wordpress/php-fpm/wordpress_files/themes/shell-lite/404.php

<?php
/**
 * Theme's Error 404 Page
 *
 *
 * @file           404.php
 * @package        WordPress 
 * @subpackage     Shell 
 * @author         Emil Uzelac, nofearinc 
 * @copyright      2003 - 2012 ThemeID, 2013 DevWP
 * @license        license.txt
 * @version        Release: 1.0
 * @filesource     wp-content/themes/shell-lite/404.php
 * @link           http://codex.wordpress.org/Creating_an_Error_404_Page
 * @since          available since Release 1.0
 */
?>
<?php get_header(); ?>

        <div id="content-full" class="grid col-940">
            <div id="post-0" class="error404">
                <div class="post-entry">
                    <h1 class="title-404"><?php _e( '404 &#8212; Fancy meeting you here!', 'shell' ); ?></h1>
                    <p><?php _e( 'Don\'t panic, we\'ll get through this together. Let\'s explore our options here.', 'shell' ); ?></p>
                    <h6><?php _e( 'You can return', 'shell' ); ?> <a href="<?php echo home_url(); ?>/" title="<?php esc_attr_e( 'home', 'shell' ); ?>"><?php _e( '&#9166; Home', 'shell' ); ?></a> <?php _e( 'or search for the page you were looking for', 'shell' ); ?></h6>
                    <?php get_search_form(); ?>
                </div><!-- end of .post-entry -->
            </div><!-- end of #post-0 -->
        </div><!-- end of #content-full -->

<?php get_footer(); ?>