How to create a radial gradient around navigation?

Question

See the radial gradient flowing around the center of the navigation? Lets suppose

Answer 1

This is not a radial gradient. It seems to be a graphic.

As for CSS, Look her http://www.the-art-of-web.com/css/radial-gradients/ or in google. Theres plenty of resources out there

Here is a editor http://www.westciv.com/tools/radialgradients/index.html

Example