Changes since 1.5.8: 6775c7a
[Buttons]
- (fix) squared button appearance > overflow button glitch
- (removed) bookmarks menu button > classic popup appearance for Fx 59 (not needed anymore)
[Tabs]
- (fix) tabs below navigation and bookmarks toolbar > hide in video fullscreen mode
[Toolbars]
- (fix) menubar in fullscreen mode > hide in video fullscreen mode
- (fix) bookmarks toolbar in fullscreen mode > hide in video fullscreen mode