disable title bar f
as you can see the only reason that made me don't use Firefox anymore on my Mac is this I couldn't find a solution for when I in fullscreen mode title bar show like this
Kufanele ulogele ukungena ku-akhawunti yakho ukuze uphendule amaphosti. Uyacelwauqale umbuzo omusha, uma ungekabi nayo i-akhawunti namanje.