发布帖子按钮的样式调整

app/views/boards/_course_new.html.erb

@@ -39,6 +39,7 @@
             <%= render :partial => 'attachments/form_course', :locals => {:container => topic, :isReply => @isReply} %>
           </div>
         </div>
+        <div class="cl"></div>
         <div class="mt5">
           <%if !edit_mode %>
               <a href="javascript:void(0);" class="BlueCirBtnMini fr" onclick="submit_topic();">确定</a>