body{
	font-size:12px;
        margin:0px;
	padding:0px;
	text-align:center;
	background:url('背景.jpg');
	color:#495955;
	font-family: Verdana, Arial;
        overflow:hidden;
}
 img {max-width: 100%;height: auto;}
 select{font-family: Verdana, Arial}
 th{background:#f5f5f1;}