diff --git a/apps/registration/templates/registration/login.html b/apps/registration/templates/registration/login.html
index 7cdec5b3..d22203ef 100644
--- a/apps/registration/templates/registration/login.html
+++ b/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 %}
diff --git a/apps/registration/templates/registration/signup.html b/apps/registration/templates/registration/signup.html
index 76f88a49..31134d73 100644
--- a/apps/registration/templates/registration/signup.html
+++ b/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>
diff --git a/note_kfet/templates/base.html b/note_kfet/templates/base.html
index e50defcb..461d9593 100644
--- a/note_kfet/templates/base.html
+++ b/note_kfet/templates/base.html
@@ -167,7 +167,7 @@ SPDX-License-Identifier: GPL-3.0-or-later
             </ul>
         </div>
     </nav>
-    <div class="container-fluid my-3" style="max-width: 1600px;">
+    <div class="{% block containertype %}container-fluid{% endblock %} my-3">
         {% if request.user.is_authenticated and not request.user.profile.email_confirmed %}
             <div class="alert alert-warning">
                 {% trans "Your e-mail address is not validated. Please check your mail inbox and click on the validation link." %}