CSS border like effect

[sizzler]

I am trying to make a border effect like in the following mentioned site
http://listen.grooveshark.com/ (look at the line just above the play/rewind/forward button...)
I guess its purely out of CSS, I am trying hard to get that effect, can someone help me please?

Please find the attachment for reference...

[Nile]

Check out this link on pixel popping techniques: http://www.tutorial9.net/tutorials/photoshop-tutorials/5-pixel-popping-techniques/