body {
  font-family: sans-serif;
  max-width: 640px;
  margin: 40px auto;
  padding: 0 16px;
  color: #222;
  line-height: 1.6;
  background: #fff
}

a {
  color: #0645ad;
  text-decoration: none
}

a:hover {
  text-decoration: underline
}

li {
  margin: 8px 0
}

pre {
  background: #f4f4f4;
  padding: 12px;
  overflow-x: auto
}

code {
  background: #f4f4f4;
}

@media (prefers-color-scheme: dark) {
  body {
    background: #1a1a1a;
    color: #ddd
  }

  a {
    color: #6db3f2
  }

  pre,
  code {
    background: #2a2a2a;
    color: #ddd
  }
}