#backdrop {
    position: absolute;
    z-index: 1000000;
    background-color: #000000;
    display: none;
    text-align: center;
}

#backdrop_card_save {
    display: none;
    position: absolute;
    left: 50%;
    background: #EDEBED;
    padding: 15px;
    z-index: 1000001;
    top: 300px;
    width: 350px;
}