Mozilla Firefox
Disable DNS-over-HTTPS
network.trr.mode
Fullscreen Fade
full-screen-api.transition-duration.
Fullscreen Notification
full-screen-api.warning.timeout
Disable DNS-over-HTTPS
network.trr.mode
Fullscreen Fade
full-screen-api.transition-duration.
Fullscreen Notification
full-screen-api.warning.timeout