html,
body {
  height: 100%;
  margin: 0;
}

body {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: #111;
  color: #eee;
}

h1 {
  font-weight: 400;
  font-size: 1.5rem;
  letter-spacing: 0.02em;
}