body {
  font-family: -apple-system, system-ui, sans-serif;
  display: grid;
  place-items: center;
  min-height: 100vh;
  margin: 0;
  background: #fff;
  color: #222;
}

main {
  max-width: 32rem;
  padding: 24px;
  text-align: center;
}

a {
  color: #b5122b;
}

[hidden] {
  display: none;
}