Hmmm, very interesting indeed. It worked for me in Firebug…
Before
After
What’s got me… is the location, and name, of your css file. Here is the link given to me in Firebug:
http://fastforwardandrewind.com/wp-content/w3tc/min/2e696a60.64248c.css
Is this encrypted or something? Shouldn’t it say something like style.css?