body {
  margin: 0;
  padding: 0;
}

body {
  font-family: sans-serif;
  font-size: 1.2rem; /* scales with device */
  margin: 1rem;
}

h1 {
  font-size: 64px;
}

p {
  font-size: 1rem;
  line-height: 1.5;
}