:root {
  color-scheme: dark;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  background: #111;
  color: #f5f5f5;
}

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

main {
  padding: 3rem;
  border: 1px solid #333;
  border-radius: 0.75rem;
  background: #181818;
  text-align: center;
}

p {
  margin: 0 0 0.75rem;
  color: #999;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(2.5rem, 8vw, 5rem);
}

button {
  margin-top: 2rem;
  padding: 0.75rem 1rem;
  border: 1px solid #444;
  border-radius: 0.5rem;
  background: #222;
  color: inherit;
  font: inherit;
  cursor: pointer;
}

button:hover {
  background: #2a2a2a;
}

button:focus-visible {
  outline: 2px solid #f5f5f5;
  outline-offset: 3px;
}