404.html

<!DOCTYPE html>
<html lang="en">
 
  <head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=1,user-scalable=no">
    <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
    <meta name="HandheldFriendly" content="true">
    <link rel="stylesheet" href="css/404.css" />
    
    <title>Trapple - Page Not Found</title>
    <link rel = "icon" href ="images/logo1.png" 
        type = "image/x-icon"> 

        <script>
            function goBack(){
              window.history.back()
            }
        </script>

    <body style="background-color:#ffbb99;">

        <div class="container">
            <h2><b>Oops! Page Not Found</b></h2>
            <h1>404</h1>
            <p><b>Can't find the page you're looking for!</b></p>
            <button onclick="goBack()" class="backbtn">Back</button>
        </div>


    </body> 
  </head> 
</html>      