Ok, the problem seems to be an profile or addon issue, because I now created a new profile, and there the background is as it should be.
It can be closed, still thanks for the help. -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to firefox in Ubuntu. https://bugs.launchpad.net/bugs/1088248 Title: Popovers in firefox have a black background Status in Gala Window Manager: Invalid Status in “firefox” package in Ubuntu: New Bug description: Hi, I'm not really sure, if this is a gala, mutter or gtk theme bug, but the background of the popovers in firefox is black. I attached an screenshot. To manage notifications about this bug go to: https://bugs.launchpad.net/gala/+bug/1088248/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
