Six months ago we open-sourced Twitter Bootstrap, an extensive front-end toolkit for developing web sites and applications. Woohoo! Twitter Bootstrap, an open-sourced CSS/HTML framework from myself and @fat, just went live: dev.twitter.com/blog/bootstrap… #kaboom— Mark Otto (@mdo) August 19, 2011 Since then, Bootstrap has grown to be one of the most popular projects on GitHub, the largest open sou