This is really cool, but the performance doesen't seem totally smooth, and I am on a 6 month old quad core xeon. Do you know anything about the performance of these css animations compared to javascript?
This blows my mind. I'd love to put it on my homepage or something, but it really hurts your personal "brand" when over half the people who visit your site can't view it properly.
I feel this way about most of the tricks I see on HN, sadly.