CSS Preprocessor
CSS validation and advanced preprocessor with nesting and variables
CSS Preprocessor is a parser, compiler, and assembler which extends the CSS language to allow nested rules and attributes, variables / @mixin, functions, and especially, strong validation of your source code so you know that it will work the first time you use it in your browser. The library is written in C++ allowing any other C++ project to work with CSS without having to rewrite their own parser. The library supports 4 output levels from ultra compressed CSS code to beautified CSS code...