body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.5;
  color: #15223a;
  background: #ffffff;
}

main {
  max-width: 48rem;
  margin: 0 auto;
  padding: 2rem 1rem;
}