Improve semantic structure of pages (#151)

Bud Parr

08.41.2019 6c05a679954a8d45a7232b60690e34343b0ee733

 layouts/_default/single.html

@@ -34,13 +34,13 @@
      {{ end }}
    </header>

    <main class="nested-copy-line-height lh-copy serif f4 nested-links nested-img mid-gray pr4-l w-two-thirds-l">
        {{- .Content -}}
    <section class="nested-copy-line-height lh-copy serif f4 nested-links nested-img mid-gray pr4-l w-two-thirds-l">
      {{- .Content -}}
      {{- partial "tags.html" . -}}
      <div class="mt6">
        {{ template "_internal/disqus.html" . }}
      </div>
    </main>
    </section>

    <aside class="w-30-l mt6-l">
      {{- partial "menu-contextual.html" . -}}