mux-player::part(center play button){background:var(--brand-primary, #cdda55);color:var(--brand-vulcan, #151617);border-radius:9999px;transition:transform .15s ease,box-shadow .15s ease;box-shadow:0 8px 32px -8px #000000a6}mux-player::part(center play button):hover{transform:scale(1.05)}