:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --text: #1a1a1a;
  --link: #0b57d0;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121212;
    --text: #ececec;
    --link: #8ab4f8;
  }
}

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: var(--bg);
  color: var(--text);
  font: 1.125rem/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
}

main {
  box-sizing: border-box;
  width: 100%;
  max-width: 32rem;
  padding: 0 1rem;
  text-align: center;
}

h1 {
  margin: 0 0 1rem;
  font-size: 2.5rem;
}

a {
  color: var(--link);
}