Small bars and no scrolling tabs userChrome.css for FireFox 116.0.3, 133.0.3 With CSD: With Adwaita: No scrolling tab overflow mode: Installing: Enable "toolkit.legacyUserProfileCustomizations.stylesheets" on "about:config" page. Go to "about:profiles" and open the root directory of the default profile. Place modded userChrome.css in the "chrome" directory of the profile (if there isn't any, then create it). Restart FireFox.
