I can't think of an easy way to do this with CSS. You would have to use CSS2 and use direct X,Y positioning for all the elements... a real pain.
I think this is much easier accomplished using PhotoShop or Fireworks, but you will end up with a graphic.
Here is a simple example in Fireworks..
http://wonders.eburg.wednet.edu/Wond...es/CurText.htm