/* (MACOS ONLY!) Enable window vibrancy behind tabs */ #TabsToolbar:not(:-moz-window-inactive) { background-color: #0001 !important; } #main-window:-moz-any([lwthemetextcolor="bright"], [privatebrowsingmode=temporary]) #TabsToolbar:not(:-moz-window-inactive) { background-color: #1114 !important; } #main-window { -moz-appearance: -moz-mac-vibrant-titlebar-light !important; } #main-window:-moz-any([lwthemetextcolor="bright"], [privatebrowsingmode=temporary]) { -moz-appearance: -moz-mac-vibrant-titlebar-dark !important; } :-moz-any(#main-window, #TabsToolbar):-moz-any([inFullscreen="true"], :-moz-window-inactive) { -moz-appearance: none !important; background-color: var(--lwt-accent-color) !important; }