Dark Background and Light Text: https://addons.mozilla.org/en-US/firefox/addon/dark-background-light-text/ https://addons.mozilla.org/en-US/firefox/addon/dark-b

Dark Background and Light Text: https://addons.mozilla.org/en-US/firefox/addon/dark-background-light-text/ https://addons.mozilla.org/en-US/firefox/addon/dark-backgrou... I'm not familiar with Dark Reader, but I'm guessing it's along the same lines. I've used it with Firefox Mobile for a couple months and have been happy with it.