<?php

if ( ! function_exists( 'qi_set_404_page_inner_classes' ) ) {
	/**
	 * Function that return classes for the page inner div from header.php
	 *
	 * @param string $classes
	 *
	 * @return string
	 */
	function qi_set_404_page_inner_classes( $classes ) {

		if ( is_404() ) {
			$classes = 'qodef-content-full-width';
		}

		return $classes;
	}

	add_filter( 'qi_filter_page_inner_classes', 'qi_set_404_page_inner_classes' );
}