Highlight last row in a table

I have fixed this using style sheet.

.psc-row{
	background-color:white;
	}
.psc-row:nth-last-child(2){
	background-color:#DCEDC8;
	font-weight:bold;
}
.psc-row:nth-last-child(1){
	background-color:#D7CCC8;
	font-weight:bold;
}