Originally Posted by jayeff

Unfortunately, since your (X)HTML isn't valid, the CSS validator at http://validator.w3.org/ won't run. You have a bunch of problems: another I spotted was that you have closed an H2 with plain 2, which of course doesn't close it at all... there are several other open tags.

I suspect that if you clean up your code, now that you have fixed the body/font reference, your problem will go away. Even if not, right now it would be hard to pinpoint the specific cause. I don't believe some IE/FF incompatibility is causing it.