min spacing on date in post list

templates/posts.html

@@ -8,7 +8,7 @@
   <h1>Latest Posts</h1>
   {% for post in posts %}
     <div class="post-list-item">
-      <span>{{post.date}}</span>
+      <span class="post-date">{{post.date}}</span>
       <span><a href="{{post.url()}}">{{post.title}}</a></span>
     </div>
   {% endfor %}