StyleMaster for Mac

From Western Civilisation:

Style sheet editor refines and enhances its already powerful, intuitive support for editing CSS1 and CSS2 style sheets. Style Master 1.8 provides a comprehensive style sheets development solution for CSS1 and CSSP. Style Master Pro takes the solution to the next level with added support for CSS2, the complete style sheets standard. Style Master features integrated CSS advice to smooth the learning curve for new style sheets developers, and save experienced developers trips to their reference material. Style Master comes with an acclaimed CSS1 and CSS2 guide, completely revised for this version, and a valuable hands-on CSS tutorial.