How to use only CSS to round my div tag area's corners?

Question

I use div tags to define areas within my web pages. I set all the obvious things like background, size, padding, etc. But it is all very square.

How can I use

Answer 1

-moz-border-radius will get you rounded corners in all versions of Firefox. More helpful info at the Sitepoint CSS Reference.

border-radius will get you rounded corners in Safari 3. More info on border-radius at the CSS 3 Spec.