body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue",
    Arial;
  margin: 4rem;
  text-align: center;
  color: #222;
}

h1 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

p {
  color: #555;
}