html, body { margin: 0; height: 100%; background: radial-gradient(ellipse at 50% 50%, #0d0d0d 0%, #000 70%) fixed, #000; overflow: hidden; }
#stars { position: fixed; inset: 0; width: 100%; height: 100%; display: block; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }