mozilla/kuma — pull request #494 by darkwing (2012-08-07 20:31:09+00:00)
Title: fix bug 780295 - Prevent 404 image error

Didn't want to modify the source files provided by jQuery UI, but since CSS loads all background-images regardless, it's the only way.

https://bugzilla.mozilla.org/show_bug.cgi?id=780295