The original parent wasn't appealing since it was oriented towards being printed out and I'm prefer to just read on screen - I don't like bunches of paper lying around, I like wasting paper and I can copy and paste on-screen stuff.
Your link divides CSS into several odd subcategories but gives no general reference.
I only looked at the colors/fonts/seo section, and the quality there is abysmal. Web safe colors shouldn't really be a concern anymore. This was the real winner though: http://centricle.com/ref/css/filters/?highlight_columns=true CSS compliance for IE 4 on Mac OS 9 isn't pressing anymore.