html,
body {
  height: 100%;
  margin: 0;
}

body {
  display: grid;
  place-items: center;
  background: #fff;
  color: #000;
  font-family: Arial, sans-serif;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 8vw, 5rem);
  font-weight: 700;
}