change CAS template for #133

note_kfet/templates/cas/warn.html

@@ -0,0 +1,19 @@
+{% extends "base.html" %}
+{% comment %}
+Copyright (C) by BDE ENS-Paris-Saclay
+SPDX-License-Identifier: GPL-3.0-or-later
+{% endcomment %}
+{% load i18n static %}
+
+{% block content %}
+  <div class="card bg-light mx-auto" style="max-width: 30rem;">
+    <div class="card-body">
+      <form class="form-signin" method="post">
+	{% csrf_token %}
+	{% include "cas_server/bs4/form.html" %}
+	<button class="btn btn-primary btn-block btn-lg" type="submit">{% trans "Connect to the service" %}</button>
+      </form>
+    </div>
+  </div>
+{% endblock %}
+