app/models/404.php

<?php

declare(strict_types=1);


return <<<"EOD"
<div class="mt-5 d-flex flex-row w-50 alert p-0 alert-warning mx-auto justify-content-center  text-center" role="alert">
<div class="font-monospace bg-warning flex-fill p-0 fw-semi-bold fs-3 text-white">404</div>
<div class=" flex-fill p-2 align-self-center ">The page cannot be found. If you think this URL should work and it’s a bug, please <a href="https://github.com/mozilla/releases_insights/issues/new">open an issue on GitHub</a>.</div>
</div>
EOD;