Design better by understanding the original idea rather than just copying the pixels. · http://blog.mengto.com/dont-copy-steal/

A core tenet of Responsive Web Design (RWD) is fluidity and proportion. Instead of using fixed-width layouts, we enlightened web devs and designers use percentages in our CSS. Font units aren’t pixels or points anymore, they’re percentages (typically for top-level baseline reset) or, more often, ems. And yet the vast majority of us still write width-based media queries in pixels. · http://blog.cloudfour.com/the-ems-have-it-proportional-media-queries-ftw/