Allow going back in the directory structure

layouts/partials/header.html

@@ -10,10 +10,17 @@ config change. -->
       	<a href="{{ .URL | absLangURL }}">{{ .Name }}</a>
   	{{ if eq $navbar_style "classy" }}</span>{{ end }}
   	{{- end }}
+	
 </nav>
 <h1>{{ $.Site.Title }}</h1>
 {{ else }}
 <a href="/">Go Home</a>
+{{ $path := .Path }} 
+{{ $bpath := path.Dir $path }} 
+{{ if eq $bpath "/" }}
+{{ else }}
+<a href="{{ $bpath }}">Back to {{ $bpath }}</a>
+{{ end }} 
 </nav>
 <p>{{ $.Site.Params.subtitle }}</p>
 {{ end }}