Bootstrap Xtra extends Bootstrap

Bootstrap is a toolkit from Twitter designed to kickstart development of webapps and sites.
It includes base CSS and HTML for typography, forms, buttons, tables, grids, navigation, and more.

Bootstrap Xtra inludes extra features that are not included in Bootstrap but may be useful for some people.
Xtra Features: Icon Buttons.

Nerd alert: Bootstrap is built with Less and was designed to work out of the gate with modern browsers in mind.

Hotlink the CSS

For the quickest and easiest start, just copy this snippet into your webpage.

<link rel="stylesheet" href="http://twitter.github.com/bootstrap/assets/css/bootstrap.min.css">

Use it with Less

A fan of using Less? No problem, just clone the repo and add these lines:

<link rel="stylesheet/less" href="/path/to/bootstrap.less"><script src="/path/to/less.js"></script>

Fork on GitHub

Bootstrap Xtra on GitHub »
Bootstrap on GitHub »

Currently v1.4.0

About Bootstrap Brief history, browser support, and more

History

Engineers at Twitter have historically used almost any library they were familiar with to meet front-end requirements. Bootstrap began as an answer to the challenges that presented. With the help of many awesome folks, Bootstrap has grown significantly.
Read more on dev.twitter.com ›

Browser support

Bootstrap is tested and supported in major modern browsers like Chrome, Safari, Internet Explorer, and Firefox.

• Latest Safari
• Latest Google Chrome
• Firefox 4+
• Internet Explorer 7+
• Opera 11

What's included

Bootstrap comes complete with compiled CSS, uncompiled, and example templates.

• Javascript plugins
• All original .less files
• Fully compiled and minified CSS
• Complete styleguide documentation
• Three example pages with different layouts

READ MORE >

courtesy:http://lightglitch.github.com/bootstrap-xtra/#less