Remove content div wrappers. Use grid template columns for main to support stretch and breakout classes.

layouts/micro/summary.html

@@ -1,11 +1,8 @@
 <article class="list-view{{ with .Section }} list-view--{{ . | urlize }}{{ end }}">
 <header>
 <h2 class="hidden">{{ .Title }}</h2>
-<p><a href="{{ .RelPermalink }}">
-{{ partial "author-date" . }}
-</a></p>
+<p><a href="{{ .RelPermalink }}">{{ partial "author-date" . }}</a></p>
 </header>
-<div class="content">
+
 {{ .Content }}
-</div>
 </article>