mootools/mootools-core — pull request #2386 by tristanlins (2012-07-24 07:30:21+00:00)
Title: Regard @media rules in css stylesheets.

The current Fx.CSS.search function does not work when `@media` rules are used inside of the css stylesheet.
You can see this behaviour here http://jsfiddle.net/k4YJU/
The css class morph will not work until you remove the `@media` block.

I changed the search logic recursively to regard `@media` rules, you can see it here: http://jsfiddle.net/MaysE/1/