body,
html {
  background-color: #333;
}

body {
  color: #aaa;
  font-family: monospace;
  max-width: 100vw;
  min-height: 100vh;
  padding: 1rem;
}

h1 {
  font-size: 2rem;
  text-align: center;
  width: 100%;
}

p.center {
  text-align: center;
}