function simple_shop_body_class($classes)
 {
     global $sds_theme_options, $content_width;
     // Simple Shop Customizer
     $simple_shop_customizer = Simple_Shop_Customizer_Instance();
     // Content layout was specified by user in Theme Options
     if (isset($sds_theme_options['body_class']) && !empty($sds_theme_options['body_class'])) {
         // 1 Column
         if ($sds_theme_options['body_class'] !== 'cols-1') {
             $content_width = 950;
         }
     }
     // Page Template was specified by the user for this page
     if (!empty($sds_theme_options['page_template']) && $sds_theme_options['page_template'] !== 'default') {
         // Full Width or Landing Page
         if (in_array($sds_theme_options['page_template'], array('page-full-width.php', 'page-landing-page.php'))) {
             $content_width = 950;
         }
     }
     // Customizer
     if ($simple_shop_customizer->is_customize_preview()) {
         $classes['simple-shop-customizer'] = 'customizer';
     }
     return $classes;
 }
 /**
  * This function determines if the site is currently being previewed in the Customizer.
  */
 public function is_customize_preview()
 {
     $simple_shop_customizer = Simple_Shop_Customizer_Instance();
     $is_wp_4 = $simple_shop_customizer->version_compare('4.0');
     // Less than 4.0
     if (!$is_wp_4) {
         global $wp_customize;
         return is_a($wp_customize, 'WP_Customize_Manager') && $wp_customize->is_preview();
     } else {
         return is_customize_preview();
     }
 }