#pb-opacity {
        -ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=50)";
        filter: alpha(opacity=50);
        background-color: black;
        -moz-opacity: .5;
        position: fixed;
        z-index: 200;
        opacity: .5;
        bottom: 0;
        left: 0;
}
        
#pb-content {
        background-color: #FFFFFF;
        position: fixed;
        z-index: 201;
        left: 50%;
        top: 50%;
}
        
#pb-closer {
        padding-top: 2px;
        height: 22px;
}

#pb-closer a {
        background: white url(/_templates/immagini/close.gif) no-repeat top left;
        display: block;
        height: 22px;
        float: right;
        width: 66px;
}