kovalchik/Archetype — Issue #92: Ah the progress bar
Author: kovalchik
Created: 2012-01-26 00:18:20+00:00
State: open

Really good article about these. There's a library of sorts to style older browsers as well. Kind of seems like you could accomplish some of that by using progress[progress="90%"] { something:here; }

At any rate.

http://www.useragentman.com/blog/2012/01/03/cross-browser-html5-progress-bars-in-depth/