fix learning objects horizontal view

app/views/learning_objects/_learning_object_horizontal.erb

 <% link = learning_object_path(id: learning_object.id) %>
 <div class="learning-object-horizontal">
   <div class="media">
-    <div class="media-left media-middle">
+    <div class="media-left media-top">
       <div class="learning-object-thumbnail">
         <%= link_to link do
           learning_object_thumbnail learning_object
@@ -26,7 +26,7 @@
           <br/>
       <% end %>
       <br/>
-      <b><%= ("Em " + show_categories(learning_object.categories)) unless learning_object.categories.nil? %></b>
+      <b><%#= ("Em " + show_categories(learning_object.categories)) unless learning_object.categories.nil? %></b>
     </div>
   </div>
 </div>