Create an L-shaped border with round corners using HTML and CSS

Question

Here is the picture of the desired solution (note round corners):

Here is what I have so far:

http://jsfiddle.net/cBwh8/1/

http://jsfiddle.net/cBwh8/2/

http://jsfiddle.net/cBwh8/3/

Answer 1

I don't think I'd ever approach a problem like this with just markup and no images, but since you asked:

http://jsfiddle.net/dcePR/