.protected-image {
    user-select: none;
    -webkit-user-select: none;
    pointer-events: none;
}
.image-container { position: relative; display: inline-block; }
.overlay {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: transparent;
    z-index: 10;
}