/* Auto-wrapper container */
.img-wrap {
    position: relative;
    display: inline-block;
    width: auto;
    height: auto;
}

/* The actual image */
.img-wrap img {
    display: block;
    width: 100%;
    height: auto;
}

/* The transparent overlay shield */
.img-wrap .overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: transparent;
    z-index: 10;
    pointer-events: auto;
}