404.php

<?php
/**
 * The template for displaying 404 pages (not found)
 *
 * @link https://codex.wordpress.org/Creating_an_Error_404_Page
 *
 * @package Gridd
 */

get_header(); ?>

<section class="error-404 not-found">
	<header class="page-header container">
		<h1 class="page-title"><?php esc_html_e( 'Oops! That page can&rsquo;t be found.', 'gridd' ); ?></h1>
	</header><!-- .page-header -->

	<div class="page-content container">
		<p><?php esc_html_e( 'It looks like nothing was found at this location. Maybe try one of the links below or a search?', 'gridd' ); ?></p>

		<?php get_search_form(); ?>
		<?php the_widget( 'WP_Widget_Recent_Posts' ); ?>

		<div class="widget widget_categories">
			<h2 class="widget-title"><?php esc_html_e( 'Most Used Categories', 'gridd' ); ?></h2>
			<ul>
			<?php
			wp_list_categories(
				[
					'orderby'    => 'count',
					'order'      => 'DESC',
					'show_count' => 1,
					'title_li'   => '',
					'number'     => 10,
				]
			);
			?>
			</ul>
		</div>

		<?php
		/* translators: %1$s: smiley */
		$archive_content = '<p>' . sprintf( esc_html__( 'Try looking in the monthly archives. %1$s', 'gridd' ), convert_smilies( ':)' ) ) . '</p>';
		the_widget( 'WP_Widget_Archives', 'dropdown=1', "after_title=</h2>$archive_content" );
		the_widget( 'WP_Widget_Tag_Cloud' );
		?>

	</div>
</section>
<?php get_footer(); ?>