Everforest youtube theme. Based on medium dark. Edited from: https://github.com/touhidulshawan/gruvbox-youtube
Stylus for firefox: https://addons.mozilla.org/en-GB/firefox/addon/styl-us/
Stylus for chrome: https://chromewebstore.google.com/detail/stylus/clngdbkpkpeebahjckkjfobafhncgmne?pli=1