How to center columns in WooCommerce PDF Invoice?

If you want to center some columns inside the WooCommerce PDF invoice you will need to enter some custom CSS. The CSS has to be added into the advanced settings section of our plugin.

Here is an example for centering price and quantity columns:

table th.th-showPrice, table td.td-showPrice, table td.td-showQty, table th.th-showQty {
	text-align: center;
}