Learning CSS

Here is a short list of several sites I have found useful for learning the basics of CSS:

http://www.html.net/tutorials/css/introduction.asp

http://www.barelyfitz.com/screencast/html-training/css/positioning/

http://www.w3schools.com/css/css_intro.asp

http://www.cssbasics.com/

http://www.csszengarden.com/