Firstly thanks you for your application.
Here is my problem: When opening the fullscreen mode in Firefox on Android in order to look a video (YouTube or else), there is an insert which comes to give us explanation to permit us to leave the full screen mode. This window is big and stay too long in front of the video.
Is that possible to reduce that insert or at minima permit to slide the insert out of the screen with the finger .
That should be great to enjoy watching video on Firefox.
Thanks for reading.