Change wp_link_pages

Hi there,

Give this PHP a try:

add_filter( 'wp_link_pages_args', 'tu_wp_link_pages' );
function tu_wp_link_pages( $args ) {
    $args['next_or_number'] = 'next';

    return $args;
}

Adding PHP: https://docs.generatepress.com/article/adding-php/

thank you
How can I add custom css to this code

Sorry for asking you this question, cuz i don't know about php code

As you can seen in screenshort
The number "7" don't have any HTML tag or css class

So I can't customize it, how can I add css class to it, thanks
http://prntscr.com/jlfk4t

That code can be added using one of these methods: https://docs.generatepress.com/article/adding-php/