:root{--background:#ffffff;--foreground:#171717}@media (prefers-color-scheme:dark){:root{--background:#0a0a0a;--foreground:#ededed}}body{color:var(--foreground);background:var(--background);font-family:Arial,Helvetica,sans-serif}.bg-vid{position:absolute;width:100vw;height:100vh;object-fit:cover;z-index:0;border:2px solid yellow}