.IIV::-webkit-media-controls-play-button, .IIV::-webkit-media-controls-start-playback-button { opacity: 0 pointer-events: none width: 5px } *::-webkit-media-controls-panel { display: none!important; -webkit-appearance: none; } /* Old shadow dom for play button */ *::--webkit-media-controls-play-button { display: none!important; -webkit-appearance: none; } /* New shadow dom for play button */ /* This one works */ *::-webkit-media-controls-start-playback-button { display: none!important; -webkit-appearance: none; }