Axios was looking at your link, did not install it.
did you do steps 3 and 4? and read the last 3 updates? all seem relevant.
in the marketing blurb it's basically 'set it and forget it' but that isn't happening to you. Now that I've discovered the power of dconf lately I'd hate to recommend tinkering....to my untrained nose smells more like a conflict that a .css alteration. but I don't know much about that