.popup-overlay { position:fixed;top:0;left:0;width:100%;height:100%; }
.popup-overlay.background { background:WHITE;opacity:0.75;filter:alpha(opacity=60); }

.popup-overlay iframe { width:100%;height:100%;border:0 none; }
.popup-overlay .buttons-block { margin:0 auto;width:583px;height:0; }
.popup-overlay .buttons-block a { float:right;position:relative;z-index:3;top:155px;width:45px;height:43px; }