{{ define "content" }}
<span style="text-align: center;">
<h2>404 - Page not found</h2>
<p>Sorry, the page you are looking for does not exist.</p>
</span>
<p>
Extra information:
<ul>
    <li>Host: {{ .Request.Host }}</li>
    <li>Method: {{ .Request.Method }}</li>
    <li>Proto: {{ .Request.Proto }}</li>
    <li>RemoteAddr: {{ .Request.RemoteAddr }}</li>
    <li>RequestURI: {{ .Request.RequestURI }}</li>
    <li>URL: {{ .Request.URL }}</li>
    <li>UserAgent: {{ .Request.UserAgent }}</li>
</ul>
{{ end }}