#overlay_layer {
    position: fixed;
    top: 0px;
    left: 0px;
    background: #000;
    opacity: 0.25;
    filter: alpha(opacity = 0.25);
}

#overlay_content {
    position: absolute;
    background: #FFF;
    opacity: 1;

    border: 1px solid #CCCCCC;
    box-shadow: 8px 8px 20px #555555;
    border-radius: 10px;
    
    padding: 15px;
}

#overlay_close {
    position: absolute;
    display: block;

    top: -18px;
    right: -18px;
    text-indent: 500px;
    overflow: hidden;

    width: 36px;
    height: 36px;
    background: url("../img/close.png") no-repeat scroll 0 0 transparent;
}