#link_div{
	margin:0 20px;
	overflow: hidden;
}
#link_div1{
	width:100%;
	overflow: hidden;
}
.link_left{
	width:48%;
	float:left;
	margin-right:4%;
}
.link_right{
	width:48%;
	float:left;

}
.link_left img,.link_right img{
	/*width:95%;*/
	width:100%;
	margin-top:15px;
	display:block;
}