.cg-square.selected {
  background: rgba(216, 85, 0, 0.3);
}
.cg-piece.dragging {
  width: 200%;
  height: 200%;
  top: -22.5px;
  left: -22.5px;
}
#cg-square-target {
  position: absolute;
  background-color: rgba(0, 0, 0, 0.2);
  border-radius: 50%;
  -webkit-transform: translate3d(0,0,0);
  z-index: 9;
}