This is a good addon, but lacks some of the functionality I loved in dark reader for chrome. Namely, the ability to adjust brightness and contrast from the plugin. If I could combine the two, I would be totally satisfied. Also, PLEASE find a way to fix the bright white url loading screen! Another idea: multiple color schemes which can be applied at random to new tabs. This would aid in distinguishing tabs from each other, which becomes difficult when they all have the same scheme. Thank you!