Use a header on lists now that the gaps have been fixed.

layouts/_default/list.html

@@ -2,7 +2,7 @@
     {{ $paginator := .Paginate .Data.Pages }}
 
     <main class="posts">
-        <!--<h2>--><strong>{{ .Title }}</strong><!--</h2>-->
+        <h1>{{ .Title }}</h1>
         {{ if .Params.subtitle }}
         <pre>{{ .Params.subtitle }}</pre>
         {{ end }}