Dealing with Firefox and Internet Explorer's Differences

Question

This question is because I just found out that my site is looking ok in IE7 and in IE8 with compatibility-mode, but in FF it is all screwed up.

What would be the bes

Answer 1

For the love of god (and your hairline) develop in FF/Webkit first and then make your tweaks to get it to work in the IE family.

When needed, I prefer hacks in the CSS doc (* html .foo) to conditional comments because the thought of putting MS specific markup into my HTML makes me queasy.