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

    <div class="form-group">
      <label for="entrer_Identifiant_3" class="col-sm-2 control-label">Identifiant</label>
      <div class="col-sm-10">
        <input type="identifiant" class="form-control" id="Entrer_Identifiant_3" placeholder="Votre identifiant">
      </div>
    </div>

    <div class="form-group">

      <label class="sr-only" for="entrer_mot_de_passe_3">Mot de passe</label> <!-- "col-sm-2 control-label" ou "sr-only" -->

      <div class="col-sm-10">
        <input type="mot de passe" class="form-control" id="entrer_mot_de_passe_3" placeholder="Votre mot de passe">
      </div>
    </div>

    <div class="form-group">
      <div class="col-sm-offset-2 col-sm-10">
        <div class="checkbox">
          <label>
            <input type="checkbox"> Rester connecter
          </label>
        </div>
      </div>
    </div>

    <div class="form-group">
      <div class="col-sm-offset-2 col-sm-10">

        <button type="submit" class="btn btn-primary">Se connecter</button> <!-- Il faut ajouter le lien d'identification  -->

      </div>
    </div>

  </form>