#fade { /*--Transparent background layer--*/
        display: none; /*--hidden by default--*/
        background: #000;
        position: fixed; left: 0; top: 0;
        width: 100%; height: 100%;
        opacity: .80;
        z-index: 9999;
}
.popup_block{
        display: none; /*--hidden by default--*/
        background: #fff;
        padding: 20px;
        border: 20px solid #ddd;
        float: left;
        font-size: 1.2em;
        position: fixed;
        top: 50%; left: 50%;
        z-index: 99999;
        /*--CSS3 Box Shadows--*/
        -webkit-box-shadow: 0px 0px 20px #000;
        -moz-box-shadow: 0px 0px 20px #000;
        box-shadow: 0px 0px 20px #000;
        /*--CSS3 Rounded Corners--*/
        -webkit-border-radius: 10px;
        -moz-border-radius: 10px;
        border-radius: 10px;
}
img.btn_close {
        float: right;
        margin: -55px -55px 0 0;
}
/*--Making IE6 Understand Fixed Positioning--*/
*html #fade {
        position: absolute;
}
*html .popup_block {
        position: absolute;
}