.mpopup{overflow:hidden}.popupLayer{position:absolute;left:0;top:0;width:100%;height:100%;z-index:100;-ms-filter: alpha(opacity=50);filter: alpha(opacity=50);opacity:.3;-moz-opacity:.3}.popupLayer .back{position:absolute;left:0;top:0;width:100%;height:100%;background:#000;z-index:101}.popup_box{position:absolute;left:50%;top:50%;z-index:102;background:#fff}.popup_box .popup_contents{position:absolute;left:0;top:0;width:100%;height:100%;z-index:102;border:1px solid #dcdcdc}.popupLayer iframe,.popup_box iframe{position:absolute;left:0;top:0;width:100%;height:100%}