<form class="form-horizontal">
<fieldset>

<!-- Form Name -->
<legend>Contato</legend>

<!-- Text input-->
<div class="form-group">
  <label class="col-md-4 control-label" for="nome">Nome</label>
  <div class="col-md-4">
  <input id="nome" name="nome" type="text" placeholder="Nome" class="form-control input-md" required="">
  <span class="help-block">Informe seu nome.</span>
  </div>
</div>

<!-- Text input-->
<div class="form-group">
  <label class="col-md-4 control-label" for="email">E-Mail</label>
  <div class="col-md-4">
  <input id="email" name="email" type="text" placeholder="exemplo@nuti.com.br" class="form-control input-md" required="">
  <span class="help-block">Informe seu e-mail.</span>
  </div>
</div>

<!-- Text input-->
<div class="form-group">
  <label class="col-md-4 control-label" for="telefone">Telefone</label>
  <div class="col-md-4">
  <input id="telefone" name="telefone" type="text" placeholder="xxxxx-xxxx" class="form-control input-md" required="">
  <span class="help-block">Informe seu Telefone.</span>
  </div>
</div>

<!-- Multiple Radios -->
<div class="form-group">
  <label class="col-md-4 control-label" for="cursos">Cursos</label>
  <div class="col-md-4">
  <div class="radio">
    <label for="cursos-0">
      <input type="radio" name="cursos" id="cursos-0" value="sistemas" checked="checked">
      Sistemas
    </label>
    </div>
  <div class="radio">
    <label for="cursos-1">
      <input type="radio" name="cursos" id="cursos-1" value="hardware">
      Hardware
    </label>
    </div>
  <div class="radio">
    <label for="cursos-2">
      <input type="radio" name="cursos" id="cursos-2" value="web">
      Web
    </label>
    </div>
  </div>
</div>

<!-- Button -->
<div class="form-group">
  <label class="col-md-4 control-label" for="enviar"></label>
  <div class="col-md-4">
    <button id="enviar" name="enviar" class="btn btn-primary">Enviar</button>
  </div>
</div>

</fieldset>
</form>