jshint/jshint — pull request #1899 by Rob--W (2014-10-11 22:22:48+00:00)
Title: Add CSS variable to browser

Documentation at
https://developer.mozilla.org/en-US/docs/Web/API/CSS

Specified at
http://dev.w3.org/csswg/css-conditional/#the-css-interface
http://dev.w3.org/csswg/cssom/#the-css.escape%28%29-method