Help:Page styles/tablestyles.css

/*
 * Table demo #1 (no left or right outger borders)
 */

.__tabledemo-1 {
	border-collapse: collapse;
	border-top: 1px solid;
	border-bottom: 1px solid;
	margin-left: auto;
	margin-right: auto;
}
.__tabledemo-1 th {
	border-bottom: 1px solid;
	text-align: center;
}
.__tabledemo-1 th:nth-child(n+2),
.__tabledemo-1 td:nth-child(n+2) {
	border-left: 1px solid;
}