1: https://addons.mozilla.org/en-US/firefox/addon/simplewhite/
2: https://addons.mozilla.org/en-US/firefox/addon/ft-deepdark/
1: https://addons.mozilla.org/en-US/firefox/addon/simplewhite/
2: https://addons.mozilla.org/en-US/firefox/addon/ft-deepdark/