个人主页--首页显示不全，右下角也应该显示展开按钮

app/views/blogs/_homepage.html.erb

@@ -43,6 +43,8 @@
       <%=render :partial =>"users/intro_content", :locals=>{:user_activity_id =>user_activity_id, :content=>activity.content} %>
       
       <div class="cl"></div>
+      <div id="intro_content_show_<%= user_activity_id%>" class="fr" style="display:none;"><a href="javascript:void(0);" class="linkBlue">[展开]</a></div>
+      <div id="intro_content_hide_<%= user_activity_id%>" class="fr" style="display:none;"><a href="javascript:void(0);" class="linkBlue">[收起]</a></div>
     </div>
     <div class="cl"></div>
   </div>