body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  margin: 0;
  padding: 4rem 2rem;
  text-align: center;
}

@media (prefers-color-scheme: dark) {
  body {
    background: black;
    color: white;
  }

  a:link {
    color: #6666FF;
  }

  a:visited {
    color: #E666E6;
  }

  a:active {
    color: #FF6666;
  }
}