576* Filters the classes for the main <html> element.577*578* @since Twenty Twenty-One 1.0579*580* @param string The list of classes.Defaultemptystring.581*/582$classes=apply_filters('twentytwentyone_html_classes','');583if(!$classes){584return;585}586echo'class="'.esc_attr($classes).'"';587}588
History
Introduced in Twenty Twenty-One 1.0. 2 changes between 6.7.7 and 7.1.0.