{{ $currentPage := . }}
<header>
  <div class="title-bar">
  {{ with resources.Get "img/titre-blanc.png" }}
    <a href="{{ $.Site.BaseURL | relURL }}">
      <img src="{{ .RelPermalink }}" />
    </a>
  {{ else }}
      <a href="{{ $.Site.BaseURL | relURL }}">{{ .Site.Title }}</a>
  {{ end }}
    <div class="description">
      {{ with $.Site.Params.Description }}
        {{ . }}
      {{ end }}
    </div>
  </div>
  <nav>
    {{ range $.Site.Sections }}
      {{ if eq $currentPage.Section .Section }}
        <span class="exposed">
          {{ .Title | markdownify }}
        </span>
      {{ else }}
        <a href="{{ .Permalink }}">
          {{ .Title | markdownify }}
        </a>
      {{ end }}
    {{ end }}
  </nav>
</header>