Blueprint is a CSS framework, which aims to cut down on your CSS development time. It gives you a solid CSS foundation to build your project on top of, with an easy-to-use grid, sensible typography, and even a stylesheet for printing.
The library requires PHP 4 compiled with GD 1 or 2 (Image Generation) and FreeType text support. It should work fine with Linux, Mac OS X or Windows based systems although you will need to change the default temporary file storage directory specified when