.kuang {
	border: 1px solid #99CC99;
}
.kuang1 {
	border-top-width: 1px;
	border-bottom-width: 1px;
	border-top-style: solid;
	border-right-style: none;
	border-bottom-style: solid;
	border-left-style: none;
	border-top-color: #99cc99;
	border-bottom-color: #99cc99;

}