.black_overlay{
    display: none;
    position: absolute;
    top: 0%;
    left: 0%;
    width: 100%;
    height: 200%;
    background-color: black;
    z-index:1001;
    -moz-opacity: 0.7;
    opacity:.70;
    filter: alpha(opacity=70);
}
 
.white_content {
    display: none;
    position: absolute;
    top: 20%;
    left: 20%;
    width: 60%;
    height: 60%;
    padding: 0px;
    border: 0px solid orange;
    background-color: white;
    z-index:1002;
    overflow: auto;
}