A CodePen by Aleks. Star Wars Storm Trooper in pure CSS - Approximately 3h of work. Might be a bit less.

Inspired by: http://dribbble.com/shots/1058020-May-The-4th-Be-With-You?list=users

Thanks to everyone who pointed out that this is a Storm Trooper and not a droid, but that's because this is not the droid you were looking for!