FullScreen-FirefoxMac

Custom full screen

Dependency

Follow the instructions from https://pmueller.de/firefox-mac-mit-echtem-vollbild/
Rename userChrome.css to userChromeFullScreen.css
At the end you should have the file /profile-folder/chrome/userChromeFullScreen.css

Customisation

If you have the Bookmarks Toolbar enabled change line 15 in userChromeFullScreen.css.

No Bookmarks Toolbar:

margin-top: calc(-40px - var(--tab-min-height));

With Bookmarks Toolbar enabled:

margin-top: calc(-68px - var(--tab-min-height));

Install with userChromeJS

Dependency

Install userChromeJS:
https://github.com/xiaoxiaoflood/firefox-scripts

Install full screen script

Place the MacFullScreen.uc.js file in your profile folder.
Path: /profile-folder/chrome/

Hotkey

The defgault hotkey is Command-Option-Shift-F
To change the hotkey you have to modify line 31 and line 32 in MacFullScreen.uc.js.

Key	Modifier
Command ⌘	accel
Shift ⇧	shift
Option ⌥	alt
Control ⌃	control

More information: https://developer.mozilla.org/en-US/docs/Archive/Mozilla/XUL/Tutorial/Keyboard_Shortcuts