https://addons.mozilla.org/en-US/firefox/addon/retro-console-dark-red/ https://addons.mozilla.org/en-US/firefox/addon/retro-console... Even better now, with OP

https://addons.mozilla.org/en-US/firefox/addon/retro-console-dark-red/ https://addons.mozilla.org/en-US/firefox/addon/retro-console... Even better now, with OP's CSS: https://megous.com/dl/tmp/35a017ef1685a7ac.png https://megous.com/dl/tmp/35a017ef1685a7ac.png Now just some way to decrease the height of the tab bar, and I'm happy again.