TD {
	vertical-align: top;
	height: 70px;
}

.nb {
	border: 0px;
}

.nm {
	margin: 0px;
}

.lb {
	border-left: 1px solid black;
}

.tb {
	border-top: 1px solid black;
}

.rb {
	border-right: 1px solid black;
}

.bb {
	border-bottom: 1px solid black;
}

.fb {
	border: 1px solid black;
}

.c {
	text-align: center;
}

.r {
	text-align: right;
}