is Responsive Web Design?

Responsive web design is about creating web sites which automatically adjust themselves to look good on all devices, from small phones to large desktops.

Bootstrap History

Originally created by a designer and a developer at Twitter, Bootstrap has become one of the most popular front-end frameworks and open source projects in the world.

Bootstrap was created at Twitter in mid-2010 by @mdo and @fat. Prior to being an open-sourced framework, Bootstrap was known as Twitter Blueprint. A few months into development, Twitter held its first Hack Week and the project exploded as developers of all skill levels jumped in without any external guidance. It served as the style guide for internal tools development at the company for over a year before its public release, and continues to do so today.

In June 2014 Bootstrap was the No.1 project on GitHub!

Advantages of Bootstrap

• Easy to use: Anybody with just basic knowledge of HTML and CSS can start using Bootstrap
• Responsive features: Bootstrap's responsive CSS adjusts to phones, tablets, and desktops
• Mobile-first approach: In Bootstrap 3, mobile-first styles are part of the core framework
• Browser compatibility: Bootstrap is compatible with all modern browsers (Chrome, Firefox, Internet Explorer, Safari, and Opera)