*, *::before, *::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, sans-serif;
  background: #0f0f0f;
  color: #f0f0f0;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}

main {
  text-align: center;
}

h1 {
  font-size: 3rem;
  margin-bottom: 0.5rem;
}

#message {
  font-size: 1.25rem;
  color: #aaa;
}