.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; }