Menu creation problem...

Hey guys,

I'm creating a clansite for a friend of mine, fully integrated into PunBB. I created a menu (with help of the Wiki), works fine, but I have a little problem:

Image that shows the problem
You can see a gap there between the Online list and the board info. I tried disabling the online list, but the gap stayed =/
Any idea on how to solve this?

-- Bekko