Translucency requires support by the selected skin as well as your desktop environment. The default skin supports translucency.
Chun tréshoilseacht a úsáid, caithfidh sé a bheith tacaithe ag an gcraiceann roghnaithe agus ag an timpeallacht deisce. Tacaíonn an craiceann réamhshocraithe le tréshoilseacht. @ option: check