.overlay{
    width:100%;
    height: 100%;
    background-color: #000;
    position: fixed;
    left: 0;
    top: 0;
    z-index: 10000;
    opacity:0.6;
}

.popup{
    position: absolute;
    left: 50%;
    top: 50%;
    margin-top: -150px;
    margin-left: -331px;
    z-index: 10001;
    width: 662px;
    height: 331px;
    text-align: center;
    color: #000; 
    font-size: 14px;
    border-radius: 10px 10px 10px 10px;
    -moz-border-radius: 10px 10px 10px 10px;
    -webkit-border-radius: 10px 10px 10px 10px;
    padding: 15px;
   
    background: url("../img/sbocashpop.jpg") no-repeat;

}

.popup .btn-close{
    position: absolute;
    width: 30px;
    height: 30px;
    background: url("../img/btn-close.png") no-repeat;
        top: -23px;
    right: 5px;
}