img {
  border-radius: 0;
  line-height: 0;
  margin: 0;
  display: block;
}

/* mobile/tablet view */
@media (max-width: 600px) {
  div, nav, header {
    padding: 0 var(--space-sm);
  }

  main h2:first-of-type {
    margin-top: 0;
  }
}