The problem is not with the background. The problem is that the menu becomes one huge line along the left side of the screen. My site is internal only right now because I'm hesitant to even launch it with the IE issues. I cannot understand why it looks find on the NOP templates site in IE, but when I download it and install it, it renders horribly wrong.
I will post back if I can get an image in here.
It wasn't answered in either post. Can someone please answer this question. The mega-menu is not rendering properly in Internet Explorer (IE) at all. I'm using NOP Commerce 3.5 with the Art Factory theme. It works great in Chrome, but IE is a wreck.