:root { color-scheme: dark; font-family: monospace; font-size: 16px; } body { margin: auto; max-width: 768px; } table { width: 100%; } td { padding: 5px 10px; } .none { display: none; } #loader span { animation: 1500ms infinite loader; animation-delay: calc(var(--i) * 500ms); } @keyframes loader { from { opacity: 1; } to { opacity: 0; } }