.single_border {
	border: 1px solid #000000;
}
.single_border_no_top {
	border-top: 1px none #000000;
	border-right: 1px solid #000000;
	border-bottom: 1px solid #000000;
	border-left: 1px solid #000000;
}
.single_border_no_topright {

	border-top: 1px none #000000;
	border-right: 1px none #000000;
	border-bottom: 1px solid #000000;
	border-left: 1px solid #000000;
}