rounded edges on pop-up using css?

Does anyone know of a way, using CSS, to make a vertical pop-up menu with rounded edges on the popup menu?

I've searched all over, through hundreds of CSS tutorial sites and have found the rounded edges tutorials and the vertical pop-up tutorials, but can't find anything that marries the two...

Thanks!!

don't know, but here's another place to look....

http://www.smashingmagazine.com/2007...-live-without/