.zoom {
  display: inline-block;
  position: relative;
}

/* magnifying glass icon */
.zoom:after {
  content: "";
  display: block;
  width: 33px;
  height: 33px;
  position: absolute;
  top: 0;
  right: 0;
  background: url('icon.png');
}

.zoom img {
  display: block;
}

.zoom img::selection {
  background-color: transparent;
}

#ex2 img:hover {
  cursor: url(grab.cur), default;
}
#ex2 img:active {
  cursor: url(grabbed.cur), default;
}