#form_set
{
    max-width: 600px;
 } 

#form_set_center
{
    margin-left: 5px;
    margin-right: 5px;
    margin-bottom: 15px;    
} 

#form_set_qrcode_preview, #form_set_foto1_preview, #form_set_foto2_preview, #form_set_foto3_preview
{
    display: none;
    margin-top: 15px;
    max-height: 200px;
    border-radius: 8px;
    object-fit: cover;
    box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}