Web pages not dissplaying properly In Firefox/Oprea

Hi can anyone give me some advice on a problem i come across with my wordpress blog theme.

The pages display properly in IE7 but text contines outside the bottom of the page when viewd using other browsers

the page in question is

http://www.newpokerbonuscodes.com/wordpress/

Any help most definatley apreciated

i have no idea it does the same thing in my firefox

The author(s) of the page are ****ty web designers, duh! You should contact the person responsible for the page and complain.

Just look at this: http://validator.w3.org/check?uri=http%3A%2F%2Fwww.newpokerbonuscodes.com%2Fwordpress%2F