<div style="background-color: black; color: red">
    <h1>Oups, you've got an error!</h1>
    {{ if .ErrorCode }}
        {{ $tmplName := print "partials/" .ErrorCode ".html"}}
        {{ render $tmplName . }}
    {{ else }}
        {{ render "partials/500.html" . }}
    {{ end }}
</div>
