I dunno, it's been ages since I used a version of IE less than 6 and I stopped using IE at all about three weeks ago. But no, Explorer is the only browser I know of that changes the colours of the bars.

I'd recommend you test your style sheets in several browsers (Opera and Mozilla are probably the best choices) because different browsers handle CSS in insanely different ways. I'd *almost* say you don't even need to bother testing in Explorer, tho', 'cause if it works fine in Opera and Mozilla, it's a safe bet it'll work fine in Explorer.