LESS/Sass/CSS

See the following -

Solving User Experience Problems with PatternFly

Michael Dyrynda is a web developer at Hostworks, a freelance developer, and a blogger. He's working on his first open source project in Confomo with Matt Stauffer and podcasting the journey on briefs.fm. He also writes about web development and solving day-to-day problems with no readily available solutions. Michael's web development skills extend to front-end aspects of web development, including JavaScript, LESS/Sass/CSS, designing databases, as well as building applications that can scale. I connected with Michael on Twitter in late April after he tweeted that moving to PatternFly for an in-dev app was an "instant improvement"...