.kuang {
	border-top: 0px none;
	border-right: 0px none;
	border-bottom: 1px solid #E4E4E4;
	border-left: 0px none;
}
.liangbian {
	border-top-width: 0px;
	border-right-width: 1px;
	border-bottom-width: 1px;
	border-left-width: 1px;
	border-top-style: none;
	border-right-style: solid;
	border-bottom-style: solid;
	border-left-style: solid;
	border-right-color: #C7C7C7;
	border-left-color: #C7C7C7;
	border-bottom-color: C7C7C7;
}