.mask{z-index:1;display:none;position:absolute;top:0;left:0;right:0;bottom:0;overflow:auto;background-color:#000;opacity:.25;filter:alpha (opacity=25);}
.floating-pane{border:3px solid #000;background-color:#f1f3eb;position:absolute;display:none;z-index:2;zoom:1;}