I'm working on a website for my dad, and it works nice in modern browsers, but apparently he's getting comments on how the top navigation doesn't work on Internet Explorer (7 and lower, I think). It shifts to the right instead of centering in the middle.
How do I fix this? Or, is there some sort of if/or conditional comment thing I can do that says:
IF IE... use this class for the div / OR (any other browser) use this other class