Make the container customizable

apps/registration/templates/registration/login.html

@@ -4,6 +4,9 @@ SPDX-License-Identifier: GPL-2.0-or-later
 {% endcomment %}
 {% load i18n crispy_forms_tags static %}
 
+{# Use a fixed-width container #}
+{% block containertype %}container{% endblock %}
+
 {# Change page title without displaying it in header #}
 {% block title %}{% trans "Log in" %}{% endblock %}
 {% block contenttitle %}{% endblock %}

apps/registration/templates/registration/signup.html

@@ -4,9 +4,10 @@
 {% load i18n %}
 {% block title %}{% trans "Sign up" %}{% endblock %}
 
-{% block content %}
-    <h2>{% trans "Sign up" %}</h2>
+{# Use a fixed-width container #}
+{% block containertype %}container{% endblock %}
 
+{% block content %}
     <div class="alert alert-warning">
         {% blocktrans %}If you already signed up, your registration is taken into account. The BDE must validate your account before your can log in. You have to go to the Kfet and pay the registration fee. You must also validate your email address by following the link you received.{% endblocktrans %}
     </div>