full screen

I would like a way to view Youtube videos in full screen mode in a new space/desktop while in Firefox, like how Chrome and Safari do. That way I can just hover my mouse at the top and see the menu bar to check the time, battery, etc. while still viewing the video in full screen. Does anyone...

I really like the new ability to set two full screen apps in the OS X El Capitan. But I still have a complain. I don't like the "esc to escape full screen mode" function. As I work with Excel I press esc really often, and many times I hit the key twice in a row leaving the full screen mode. This...