) they also have a CSS (style sheets) reference, although this is a bit outdated (http://www.devguru.com/Technologies/...css_index.html
). At devguru (http://www.devguru.com
) they also have tutorials to learn about some of the common internet languages.
For a really good series of tutorials, http://www.dansteinman.com/dynduo/
although quite nerdy.
Hope this helps