I am completely flabergasted and I can't for the life of my figure this out...

http://www.installationmastersusa.co...nstallers.html

IE6 & IE7 it's fine.
FF3 on PC I have some mystery black box appearing covering up the content? The CSS on the website is VERY basic, nothing crazy that could be causing this. I double checked my HTML and can't find anything either.

What could I be missing?

It's the overflow: auto you have on your container and your left and right columns. Remove it and the content appears. Clear your float with a clear:both on the footer instead.

This is one of those cases when the overflow:auto method does NOT work properly.

Thank you, LNR...But removing the overflow: auto from "maincontentwrapper" & "right" and adding clear:both to the "footer" throws everything off where it doesn't even look close to what it should. It throws the right column underneath the left column.

NOTE: I'm at work right now and have very limited access to things to fix this problem. I have no access to FF webmaster add-ons here, so it's hard for me to "see" things.

Ok...I think I got it...
I was missing a margin line with the width of the left column.