* {box-sizing: border-box;}

div.img-magnifier-container {
  position:relative;
  cursor:none;
}

div.img-magnifier-container:hover div.img-magnifier-glass {
  position: absolute;
  border: 3px solid #000;
  border-radius: 0%;
  cursor: none;
  /*Set the size of the magnifier glass:*/
  width: 300px;
  height: 300px;
  display:block;
}

div.img-magnifier-glass {
  display:none;
}