* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: #000;
  color: #fff;
  font-family:
    system-ui,
    -apple-system,
    sans-serif;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

main {
  max-width: 600px;
  line-height: 1.6;
}

h1 {
  margin-bottom: 1rem;
  font-size: 2rem;
}