#logo_add {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.3);
    z-index: 7;
    
}

#logo_add figure {
/*    width: 700px;*/
    width: 600px;
    
    margin:0 auto;
    position: relative;
    top: 25%;
    padding: 7px;
    border: 1px solid #000;
    background: #fff;
}

#logo_add figcaption {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    
}


#add_close {
    position: absolute;
    top: -43px;
    right: 0;
    cursor: pointer;
    background: #fff;
    
    
}