* { box-sizing: border-box; }

.site-back {
  position: fixed;
  top: 1.25rem;
  left: 1.25rem;
  z-index: 100;
  color: #000000;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 400;
  transition: opacity 0.2s ease;
}

.site-back:hover {
  opacity: 0.6;
}

.has-site-back {
  padding-top: 3.25rem;
}

@media (max-width: 480px) {
  .site-back {
    top: 1rem;
    left: 1rem;
    font-size: 0.85rem;
  }

  .has-site-back {
    padding-top: 3rem;
  }
}