//ADD PRODUCT CATEGORY TO BODY CLASS add_filter( 'body_class', 'bbloomer_wc_product_cats_css_body_class' ); function bbloomer_wc_product_cats_css_body_class( $classes ){ if( is_singular( 'product' ) ) { $custom_terms = get_the_terms(0, 'product_cat'); if ($custom_terms) { foreach ($custom_terms as $custom_term) { $classes[] = 'product_cat_' . $custom_term->slug; } } } return $classes; }