body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: #fff;
  color: #111;
  font-size: 18px;
  line-height: 1.6;
  padding: 2rem;
}

.container {
  max-width: 720px;
  margin: auto;
}

a {
  color: #007acc;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}