<?php
/*
** Customizer Controls
*/
if (class_exists('WP_Customize_Control')) {
    class Klean_WP_Customize_Upgrade_Control extends WP_Customize_Control {
        /**
         * Render the control's content.
         */
        public function render_content() {
            printf(
                '<label class="customize-control-upgrade"><span class="customize-control-title">%s</span> %s</label>',
                $this->label,
                $this->description
            );
        }
    }
}