post_grid_grid_items_class

you can add your own class under post loop item, add_filter(‘post_grid_grid_items_class’, ‘post_grid_grid_items_class_20200614’, 10, 2); function post_grid_grid_items_class_20200614( $class, $args){ $post_id = $args[‘post_id’] ; $class .= ‘new-class’; return $class; } View post on imgur.com