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                <div class="text-center" style="margin-top: 50px;">
  <button class="btn btn-primary" data-target="#modal" data-toggle="modal">Open</button>
<div id="modal" class="modal fade" tabindex="-1" role="dialog">
  <div class="modal-dialog" role="document">
    <div class="modal-content">
      <div class="modal-header">
        <button type="button" class="close" data-dismiss="modal" aria-label="Close">
          <span aria-hidden="true">&times;</span>
        <h4 class="modal-title">Modal title</h4>
      <div class="modal-body">
        <p>One fine body&hellip;</p>
        <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Cum esse minus nostrum enim aut voluptas saepe consequatur vel accusamus incidunt, maxime eius quas iste voluptatum ex repellat nihil quis consectetur!</p>
      <div class="modal-footer">
        <div id="collapse-actions" class="collapse in">
          <button type="button" class="btn btn-default pull-left" data-toggle="collapse" data-target="#collapse-actions, #collapse-confirmation">Cancel</button>
          <button type="button" class="btn btn-primary">Save changes</button>
        <div id="collapse-confirmation" class="collapse text-center">
          <p>Êtes-vous sûr de vouloir annuler ?</p>
          <button class="btn btn-xs btn-default" data-toggle="collapse" data-target="#collapse-actions, #collapse-confirmation">Non</button>
          <button class="btn btn-xs btn-default" data-dismiss="modal">Oui</button>




                $('#modal').on('', function (e) {