First off all, I don’t like CSS frameworks unless you’ve created one for yourself as a starting point for projects. That being said, Less Framework 2 looks like it could be a good playground for playing around with and learning about CSS3 Media Queries.
Design Inspiration from the World's Best Designers
Learn why the best designers make the decisions they do to design successful websites people love in this FREE eBook with 3 in-depth case studies. I’ve spent hours studying what makes these websites amazing, so you can use what works and focus on your design work. Subscribe now to get it immediately.