fix webmentions placement

themes/saturn/layouts/blog/single.html

@@ -1,4 +1,5 @@
 {{ define "main" }}
+<section class="content">
     <article class="h-entry content">
         <h1 class="p-name">{{ .Title }}</h1>
         <a class="p-author h-card hidden" href="https://yequari.com">yequari</a>
@@ -10,4 +11,5 @@
         </div>
     </article>
     <div id="webmentions"></div>
+</section>
 {{ end }}