<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>
<div class="container">
<div class="row">
<div class="col-lg-4">
</div>
<div class="col-lg-4">
<h2 class="text-muted">Se connecter</h2>
<form action="" method="post">
<div class="form-group">
<input type="text" class="form-control" placeholder="Identifiant de l'annuaire">
</div>
<div class="form-group">
<input type="password" class="form-control" placeholder="Mot de passe de l'annuaire">
</div>
<div class="form-group">
<input type="submit" class="btn btn-success" value="Se connecter">
</div>
</form>
</div>
</div>
</div>
