.tb-lr {
	border-right-width: 1px;
	border-left-width: 1px;
	border-right-style: solid;
	border-left-style: solid;
	border-right-color: #CCCCCC;
	border-left-color: #CCCCCC;
}
.tb-lrb {
	border-right-width: 1px;
	border-bottom-width: 1px;
	border-left-width: 1px;
	border-right-style: solid;
	border-bottom-style: solid;
	border-left-style: solid;
	border-right-color: #CCCCCC;
	border-bottom-color: #CCCCCC;
	border-left-color: #CCCCCC;
}
.tb-lrbt {
	border: 1px solid #CCCCCC;
}