#popup{width:560px; min-height:315px; position:absolute; left:50%; top:50%;z-index:1; display:none;}
#shadow{width:100%; min-height:100%; background:#000; position:absolute; left:0px; top:0px; z-index:0; display:none;}
#close{width:100px; height:10px;  position:absolute; top:-80px; right:-100px; z-index:2; background-color:transparent}
.center {
    margin-left: 220px;
    margin-right: auto;
    width: 70%;
    margin-top:-110px;
   
}