UserCSS To install, view the raw files. Requires the Stylus userstyle loader extension. Install for: Chrome Opera Firefox List chrome/chrome-dark-scrollbar-and-audio-player coverage/coverage-dark discord/discord-customization duolingo/duolingo-customization duolingo/duolingo-dark fanbox/fanbox-customization fanfox/fanfox-fullscreen-reader firefox/firefox-dark-scrollbar github/github-customization github/github-less-contrasty-dark-theme global/media-transformations gmail/darker-gmail granblue-fantasy/granblue-fantasy-enhancements granblue-fantasy/granblue-fantasy-tweaks greasyfork/greasyfork-dark nakama.social/nakama.social-personalizacion nyaa.si/nyaa.si-customization reddit/reddit-darker-dark steamdb/steamdb-big-capsules stylus/stylus-codemirror-dark-plus stylus/stylus-customization stylus/stylus-dark whatsapp/whatsapp-selective-scaling youtube/youtube-big-text youtube/youtube-customization youtube/youtube-darker youtube/youtube-fullscreen-theater