#popup-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 9999;
}

#popup-content {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: #fff;
    padding: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    text-align: center;
}

#popup-image {
    max-width: 100%;
    height: auto;
}

#popup-close {
    margin-top: 10px;
    display: block;
    background: #f00;
    color: #fff;
    border: none;
    padding: 5px 10px;
    cursor: pointer;
}