Minified fuzzy last edit date style.

Shares the style of the posted timestamp above the author card.

app/views/posts/_expanded.html.erb

@@ -132,10 +132,12 @@
               <% end %>
               <% if been_edited %>
                 <i class="fa fa-pencil-alt" title="Edited"></i>
+                <span class="has-color-tertiary">
                 <%= time_ago_in_words(post.last_activity, locale: :en_abbrev) %> ago
                 <% if ! last_edited_by_self %>
                   by <%= link_to post.last_activity_by.username, user_path(post.last_activity_by_id) %>
                 <% end %>
+                </span>
               <% end %>
             </div>
           <% end %>