<link href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//maxcdn.bootstrapcdn.com/bootstrap/3.3.0/js/bootstrap.min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<div class="col-md-6 col-md-offset-3">
<div class="block-btn">
<button type="button" class="btn btn-success btn-sm btn-block" data-toggle="modal" data-target="#modal_show"><i class="fa fa-plus"></i> Afficher modal</button>
</div>
</div>
<div class="modal fade" tabindex="-1" role="dialog" id="modal_show">
<div class="modal-dialog modal-lg" role="document">
<div class="modal-content">
<div class="modal-header">
<h6>Ajouter un partenaire</h6>
</div>
<div class="modal-body">
<form method="POST" action="#" name="form_modal" id="form_modal">
<div class="row">
<div class="col-xs-6 col-sm-6 col-md-6">
<div class="form-group">
<label for="nom">Nom</label>
<input type="text" name="nom" id="nom" required="required" class="form-control input-sm" value="">
</div>
</div>
<div class="col-xs-6 col-sm-6 col-md-6">
<div class="form-group">
<label for="adresse">Adresse</label>
<input type="text" name="adresse" id="adresse" required="required" class="form-control input-sm" value="">
</div>
</div>
</div>
<div class="row">
<div class="col-xs-6 col-sm-6 col-md-6">
<div class="form-group">
