.tbox {position:absolute; display:none; padding:14px 17px; z-index:900;}
.tinner {float:left; padding:10px; -moz-border-radius:5px; border-radius:5px; background:#fff; border-right:1px solid #333; border-bottom:1px solid #333;z-index:900;}
.tmask {position:absolute; display:none; top:0px; left:0px; height:100%; width:100%; background:#000; z-index:800}
.tclose {position:absolute; top:0px; right:0px; width:30px; height:30px; cursor:pointer; }
.tclose:hover {background-position:0 -30px}