'post',
'posts_per_page' => esc_html(get_theme_mod('nitro_a_slider_count',10)),
'cat' => esc_html( get_theme_mod('nitro_a_slider_cat',0) ),
);
$loop = new WP_Query( $args );
while ( $loop->have_posts() ) :
$loop->the_post();
global $product;
if ( has_post_thumbnail() ) :
$image_data = wp_get_attachment_image_src( get_post_thumbnail_id( $loop->post->ID), 'nitro-sq-thumb' );
$image_url = $image_data[0];
endif;
?>