.register {
	float: left;
}
.bitBucket {
	float: left; 
	width: 19px;
	height: 38px;
}
.bitCell {
	float: left;
	width: 19px;
	height: 19px;
	margin-right: -1px;
	margin-bottom: -1px;
	border: 1px solid black;
	text-align: center;
	line-height: 19px; /* the equivalent of "vertical-align: middle" for single-line elements */ 
}
.bitCellLeft {
	border-left: 1px solid black;
}
.bitLabel {
	font-size: xx-small;
	text-align: center;
}