616* Filters the classes for the main <html> element.617*618* @since Twenty Twenty-One 1.0619*620* @param string The list of classes.Defaultemptystring.621*/622$classes=apply_filters('twentytwentyone_html_classes','');623if(!$classes){624return;625}626echo'class="'.esc_attr($classes).'"';627}628
History
Introduced in Twenty Twenty-One 1.0. 2 changes between 6.7.7 and 7.1.0.