CSS and compatibility

Due to a problem I've been having with the way Mozilla displays my website, I've been searching through websites on CSS and compatibility issues.

...No, Internet Explorer did not handle it properly
http://www.howtocreate.co.uk/wrongWithIE
Warning: heated rants within. This is an article on the way in which IE refuses to hadnly certain problems with HTML and other scripts properly, with workarounds for each of them. In case you didn't pick up on it from the title, I wouldn't suggest viewing it using IE--it doesn't really display properly.

Mozilla Style Properties
http://www.xulplanet.com/references/elemref/ref_StyleProperties.html
A list of custom style properties that Mozilla supports, with descriptions.

Browser cookies & dynamic stylesheets
http://www.rit.edu/~jhb4598/jblog/archives/000286.php3
A description of how one guy used javascript and cookies to randomly rotate the stylesheets (and thus his layout) on his blog.

Explorer Exposed!
http://www.positioniseverything.net/explorer.html
Demonstrations of wierd things IE does with certain bits of code. I haven't looked at all of these yet since I haven't had a chance to close Mozilla yet.