title: make btn color to btn-info in toggled navbar
body: <p>I want btn in navbar (which appeared only toggled) get btn-info color.<br><br>
  I add a btn-info class,
  <br>btn's text color changed to white
  <br>and btn color was unchanged.
  <br><br>
  I used default bootstrap 3 css.
  <br><br>
  <a href="http://www.bootply.com/104506" rel="nofollow">bootply - click mobile view</a></p>
  
  <pre><code>    &lt;a class="btn btn-info navbar-toggle" value="Page" href="javascript:win_memo('', '&lt;?=$member[mb_id]?&gt;', '&lt;?=$_SERVER[SERVER_NAME]?&gt;');" onfocus="this.blur()"&gt;
          &lt;i class="glyphicon glyphicon-envelope"&gt;&lt;sup style="margin-left:3px;"&gt;&lt;?=$member[mb_memo_unread]?&gt;&lt;/sup&gt;&lt;/i&gt;
      &lt;/a&gt;
  </code></pre>