Full Screen Width with CSS

[cgeller100]

I am using divs to layout my page, one 20% and one 80% across. However, the 80% doesn't cover the whole screen and there are about 20pixels of whitespace on the right. How do I get the divs to cover the whole screen?

Thank You

[CODE]
#desc {width: 20%;float: left; margin-top: 0px; position: absolute; top: 0px; left: 0px; }
#headline {width: 80%; float: right; margin-left: 0px; margin-top: 0px;}
[CODE]

[alykins]

in CSS

* {margin:0px; padding:0px;}

to remove bowser settings

[cgeller100]

This gets rid of about half the whitespace on the right but there are still about 10 more pixels. Any other ideas? Thank You

[Ahlahn]

#headline {width: 80%; float: right; margin-left: 0px; margin-top: 0px; padding:0px;}