PUBLIC MARKS from nhoizey with tags width & css

Switchy McLayout lets you define the dimensions, information richness, and appearance of your content objects for set ranges of screen sizes. A news site, for example, could have one layout and appearance for wide screens, one for medium-sized screens, and another for PDAs. Images could shrink or even disappear according to the screen size, columns could come and go as needed to maintain readability, and you can achieve a more efficient use of the available space for each screen size.

a dynamic resolution dependent layout implementation that I think provides a strong alternative for those trying to find a balance between fluid and fixed layouts