csswizardry/inuit.css — pull request #227 by Jaybuz (2013-07-02 10:42:15+00:00)
Title: Added sprite placeholder for cleaner extending

I wanted to extend the sprite class for use with a pseudo CSS element but was finding it was polluting the main .sprite class. Using a placeholder fixes this issue (see: http://8gramgorilla.com/mastering-sass-extends-and-placeholders/).