body {
  font-family: system-ui, sans-serif;
  color: #1a1a1a;
  background: #fafafa;
  margin: 0;
}

main {
  max-width: 40rem;
  margin: 4rem auto;
  padding: 0 1.5rem;
  line-height: 1.6;
}

h1 {
  font-size: 1.75rem;
}

code {
  background: #eee;
  padding: 0.1rem 0.3rem;
  border-radius: 3px;
}

a {
  color: #0055cc;
}