<?php /** * The template for displaying 404 pages (not found) * * @link https://codex.wordpress.org/Creating_an_Error_404_Page * * @package WordPress * @subpackage Twenty_Twenty_One * @since Twenty Twenty-One 1.0 */ get_header(); ?> <header class="page-header alignwide"> <h1 class="page-title"><?php esc_html_e( 'Nothing here', 'twentytwentyone' ); ?></h1> </header><!-- .page-header --> <div class="error-404 not-found default-max-width"> <div class="page-content"> <p><?php esc_html_e( 'It looks like nothing was found at this location. Maybe try a search?', 'twentytwentyone' ); ?></p> <?php get_search_form(); ?> </div><!-- .page-content --> </div><!-- .error-404 --> <?php get_footer();

Source <?php
/**
 * The template for displaying 404 pages (not found)
 *
 * @link https://codex.wordpress.org/Creating_an_Error_404_Page
 *
 * @package WordPress
 * @subpackage Twenty_Twenty_One
 * @since Twenty Twenty-One 1.0
 */

get_header();
?>

    <header class="page-header alignwide">
        <h1 class="page-title"><?php esc_html_e( 'Nothing here', 'twentytwentyone' ); ?></h1>
    </header><!-- .page-header -->

    <div class="error-404 not-found default-max-width">
        <div class="page-content">
            <p><?php esc_html_e( 'It looks like nothing was found at this location. Maybe try a search?', 'twentytwentyone' ); ?></p>
            <?php get_search_form(); ?>
        </div><!-- .page-content -->
    </div><!-- .error-404 -->

<?php
get_footer();
<?php /** * The template for displaying 404 pages (not found) * * @link https://codex.wordpress.org/Creating_an_Error_404_Page * * @package WordPress * @subpackage Twenty_Twenty_One * @since Twenty Twenty-One 1.0 */ get_header(); ?> <header class="page-header alignwide"> <h1 class="page-title"><?php esc_html_e( 'Nothing here', 'twentytwentyone' ); ?></h1> </header><!-- .page-header --> <div class="error-404 not-found default-max-width"> <div class="page-content"> <p><?php esc_html_e( 'It looks like nothing was found at this location. Maybe try a search?', 'twentytwentyone' ); ?></p> <?php get_search_form(); ?> </div><!-- .page-content --> </div><!-- .error-404 --> <?php get_footer();