a collection of responsive web designs

Less Framework is a cross-device CSS grid system based on using inline media queries.

"My point is that responsive web design isn’t something that can be tacked on to the end of an existing workflow. It requires a different mindset, one that considers the medium from the outset. If you’re currently thinking in proportions rather than pixels, the transition to responsive web design will be relatively painless." from Adactio.

A pragmatic look at creating an accessible and inclusive mobile experience.