body {
  font-family: sans-serif;
  line-height: 1.6;
  max-width: 800px;
  margin: auto;
  padding: 1em;
  background: #fdfdfd;
  color: #333;
}

h1, h2, h3 {
  color: #444;
}

code {
  background-color: #f5f5f5;
  padding: 0.2em 0.4em;
  border-radius: 4px;
}