examples/bootstrap/glyphicons.html
<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=yes">
  <link href="css/bootstrap.min.css" rel="stylesheet">
</head>
<body>
<div class="container">
  <div class="row">
      <div class="col-md-12">

    glyphicon-search: <span class="glyphicon glyphicon-search" aria-hidden="true"></span><br>


    <div>
    btn-default btn-lg:
    <button type="button" class="btn btn-default btn-lg" aria-label="Left Align">
        <span class="glyphicon glyphicon-align-left" aria-hidden="true"></span>
    </button>
    </div>

    <div>
    btn-default:
    <button type="button" class="btn btn-default" aria-label="Right Align">
        <span class="glyphicon glyphicon-align-right" aria-hidden="true"></span>
    </button>

    <button type="button" class="btn btn-default" aria-label="Center Align">
        <span class="glyphicon glyphicon-align-center" aria-hidden="true"></span>
    </button>
    </div>

    <div>
    btn-default btn-xs:
    <button type="button" class="btn btn-default btn-xs" aria-label="Justify Align">
        <span class="glyphicon glyphicon-align-justify" aria-hidden="true"></span>
    </button>
    </div>

    <p>

    <button type="button" class="btn btn-default btn-lg">
       <span class="glyphicon glyphicon-star" aria-hidden="true"></span> Star
    </button>

      </div>
  </div>
</div>

</body>
</html>