.fixed-corner-link {
  position: fixed;
  bottom: 10px;
  left: 10px;
  display: block;
  z-index: 10000;
  line-height: 0;
  width: 15%; /* Percentage of viewport width */
  max-width: 180px; /* Prevent it from becoming absurdly large on desktop */
  min-width: 60px;  /* Prevent it from becoming unusable on mobile */
}

.fixed-corner-img {
  width: 37%; /* Fills the anchor's width */
  height: auto; /* Maintains aspect ratio */
  display: block;
  border: none;
}