/**
         * Print dynamic CSS in compare popup
         *
         * @since 1.0.0
         * @return void
         */
        public function compare_css()
        {
            if (!$this->is_comapre_table()) {
                return;
            }
            do_action('cherry_wc_comapre_css');
            if (!class_exists('cherry_css_compiler')) {
                return;
            }
            $css_compiler = cherry_css_compiler::get_instance();
            $dynamic_css = $css_compiler->prepare_dynamic_css();
            ?>
			<style type="text/css">
				<?php 
            echo $dynamic_css;
            ?>
			</style>
			<?php 
        }
 /**
  * Returns the instance.
  *
  * @since  4.0.0
  * @return object
  */
 public static function get_instance()
 {
     // If the single instance hasn't been set, set it now.
     if (null == self::$instance) {
         self::$instance = new self();
     }
     return self::$instance;
 }