#img-zoomer-box 
{
    display: table;
    margin-left: auto;
    margin-right: auto;
    border: 0px solid red;
}

#img-zoomer-box:hover, #img-zoomer-box:active 
{
    cursor: zoom-in;
}

#img-zoomer-box:hover #img-z, #img-zoomer-box:active #img-z
{
    opacity: 1;
}

#img-z 
{
    display:table;
    width: 180px;
    height: 180px;
    pointer-events: none;
    position: absolute;
    opacity: 0;
    border: 0.1vw solid whitesmoke;
    z-index: 999999;
    border-radius: 100%;
    transition: opacity .2s;
}