#das_overlay {
    background: #000;
    opacity: 0.7;
    filter: alpha(opacity=70);
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 100051;
}

.das-popup {
    position: fixed;
    background-color: #fff;
    z-index: 100052;
    visibility: hidden;
    text-align: left;
    top: 50%;
    left: 50%;
    -webkit-box-shadow: 0 3px 6px rgba( 0, 0, 0, 0.3 );
    box-shadow: 0 3px 6px rgba( 0, 0, 0, 0.3 );
    padding: 20px;
}