body {
  margin: 0;
  font-family: system-ui, sans-serif;
  line-height: 1.6;
  color: #222;
  background: #fafafa;
}

main {
  max-width: 40rem;
  margin: 0 auto;
  padding: 1.5rem 1rem;
}

input,
button {
  font: inherit;
  padding: 0.4rem 0.6rem;
}