html,body{height:100%}* html .layer_board_bg,* html .layer_board{position:absolute}.layer_board_bg{position:fixed;width:100%;height:100%;z-index:1000;top:0;left:0;display:none;cursor:pointer;background:#000}.layer_board{display:none;position:fixed;left:50%;margin:50px 0 0 -285px;text-align:center;z-index:2000;padding:20px;background:#000}p.btn_close{text-align:right;padding-bottom:10px}p.caption{text-align:left;font-size:80%;padding-top:10px}p.caption a{color:#FFF}