:root { color-scheme: dark; background: #0f1012; }
* { box-sizing: border-box; }
html, body { width: 100%; height: 100%; margin: 0; background: #0f1012; }
body { overflow: hidden; }
.poster { width: 100vw; height: 100svh; display: grid; place-items: center; background: #0f1012; }
.poster-video { display: block; width: 100%; height: 100%; object-fit: contain; background: #0f1012; }
.poster-video:focus-visible { outline: 3px solid #e9ff00; outline-offset: -3px; }