tomatenmhark: firefox config shenanigans

full-screen-api.ignore-widgets - set to true to disconnect F11 from window manager fullscreen
mousewheel.with_alt.action - choose alt+mousewheel mode. 0=nothing, 1=scroll, 2=history 3=zoom/reflowing, 4=horizontal, 5=zoom/pinch
browser.tabs.unloadTabInContextMenu - show unload option in tab context menu

Using an old version of firefox and have to create a new profile?
Decrement firefox version in ~/.mozilla/firefox/*/compatibility.ini