element
	 * @since 1.1.0
	 */
	function generate_main_classes( $classes ) {
		$classes[] = 'site-main';
		return $classes;
	}
}
if ( ! function_exists( 'generate_post_classes' ) ) {
	add_filter( 'post_class', 'generate_post_classes' );
	/**
	 * Adds custom classes to the  element.
	 * Remove .hentry class from pages to comply with structural data guidelines.
	 *
	 * @since 1.3.39
	 */
	function generate_post_classes( $classes ) {
		if ( 'page' == get_post_type() ) {
			$classes = array_diff( $classes, array( 'hentry' ) );
		}
		return $classes;
	}
}