necolas/normalize.css — pull request #263 by alexlopezarroyave (2013-12-09 20:41:02+00:00)
Title: Set opacity to `1` for Mozilla Firefox 19+

Base on this https://bugzilla.mozilla.org/show_bug.cgi?id=556145 mozilla firefox change the placeholder color to a color with opacity, that way when you try to add a different color to a placeholder you never get the correct placeholder color.