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

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

main {
  max-width: 40rem;
  padding: 2rem;
}

h1 {
  font-size: clamp(2rem, 6vw, 3rem);
  margin: 1.5rem 0 1rem;
}

p {
  font-size: 1.125rem;
  line-height: 1.5;
}

a:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 4px;
}