#popup_bg {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background-color: #000;
    opacity: 0.8;
    z-index: 1000;
}

#popup_overlay {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    text-align: center;
    z-index: 1001;
}

#popup_img {
    display: inline-block;
    margin-top: 50px;
    width: 80%;
    height: 80%;
    object-fit: contain;
    z-index: 1002;
}

#popup_x {
    position: fixed;
    top: 50px;
    right: 50px;
    font-size: 50pt;
    color: #BBB;
    z-index: 1002;
    cursor: pointer;
}

    #popup_x:hover {
        color: #fff;
    }

@media (max-width: 500px) {

    #popup_x {
        font-size: 22pt;
    }

}