View file File name : error_404.php Content :<?php defined('BASEPATH') OR exit('No direct script access allowed'); ?><!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <title>404 Page Not Found</title> <style type="text/css"> ::selection { background-color: #E13300; color: white; } ::-moz-selection { background-color: #E13300; color: white; } body { background-color: #fff; margin: 40px; font: 13px/20px normal Helvetica, Arial, sans-serif; color: #4F5155; } a { color: #003399; background-color: transparent; font-weight: normal; } h1 { color: #444; background-color: transparent; border-bottom: 1px solid #D0D0D0; font-size: 19px; font-weight: normal; margin: 0 0 14px 0; padding: 14px 15px 10px 15px; } code { font-family: Consolas, Monaco, Courier New, Courier, monospace; font-size: 12px; background-color: #f9f9f9; border: 1px solid #D0D0D0; color: #002166; display: block; margin: 14px 0 14px 0; padding: 12px 10px 12px 10px; } #container { margin: 10px; border: 1px solid #D0D0D0; box-shadow: 0 0 8px #D0D0D0; } p { margin: 12px 15px 12px 15px; } </style> </head> <body> <div id="container"> <h1><?php echo $heading; ?></h1> <?php echo $message; ?> </div> </body> </html>