hugo-md/layouts/404.html

{{ define "main" }}
{{ $dateFormat := default "2006-01-02" (index .Site.Params "datefmt") }}
	
<header>
    <h1>404 Page not found</h1>
</header>
<article>
    The requested URL was not found on this server. &#x1F631;
</article>

{{ end }}