Forum Moderators: not2easy
If you want an all in one place page then [positioniseverything.net...] has everything listed with ways around them all. I've never found a better site at explaining the problems and fixing the problems.
I hope I'm allowed to post the link for this one?
what are the common problems of CSS(1 and 2) found in IE 6 & 7 and Firefox browser.
#1: Understanding Quirks Mode and Standards Compliance Mode, and what doctype has to do with that [webmasterworld.com].
NEXT!