Pure CSS, should work in any browser supporting keyframe animations. Tested & works in Firefox 33, 36 Nightly, Chrome 38, 39, 41 Canary, Opera 26, IE 11 on Windows 8 + update: Safari 8 on OS X 10.10 Yosemite. Performance in full page view in Firefox is a really nice surprise.

Inspiration:

*From [Bees & Bombs](http://beesandbombs.tumblr.com/post/