leemunroe/css3-loading-bar — pull request #3 by RadLikeWhoa (2012-12-12 18:03:31+00:00)
Title: Optimised keyframes by removing unnecessary steps

The animation starts at background-position (0, 0), which is the default styling anyways, so there is no need to include this step.

See: http://lea.verou.me/2012/12/animations-with-one-keyframe/