body {
  font-family: system-ui, sans-serif;
  line-height: 1.6;
  max-width: 42rem;
  margin: 2rem auto;
  padding: 0 1rem;
  color: #222;
  background: #fff;
}

@media (prefers-color-scheme: dark) {
  body {
    color: #ddd;
    background: #111;
  }

  a {
    color: #8ab4f8;
  }
}