http://animeguru.net/index.php It is messed up with size of the container and stuff like that. someone suggested: It automatically see the size, you got to keep it static what code do i add to the css or whatever to make it static?
Try checking out commands like float: right and width: auto for the sidebar. Or simply making the body auto pixelated. When I view your page the main content seems to be overwritten by the green background color. Perhaps you need to look at z-index - but it shouldn't muck up like that.