<span class="label label-default">Default</span>
<span class="label label-primary">Primary</span>
<span class="label label-success">Success</span>
<span class="label label-info">Info</span>
<span class="label label-warning">Warning</span>
<span class="label label-danger">Danger</span>

  <ul class="nav nav-pills">
      <li class="active"><a href="#">Home <span class="badge">42</span></a></li>
      <li><a href="#">Profile</a></li>
      <li><a href="#">Messages <span class="badge">3</span></a></li>
    </ul>
    <br>
    <ul class="nav nav-pills nav-stacked" style="max-width: 260px;">
      <li class="active">
        <a href="#">
          <span class="badge pull-right">42</span>
          Home
        </a>
      </li>
      <li><a href="#">Profile</a></li>
      <li>
        <a href="#">
          <span class="badge pull-right">3</span>
          Messages
        </a>
      </li>
    </ul>
    <br>
    <button class="btn btn-primary" type="button">
      Messages <span class="badge">4</span>
    </button>