CSS3学习站点，持续更新~

平时自己常去的学习css3的站点，推荐一下：

W3schools - http://www.w3schools.com/css/

CSS Basics - http://www.cssbasics.com/

Tizag - http://www.tizag.com/cssT/

html.net - http://www.html.net/tutorials/css/

CSS Dog - http://cssdog.com/
HTML Dog - http://www.htmldog.com/
Webdesign From Scratch - http://www.webdesignfromscratch.com/html-css/css/
MaxDesign - http://css.maxdesign.com.au/
University of Texas - http://www.utexas.edu/learn/css/
CSS Beauty - http://www.cssbeauty.com/
Little CSS Stuff Newcomers Get Confused About - http://css-tricks.com/13317-little-css-stuff-newcomers-get-confused-about/
Books:

Sitepoint - http://www.sitepoint.com/books/cssant4/
Reference guide:

Sitepoint - http://reference.sitepoint.com/css
More references:

noupe - http://www.noupe.com/design/40-css-reference-websites-and-resources.html