Hi @labels4everything,
Thank you for sharing the screenshots.
There are multiple products displayed in the first invoice hence the font size is smaller than the second screenshot. However, you can make the use of below-provided custom code to increase the font size on the invoice.
/**Add this code snippet in the functions.php file of your currently active theme.
*/
function example_serif_font_and_large_address() {
?>
<style>
????????????#page {
????????????????font-size: 1em;
????????????????font-family: Georgia, serif;
????????????}
</style>
????<?php
}
add_action( ‘wcdn_head’, ‘example_serif_font_and_large_address’, 20 );
Please check and let me know if the provided custom code is working as per your requirements or not.