trybs_ref_glyph_unchecked&stacked=h 在线代码实例

 <div class="container">
      <h2>Unchecked Glyph</h2>
      <p>Unchecked icon: <span class="glyphicon glyphicon-unchecked"></span></p>    
      <p>Unchecked icon as a link:
        <a href="#">
          <span class="glyphicon glyphicon-unchecked"></span>
        </a>
      </p>
      <p>Unchecked icon on a button:
        <button type="button" class="btn btn-default btn-sm">
          <span class="glyphicon glyphicon-unchecked"></span> Unchecked
        </button>
      </p>
      <p>Unchecked icon on a styled link button:
        <a href="#" class="btn btn-info btn-lg">
          <span class="glyphicon glyphicon-unchecked"></span> Unchecked
        </a>
      </p> 
    </div>

    <script src="//apps.bdimg.com/libs/jquery/2.1.1/jquery.min.js"></script>
    <script src="//apps.bdimg.com/libs/bootstrap/3.3.0/js/bootstrap.min.js"></script>