on that page, it's easy! real easy.
you have the layout like this:
worked for me on Chrome dev tools, should work the same for MSIE and FF.
ofcourse you can use CSS as someone suggested, creating a
As people suggested here, you can go the
way, but unfortunately it doesn't work in MSIE, so you'll need to create a different stylesheet to make it work on IE, besides that, the margin way is working on an element who isn't 100% width, and for some reason it's not working on your website.
and a slight suggestion: DON'T EVER USE pixel.gif, it's a living hell to program after a person who used that, and in all honestly - it's a bad practise.