Update '_layouts/home.html'

_layouts/home.html

@@ -21,6 +21,7 @@ layout: default
     {%- if page.list_title -%}
     <section id="grid" class="row flex-grid">
         <article class="post-list">
+          <div>
       <h2 class="post-list-heading">{{ page.list_title }}</h2>
     {%- endif -%}
       {%- assign date_format = site.minima.date_format | default: "%b %-d, %Y" -%}
@@ -36,6 +37,7 @@ layout: default
           <blockquote>{{ post.excerpt }}</blockquote>
         {%- endif -%}
       </li>
+      </div>
         </article>
               {%- endfor -%}
                  </section>