Bootstrap Xtra extends Bootstrap from TwitterBootstrap 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
