404.php

<?php
/**
 * The template for displaying 404 pages (Not Found).
 *
 * @package Casper
 */

get_header(); 
?>
	<div id="primary" class="content-area">
		<main id="main" class="site-main" role="main">

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

				<div class="page-content">
					<img class="alignright" src="<?php echo get_template_directory_uri(); ?>/img/404-ghost@2x.png" width="96" height="150">
					<p><?php _e( 'We tried searching for what you were looking for, but didn&apos;t find anything. Please use the search form below.', 'casper'); ?></p>
					
					<p><?php get_search_form(); ?></p>

				</div><!-- .page-content -->
			</section><!-- .error-404 -->

		</main><!-- #main -->
	</div><!-- #primary -->
<?php get_sidebar(); ?>
<?php get_footer(); ?>