fixed post list title

_assets/styles/theme/_layout.scss

@@ -197,6 +197,7 @@
 }
 
 .post-list-heading {
+  margin-top: $spacing-unit * 2;
   @include relative-font-size(1.75);
 }
 

_layouts/home.html

@@ -14,7 +14,8 @@ layout: default
   {% include post_detail.html %}
 
   {%- if site.posts.size > 0 -%}
-    <h2 class="post-list-heading">{{ page.list_title | default: "Posts" }}</h2>
+  <div class="post-list-wrapper">
+    <h2 class="post-list-heading" >{{ page.list_title | default: "Posts" }}</h2>
     <ul class="post-list">
       {%- for post in site.posts -%}
       <li>
@@ -31,6 +32,7 @@ layout: default
       </li>
       {%- endfor -%}
     </ul>
+  </div>
 
     <p class="rss-subscribe">subscribe <a href="{{ "/feed.xml" | relative_url }}">via RSS</a></p>
   {%- endif -%}