message: Fixed issue where mod overlays were not overlaying in optimiser
diff: margin: 0 4px 4px 0;
  display: flex;
  flex-direction: column;
  + position: relative;
  width: calc(0.59 * var(--item-size));
  height: calc(0.59 * var(--item-size));
  }
  .energyCostOverlay {
  + position: absolute;
  height: calc(0.59 * var(--item-size) - #{2 * $item-border-width});
  width: calc(0.59 * var(--item-size) - #{2 * $item-border-width});
  background-size: calc(0.59 * var(--item-size));
  }
  .energyCost {
  + position: absolute;
  top: calc(#{$item-border-width} + ((0.59 * var(--item-size)) / 13));
  right: calc(#{$item-border-width} + ((0.59 * var(--item-size)) / 10.5));
  font-size: calc((0.59 * var(--item-size)) / 5.5);
  