* The template for displaying 404 pages (not found)
* @link https://codex.wordpress.org/Creating_an_Error_404_Page
* @subpackage Twenty_Nineteen
* @since Twenty Nineteen 1.0
<div id="primary" class="content-area">
<main id="main" class="site-main">
<div class="error-404 not-found">
<header class="page-header">
<h1 class="page-title"><?php _e( 'Oops! That page can’t be found.', 'twentynineteen' ); ?></h1>
</header><!-- .page-header -->
<div class="page-content">
<p><?php _e( 'It looks like nothing was found at this location. Maybe try a search?', 'twentynineteen' ); ?></p>
<?php get_search_form(); ?>
</div><!-- .page-content -->
</div><!-- .error-404 -->