Is your feature request related to a problem? Please describe.
After installing Vimium when I press "f" when visiting Youtube it would also trigger the youtube shortcut which will make the video fullscreen. That is very annoying.

Describe the solution you'd like
It would be great if Vimium disables youtube shortcut for "f".

Describe alternatives you've considered
An alternative that will work for other websites too is that Vimium should include the feature which enables us to customize its shortcuts then I could map Vimium shortcut to another key.

Thank you, Hung