#lithophane_upload {
    margin: 15px 0;
    display: block;
    padding: 8px;
    border: 1px solid #ccc;
    border-radius: 6px;
    background: #f9f9f9;
}

#cropper_container {
    margin: 15px 0;
    text-align: center;
}

#cropper_image {
    max-width: 300px;
    border: 1px solid #ddd;
    border-radius: 8px;
    filter: grayscale(100%);
    background: #fff;
}