404 Page Not found

dy>
    <div class="bg-light not-found">
        <div class="container text-center">
            <h1 class="pt-5">404</h1>
            <h2>Error Page Not Found</h2>
            <h6>The page you are looking for does not exist. </h6>
            <form action="">
                
                    <div class="col-md-6 offset-md-3"> 
                            <div class="input-group">
                                  <input type="text" class="form-control" placeholder="Type Your Keyword">
                                  <div class="input-group-prepend">
                                        <button class="input-group-text bg-primary text-white" id="">Submit</button>
                                    </div>
                                </div>

                                <button class="btn btn-primary mt-5">Back To Home</button>
                                <button class="btn btn-outline-primary mt-5">See Our Services</button>
                          </div>
                        </div>

            </form>
        </div>
    </div>

body { font-family: 'Lato', sans-serif; }
       h1 { font-size: 8em; color:#e2e2e2; letter-spacing: -10px; font-weight: 600;}
       h2 { font-weight: 900;} 
       h6 { padding:40px 0px;}
       .not-found { height:100vh;}