.black_overlay {
    display: none;
    position: absolute;
    top: 0%;
    left: 0%;
    width: 100%;
    height: 100%;
    background-color: black;
    z-index: 1001;
    -moz-opacity: 0.8;
    opacity: .80;
    filter: alpha(opacity=88);
}

.white_content {
    display: none;
    position: fixed;
    top: 25%;
    left: 25%;
    width: 500px;
    height: 550px;
    padding: 20px;
    border: 10px solid rgba(255, 255, 255, 0);
    background-color:rgba(209, 209, 209, 0.05);
    z-index: 1002;
    overflow: auto;
    left: 800px;
}