How do I add a shadow to an entire table using just CSS?

I would like to add a subtle shadow to make my table look raised.

Just using CSS, how do I do that?

table { box-shadow: 1px 1px 1px #999; }

More box-shadow examples here: http://www.css3.info/preview/box-shadow/

CSS3 has the box-shadow declaration. Check this article for more information.