@import url('https://fonts.googleapis.com/css2?family=Roboto+Slab:wght@100..900&display=swap');
body {
  font-family: 'Roboto Slab', serif;
  font-optical-sizing: auto;
  font-weight: <weight>;
  font-style: normal;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
header > :first-child,
section > :first-child {
  margin-top: 0;
}