html {
  font-family: sans-serif;
  color: #111;
  background: #fff;
}

body {
  margin: 0;
}

.page-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 2rem;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 400;
  text-align: center;
}

a {
  color: inherit;
}