/* Overlay background */
#popupOverlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.65);
    z-index: 9999;
}

/* Centered popup box */
#popupBox {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 92vw;
    height: 92vh;
    transform: translate(-50%, -50%);
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 0 25px rgba(0,0,0,0.5);
    overflow-y: auto;
    overflow-x: hidden;
}

/* Close button */
#popupClose {
    position: absolute;
    top: 8px;
    right: 12px;
    font-size: 28px;
    cursor: pointer;
    color: #444;
    z-index: 10000;
}

/* iframe content */
#popupFrame {
    width: 100%;
    height: 100%;
    display: block; 
}