body {
  --body-background-color: #fdfdfd;

  font-size: 16px;
  background-color: var(--body-background-color);
}

main {
  position: relative;
  max-width: 50rem;
  margin: 0 auto;
  line-height: 1.5;
  color: #333;
  padding: 2rem;
}