:root {
  color-scheme: light dark;
  font-family: system-ui, sans-serif;
}

body {
  display: grid;
  min-height: 100vh;
  margin: 0;
  place-items: center;
}

main {
  padding: 2rem;
  text-align: center;
}

h1 {
  margin-bottom: 0.5rem;
  font-size: clamp(2.5rem, 8vw, 5rem);
}