message: improved explanation
diff: @@ -60,8 +60,8 @@ $commonBg: #366f42;
  // The overlay image for masterworks and Deepsight weapons
  .backgroundOverlay {
  - // -0.4px to force browser round down
  - // It it rounds up that leaves 1px gap between the image and the border
  + // -0.4px to force the browser round down rendered value not the actual value
  + // If it rounds up that leaves a 1px gap between the image and the border
  $new-border-width: $item-border-width - 0.4px;
  box-sizing: border-box;
  