<section class="section">
    <div class="container has-text-centered">
        <h1 class="title is-1">404</h1>
        <h2 class="subtitle is-5">
            The page you are trying to reach either
            <strong>does not exist</strong>
            or
            <strong>you are not authorized</strong>
            to view it.
        </h2>
    </div>
</section>
