2 column in mobile not working

Hi,
I researched the support forum and added this to the functions.php file in Child:

function woodmart_get_owl_items_numbers( $slides_per_view ) {
$items = array();
$items[‘desktop’] = ( $slides_per_view > 0 ) ? $slides_per_view : 1;
$items[‘desktop_small’] = ( $items[‘desktop’] > 1 ) ? $items[‘desktop’] – 1 : 1;
$items[‘tablet’] = ( $items[‘desktop_small’] > 1 ) ? $items[‘desktop_small’] : 1;
$items[‘mobile’] = ( $items[‘tablet’] > 2 ) ? $items[‘tablet’] – 2 : 1;

$items[‘mobile’] = 2;

return $items;
}

It’s still not working on the shop page. Could you please help me?

Also, Categories overlap in mobile…

Thanks