bluesmoon/pngtocss — pull request #7 by spizder (2013-03-08 00:36:23+00:00)
Title: Fixing broken (unprefixed) CSS syntax

As of 2013, unprefixed syntax is standardized, and the only vendor
prefix still worth using is -webkit- (thanks to all these jailbroken
iPhones and old Android devices still around).
By 2014, it should be removed.