Great CSS Cheatsheet.
Once you start designing web pages using CSS, you'll probably want to go hunting for a good reference sheet to keep all those technical details handy. (For example, how do I add extra margin to the left of my placed graphic?).
We'll save you the time. Don't let the website name fool you. Dave Child has created one of the more handy CSS reference guides on his I Love Jack Daniel's website.
I Love Jack Daniel's: CSS Cheat Sheet
This tool will not be much good as a learning tool for using CSS. But once you start down the road of creating web pages with cascading style sheets, it proves to be an invaluable reference guide.