Full screen mode for 2D browsing

[javifernandez]

Is your feature request related to a problem? Please describe.
there needs to be a way to hide the address bar and all the menu options. It would make my experience so much better please.

Describe the solution you'd like
An option to just see the screen to get immersed would be so nice.

Describe alternatives you've considered
A clear and concise description of any alternative solutions or features you've considered.

Additional context
Add any other context or screenshots about the feature request here.