th {
	text-align: left;
	vertical-align: bottom;
	border-bottom: 2px solid #000000;
}

td { 
  text-align: left;
  vertical-align: top;
	border-bottom: 1px solid #c0c0c0;
}

.td_c {
  text-align: center;
	vertical-align: top;
}

.td_r {
  text-align: right;
	vertical-align: top;
}