* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: #000;
  color: #fff;
}

main {
  display: grid;
  min-height: 100vh;
  min-height: 100svh;
  place-items: center;
  padding: 24px;
  text-align: center;
}

h1 {
  margin: 0;
  color: #fff;
  font-size: clamp(3rem, 10vw, 7rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: 0;
}