.mask{background:#666666; opacity:0.4;}
.dialog_body{width:100%; height:100%; border:1px solid #999999; background-color:#ffffff;}
.dialog_top{background-color:#555555; color:#ffffff; height:14px; padding:5px; font-size:12px;     text-align: center;}
.dialog_main{text-align:center; height:55px; padding-top:40px; color:#333333;font-size: 16px; padding: 24px 23px 6px 23px;}
.dialog_bottom{padding:0 15px; color:#333333;}
.dialog_bottom span{float:right;     margin-top: 9px;}