body {
  color: #17212b;
  font: 16px system-ui, sans-serif;
  margin: 15vh auto;
  max-width: 40rem;
  padding: 0 1.5rem;
}

a {
  background: #1a5d4e;
  border-radius: 0.5rem;
  color: white;
  display: inline-block;
  padding: 0.8rem 1rem;
  text-decoration: none;
}