HOWTO: Border-radius – create rounded corners with CSS3
From the site:
The CSS3 border-radius property allows web developers to easily utilise rounder corners in their design elements, without the need for corner images or the use of multiple div tags, and is perhaps one of the most talked about aspects of CSS3.
Since first being announced in 2005 the boder-radius property has come to enjoy widespread browser support (although with some discrepancies) and, with relative ease of use, web developers have been quick to make the most of this emerging technology.
Here’s a basic example …