gsettings set org.gtk.Settings.Debug enable-inspector-keybinding true
doesn't work, as I don't have the Debug directory under Settings...
I have managed to use the variable tho, and got this
( Not pasting it since I thought it would be relevant to keep it as an image )
It's not reading the color for some reason, not to mention this works
So the selectors are ok, but how in the hell would I go about to get the terminal a border?