Rearranging is quite fine, it's crossfade and zoom that is very jerky on my notebook. I suspect it could be something about transparencies. Firefox has long t

Rearranging is quite fine, it's crossfade and zoom that is very jerky on my notebook. I suspect it could be something about transparencies. Firefox has long tradition of slowdowns when dealing with alpha-channel transparency, especially when compositing multiple transparent layers (also this demo uses "text-shadow" CSS property which puts additional load on renderer).