body {
  max-width: 48rem;
  margin: 4rem auto;
  padding: 1rem;
  font-family: "Helvetica", "Arial", sans-serif;
  line-height: 1.5;
  color: #363636;
}

h1 {
  margin: 0;
  line-height: 1;
  font-size: 2.5rem;
  font-weight: normal;
}