<link href="//netdna.bootstrapcdn.com/bootstrap/3.0.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css"> <script src="//netdna.bootstrapcdn.com/bootstrap/3.0.0/js/bootstrap.min.js"></script> <script src="//code.jquery.com/jquery-1.11.1.min.js"></script> <!------ Include the above in your HEAD tag ----------> <!-- Newsletter --> <section id="newsletter"> <div class="container"> <hgroup> <h2>Newsletter</h2> <h3>Receba nossas novidades</h3> </hgroup> <form class="row" method="post" action="#newsletter"> <div class="col-md-3"> <input name="name" type="text" class="form-control form-control-md" placeholder="Nome" required> </div> <div class="col-md-3"> <input name="lastname" type="text" class="form-control form-control-md" placeholder="Sobrenome" required> </div> <div class="col-md-3"> <input type="text" name="email" type="email" class="form-control form-control-md" placeholder="Email" required> </div> <div class="col-md-3"> <button type="submit" name="submit" class="btn btn-action btn-md btn-block">Cadastrar</button> </div> </form> </div> </section> <!-- Newsletter Message --> <div class="container"> <div class="alert"></div> </div>