add_filter( 'generate_media_queries', function( $queries ) {
$queries['tablet'] = '(min-width: 769px) and (max-width: 1024px)';
$queries['mobile'] = '(max-width:768px)';
return $queries;
} );
add_filter( 'generate_media_queries', function( $queries ) {
$queries['tablet'] = '(min-width: 769px) and (max-width: 1024px)';
$queries['mobile'] = '(max-width:768px)';
return $queries;
} );