Ronin Artist Design Studio (help)

[Mssj.Vegeta 2]

I've noticed when i display my site on mac or firefox theres a box at the bottom of the pages. I think it has somethiong to do with the div tags but i'm not sure. Does anyone know how to fix that?

http://roninartist.awardspace.com (http://roninartist.awardspace.com/)

Thanks.:)