On: CSS3 Flip Clock Look

Interesting bit of geekery you found. I was mucking in there my self to see how they did it. Seems like they swing through a bunch of images to make that effect: http://images.apple.com/itunes/10-billion-app-countdown/imag...

Ah! That explains why I was seeing "top" values in the -1000 to -2000 range.

Animation by sliding a long narrow image in discrete steps. They have reinvented the motion picture projector.