Wrong RGBA Values

[jarc100]

Hi, there's an issue on the RGBA values on: https://github.com/rubentd/gifplayer/blob/master/css/gifplayer.css#L41-L44

Found this issue while importing your .css file into my Scss file. Here's some support on the issue: http://stackoverflow.com/questions/30325994/scss-error-on-rbga-256-color

By the way thanks for this awesome script.