#nginx_ui_root { height: 100%; width: 100%; overflow: hidden; } .logo { height: 6em; padding: 1.5em; will-change: filter; transition: filter 300ms; } .logo:hover { filter: drop-shadow(0 0 2em #646cffaa); } .logo.react:hover { filter: drop-shadow(0 0 2em #61dafbaa); } @keyframes logo-spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } } @media (prefers-reduced-motion: no-preference) { a:nth-of-type(2) .logo { animation: logo-spin infinite 20s linear; } } .card { padding: 2em; } .read-the-docs { color: #888; }