#content{
	position:relative;
}
#content:after{
	content:"";
	width:100%;
	height:600px;
	background:url(../../huojiang-bg.jpg) no-repeat center top;
	background-size:cover;
	position:absolute;
	bottom:0;
	left:0;
	right:0;
	margin:0 auto;
	opacity:0.1;
	z-index:-1;
}
#content table {
  background: none; 
}