.zoom {
Xposition: relative;
Xdisplay:inline-block;
   cursor:zoom-in;
}

.zoom > .zoom-in {
   position:absolute;
   overflow:hidden;
   display:none;
   background-repeat:no-repeat;
   background-color: #FFF;

   cursor:zoom-out;

min-width:50px;
min-height:50px;

}

.Xzoom:hover > div {
display:block;
border-color:red;
}