<link href="//netdna.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css"> <script src="//netdna.bootstrapcdn.com/bootstrap/3.2.0/js/bootstrap.min.js"></script> <script src="//code.jquery.com/jquery-1.11.1.min.js"></script> <!------ Include the above in your HEAD tag ----------> <div class="container"> <div class="row"> <h2>Testando o snippet</h2> </div> <div class="row2"> <h1>1</h1> <button type="button" class="btn btn-default btn-circle"><i class="glyphicon glyphicon-ok"></i></button> <h1>2</h1> <button type="button" class="btn btn-primary btn-circle"><i class="glyphicon glyphicon-list"></i></button> <h1>3</h1> <button type="button" class="btn btn-success btn-circle"><i class="glyphicon glyphicon-link"></i></button> <h1>4</h1> <button type="button" class="btn btn-info btn-circle"><i class="glyphicon glyphicon-ok"></i></button> <h1>5</h1> <button type="button" class="btn btn-warning btn-circle"><i class="glyphicon glyphicon-remove"></i></button> <h1>6</h1> <button type="button" class="btn btn-danger btn-circle"><i class="glyphicon glyphicon-heart"></i></button> <h1>7</h1> </div> </div>