What worked for me was: On CompizConfig>Utility>Workarounds
Disable the first option(Legacy Fullscreen support) -- Window decoration disappears with firefox https://bugs.launchpad.net/bugs/220443 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
