*, *::before, *::after { box-sizing: border-box; }
body {
  margin: 0;
  background: #1e1e2e;
  color: #cdd6f4;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
@keyframes spin { to { transform: rotate(360deg); } }