message: Move collectible checkmark to bottom right corner.
  Fixes
diff: box-sizing: border-box;
  z-index: 3;
  position: absolute;
  - top: $item-border-width + 2px;
  + bottom: $item-border-width + 2px;
  right: $item-border-width + 2px;
  + box-shadow: 0px 0px 2px rgba(0, 0, 0, 0.8);
  }
  .acquiredIcon {
  