<link href="//netdna.bootstrapcdn.com/bootstrap/3.1.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//netdna.bootstrapcdn.com/bootstrap/3.1.0/js/bootstrap.min.js"></script>
<script src="//code.jquery.com/jquery-1.11.1.min.js"></script>
<form class="form-horizontal">
<fieldset>
<legend>Cadastro do Usuário</legend>
<div class="form-group">
<label class="col-md-4 control-label" for="idNome">Nome</label>
<div class="col-md-5">
<input id="idNome" name="idNome" type="text" placeholder="Nome do usuaário" class="form-control input-md" required="">
</div>
</div>
<div class="form-group">
<label class="col-md-4 control-label" for="idDepto">Departamento</label>
<div class="col-md-5">
<input id="idDepto" name="idDepto" type="text" placeholder="Nome do departamento" class="form-control input-md" required="">
</div>
</div>
<div class="form-group">
<label class="col-md-4 control-label" for="idUsuario">Usuário</label>
<div class="col-md-5">
<input id="idUsuario" name="idUsuario" type="text" placeholder="Login do usuario" class="form-control input-md" required="">
</div>
</div>