Current workaround is to right click on the toolbar and check Menu Bar which will move the control buttons to the menu bar above, but that takes vertical space which defeats the purpose of hiding the tab bar in the first place.
Hide tabs toolbar and some other styles as well are supoosed to be used with window_control_placeholder_support.css which adds placeholder space for them.
Window control buttons i.e. minimize, maximize and close buttons are appearing on top of the toolbar(?).![image](https://github.com/MrOtherGuy/firefox-csshacks/assets/14009700/47a2e09d-2079-412c-bf8e-99bb2e6a2972)
Current workaround is to right click on the toolbar and check
Menu Bar
which will move the control buttons to the menu bar above, but that takes vertical space which defeats the purpose of hiding the tab bar in the first place.