my-site/layouts/partials/nav-bar.html

<div class="container clearfix nav-bar">
  [ <a href="{{ .Site.BaseURL }}">~</a> /
  <a href="{{ .Page.Permalink }}">{{ .Page.Dir }}</a>
  
   ]
  <span class="caret"># _</span>
  <div class="nav-bar-links">
    {{ range .Site.Menus.main }}
      <a href="{{ .URL }}" class="nav-bar-link">{{ .Name }}</a> 
    {{ end }}
  </div>
</div>