/* Overlay scuro */
#popupOverlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.7);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

/* Contenitore popup */
.popupBox {
    background: #fff;
    padding: 15px;
    border-radius: 10px;
    max-width: 90%;
    max-height: 90%;
    position: relative;
}

/* GIF responsive */
.popupBox img {
    width: 100%;
    height: auto;
    display: block;
}

/* Pulsante chiusura */
.closeBtn {
    position: absolute;
    top: 5px;
    right: 10px;
    font-size: 28px;
    cursor: pointer;
}