Home Page Login graphic Moved Help

Hi i was adding to my site when i noticed on my home page the login and regestry have moved if you just click on my link and see my homepage you will see what i mean. How would i move this or move the back ground behind it. what files should i be looking in to fix my problem please look my home page see what i mean. http://pplbid.com

help please and thanks

Beginning Developers

Beginning Developers

This space is for newcomers, who wish to build a new plugin or to customize an existing one to their liking