table.sortable tbody {
    counter-reset: sortabletablescope;
}
table.sortable thead tr::before {
    content: "Lp.";
    display: table-cell;
	vertical-align: middle;
	font-weight: bold;
}
table.sortable tbody tr::before {
    content: counter(sortabletablescope)".";
    counter-increment: sortabletablescope;
    display: table-cell;
	vertical-align: middle;
	padding-left: 5px;
	font-size: 11px;
}
table.sortable td {
	vertical-align: middle;
}