'; } } add_action( 'wp_head', 'thorium_pingback_header' ); /** * Customize Tag Cloud Widget font size. */ function thorium_tag_cloud_widget( $args ) { $args['largest'] = 17; //largest tag $args['smallest'] = 15; //smallest tag $args['unit'] = 'px'; //tag font unit return $args; } add_filter( 'widget_tag_cloud_args', 'thorium_tag_cloud_widget' );