xenforo "forums" gui messed up on click

[Michael Bernard]

So when i click forums it takes off the whole gui at the top, but any other things its fine, heres what it looks like,
http://gyazo.com/d612fb715a857a9c541c68612c1e8910
otherwise its fine, but I REALLY need this fixed, any suggestions

 

[Jake Bunce]

I have seen this before. I am not sure of the exact cause other than it being a problem with your custom style. Troubleshoot your custom style, or post your forum URL and I will take a look.