.zoom-box {
    position: relative;
    width: 100%;
}
    .zoom-box img {
        display: block;
        max-width: none;
        width: 100%;
    }
    .zoom-box .zoom-selector {
        position: absolute;
        background-image: url('../images/selector.png');
        background-repeat: repeat;
        display: none;
        cursor: crosshair;
    }
.zoom-box .viewer-box{
    position: absolute;
    border: 1px solid rgb(239,237,240);
    display: none;
    overflow: hidden;
}
.zoom-box .viewer-box>img{
    position: absolute;
    left: 0;
    top: 0;
}