.is2 {
  position: relative;
}
.is2_con{
	width: 210px;
	height: 210px;
	background:rgba(54,151,245,0.8);
	position: absolute;
	top: -225px;
	left: -28px;
	display: none;
}
.is2:hover .is2_con{
	display: block;
}
.is2_con .sj{
	display: block;
	width: 20px;
	height: 16px;
	position: absolute;
	left: 50%;
	margin-left:-10px;
	bottom: -16px;
	background:url("/global/sj1.png") no-repeat top center;
}
.is2_con ul{
	margin-top:5px;
	padding:5px;
	width:200px;
	height:200px;
	background:url("/global/bswxcode.jpg") no-repeat top center;
}