#dgh-vr {
    position: relative;
    padding-bottom: 100%;
}

#dgh-vr iframe {
    position: absolute;
    z-index: 50;
    height: 100%;
    width: 100%;
    left: 0;
    top: 0;
}

#panodefault {
    position: absolute;
    width: 100%;
    height: 100%;
    z-index: 20;
    left: 0;
    top: 0;
}

@media only screen and (min-width: 768px) {
    #dgh-vr {
        padding-bottom: 50%;
    }
}