Cards for activity templates

apps/activity/templates/activity/activity_form.html

@@ -1,11 +1,21 @@
 {% extends "base.html" %}
-{% load static %}
-{% load i18n %}
-{% load crispy_forms_tags %}
+{% comment %}
+SPDX-License-Identifier: GPL-3.0-or-later
+{% endcomment %}
+{% load i18n crispy_forms_tags %}
+{% block contenttitle %}{% endblock %}
+
 {% block content %}
-<form method="post">
-{% csrf_token %}
-{{form|crispy}}
-<button class="btn btn-primary" type="submit">{% trans "Submit" %}</button>
-</form>
-{% endblock %}
+<div class="card bg-white mb-3">
+  <h3 class="card-header text-center">
+    {{ title }}
+  </h3>
+  <div class="card-body">
+    <form method="post">
+      {% csrf_token %}
+      {{ form|crispy }}
+      <button class="btn btn-primary" type="submit">{% trans "Submit" %}</button>
+    </form>
+  </div>
+</div>
+{% endblock %}