Quote Originally Posted by Jessika View Post
http://www.w3schools.com/css/
is probably the best you'll find since they strive to stick with standards-compliant coding (coding that works cross-browser, or at least looks similar cross-browser versus coding "for IE" and also coding "for FF").

http://www.w3.org/Style/CSS/
is also a good resource (same people I believe but a different site)
Yep, those are probably the 2 best resources for learning CSS. I actually learned half my skills from the first link, it is pretty good.