.kuang {
	border-right-width: 1px;
	border-right-style: solid;
	border-right-color: #000000;
}
.waiwei {
	border: 1px solid #D0FFFF;
}
.zuo {
	border-left-width: 1px;
	border-left-style: solid;
	border-left-color: #C8FFFF;
}
.xia {
	border-bottom-width: 1px;
	border-bottom-style: solid;
	border-bottom-color: #B0C5E4;
}