diff --git a/apps/eastereggs/__init__.py b/apps/eastereggs/__init__.py
new file mode 100644
index 0000000..f5d007b
--- /dev/null
+++ b/apps/eastereggs/__init__.py
@@ -0,0 +1 @@
+default_app_config = 'eastereggs.apps.EastereggsConfig'
diff --git a/apps/eastereggs/apps.py b/apps/eastereggs/apps.py
new file mode 100644
index 0000000..93a00a2
--- /dev/null
+++ b/apps/eastereggs/apps.py
@@ -0,0 +1,5 @@
+from django.apps import AppConfig
+
+
+class EastereggsConfig(AppConfig):
+    name = 'eastereggs'
diff --git a/apps/eastereggs/migrations/__init__.py b/apps/eastereggs/migrations/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/apps/eastereggs/templates/eastereggs/xp.html b/apps/eastereggs/templates/eastereggs/xp.html
new file mode 100644
index 0000000..00f67b5
--- /dev/null
+++ b/apps/eastereggs/templates/eastereggs/xp.html
@@ -0,0 +1,19 @@
+{% extends "index.html" %}
+
+{% block content %}
+    <div id="index-content"></div>
+{% include "eastereggs/xp_modal.html" %}
+{% endblock %}
+
+{% block extrajavascript %}
+    <script>
+        $(document).ready(function() {
+            $("#index-content").load("{% url "index" %} #content");
+            function displayModal() {
+                $("#xpModal").modal('toggle');
+                setTimeout(displayModal, 400);
+            }
+            displayModal();
+        });
+    </script>
+{% endblock %}
diff --git a/apps/eastereggs/templates/eastereggs/xp_modal.html b/apps/eastereggs/templates/eastereggs/xp_modal.html
new file mode 100644
index 0000000..c456517
--- /dev/null
+++ b/apps/eastereggs/templates/eastereggs/xp_modal.html
@@ -0,0 +1,20 @@
+{% load crispy_forms_filters i18n %}
+
+<div id="xpModal" class="modal fade" tabindex="-1" role="dialog">
+    <div class="modal-dialog" role="document">
+        <div class="modal-content">
+            <div class="modal-header">
+                <h5 class="modal-title">{% trans "Error" %}</h5>
+                <button type="button" class="close" data-dismiss="modal" aria-label="Close">
+                    <span aria-hidden="true">&times;</span>
+                </button>
+            </div>
+            <div class="modal-body">
+                {% trans "This task failed successfully." %}
+            </div>
+            <div class="modal-footer">
+                <button type="button" class="btn btn-secondary" data-dismiss="modal">{% trans "Close" %}</button>
+            </div>
+        </div>
+    </div>
+</div>
\ No newline at end of file
diff --git a/apps/eastereggs/urls.py b/apps/eastereggs/urls.py
new file mode 100644
index 0000000..64200f1
--- /dev/null
+++ b/apps/eastereggs/urls.py
@@ -0,0 +1,8 @@
+from django.urls import path
+from django.views.generic import TemplateView
+
+app_name = "eastereggs"
+
+urlpatterns = [
+    path("xp/", TemplateView.as_view(template_name="eastereggs/xp.html")),
+]
diff --git a/corres2math/settings.py b/corres2math/settings.py
index 26d4e0d..0adc198 100644
--- a/corres2math/settings.py
+++ b/corres2math/settings.py
@@ -60,6 +60,7 @@ INSTALLED_APPS = [
     'rest_framework',
     'rest_framework.authtoken',
 
+    'eastereggs',
     'registration',
     'participation',
 ]
diff --git a/corres2math/urls.py b/corres2math/urls.py
index fc82571..b7b6e3a 100644
--- a/corres2math/urls.py
+++ b/corres2math/urls.py
@@ -29,6 +29,8 @@ urlpatterns = [
     path('api/', include('api.urls')),
     path('participation/', include('participation.urls')),
     path('registration/', include('registration.urls')),
+
+    path('', include('eastereggs.urls')),
 ]
 
 handler400 = bad_request
diff --git a/locale/fr/LC_MESSAGES/django.po b/locale/fr/LC_MESSAGES/django.po
index 2c54ea4..648fa97 100644
--- a/locale/fr/LC_MESSAGES/django.po
+++ b/locale/fr/LC_MESSAGES/django.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: Corres2math\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2020-09-22 20:31+0200\n"
+"POT-Creation-Date: 2020-09-22 21:19+0200\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: Yohann D'ANELLO <yohann.danello@animath.fr>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -21,6 +21,21 @@ msgstr ""
 msgid "API"
 msgstr "API"
 
+#: apps/eastereggs/templates/eastereggs/xp_modal.html:7
+msgid "Error"
+msgstr "Erreur"
+
+#: apps/eastereggs/templates/eastereggs/xp_modal.html:13
+msgid "This task failed successfully."
+msgstr "Cette tâche a échoué avec succès."
+
+#: apps/eastereggs/templates/eastereggs/xp_modal.html:16
+#: apps/participation/templates/participation/create_team_modal.html:16
+#: apps/participation/templates/participation/join_team_modal.html:16
+#: apps/registration/templates/registration/login_modal.html:16
+msgid "Close"
+msgstr "Fermer"
+
 #: apps/logs/apps.py:11
 msgid "Logs"
 msgstr "Logs"
@@ -195,30 +210,26 @@ msgstr "vidéo"
 msgid "videos"
 msgstr "vidéos"
 
-#: apps/participation/templates/participation/create_team.html:10
+#: apps/participation/templates/participation/create_team.html:11
 #: apps/participation/templates/participation/create_team_modal.html:15
 msgid "Create"
 msgstr "Créer"
 
 #: apps/participation/templates/participation/create_team_modal.html:8
-#: templates/base.html:75
+#: apps/participation/views.py:12 templates/base.html:75
 msgid "Create team"
 msgstr "Créer une équipe"
 
-#: apps/participation/templates/participation/create_team_modal.html:16
-#: apps/participation/templates/participation/join_team_modal.html:16
-msgid "Close"
-msgstr "Fermer"
-
-#: apps/participation/templates/participation/join_team_modal.html:8
-#: templates/base.html:80
-msgid "Join team"
-msgstr "Rejoindre une équipe"
-
+#: apps/participation/templates/participation/join_team.html:11
 #: apps/participation/templates/participation/join_team_modal.html:15
 msgid "Join"
 msgstr "Rejoindre"
 
+#: apps/participation/templates/participation/join_team_modal.html:8
+#: apps/participation/views.py:19 templates/base.html:80
+msgid "Join team"
+msgstr "Rejoindre une équipe"
+
 #: apps/registration/forms.py:11
 msgid "role"
 msgstr "rôle"
@@ -353,27 +364,14 @@ msgstr "Merci d'avoir utilisé la plateforme des Correspondances."
 msgid "Log in again"
 msgstr "Se reconnecter"
 
-#: apps/registration/templates/registration/login.html:7
-#: apps/registration/templates/registration/login.html:8
-#: apps/registration/templates/registration/login.html:22
+#: apps/registration/templates/registration/login_modal.html:8
+#: apps/registration/templates/registration/login_modal.html:15
 #: apps/registration/templates/registration/password_reset_complete.html:10
-#: templates/base.html:105
+#: templates/base.html:106 templates/registration/login.html:7
+#: templates/registration/login.html:8 templates/registration/login.html:25
 msgid "Log in"
 msgstr "Connexion"
 
-#: apps/registration/templates/registration/login.html:13
-#, python-format
-msgid ""
-"You are authenticated as %(user)s, but are not authorized to access this "
-"page. Would you like to login to a different account?"
-msgstr ""
-"Vous êtes connectés en tant que %(user)s, mais n'êtes pas autorisés à "
-"accéder à cette page. Voulez-vous vous reconnecter avec un autre compte ?"
-
-#: apps/registration/templates/registration/login.html:23
-msgid "Forgotten your password or username?"
-msgstr "Mot de passe oublié ?"
-
 #: apps/registration/templates/registration/mails/email_validation_email.html:12
 #: apps/registration/templates/registration/mails/email_validation_email.txt:3
 msgid "Hi"
@@ -502,11 +500,11 @@ msgstr "Mail de confirmation de l'adresse mail envoyé"
 msgid "Resend email validation link"
 msgstr "Renvoyé le lien de validation de l'adresse mail"
 
-#: corres2math/settings.py:148
+#: corres2math/settings.py:149
 msgid "English"
 msgstr "Anglais"
 
-#: corres2math/settings.py:149
+#: corres2math/settings.py:150
 msgid "French"
 msgstr "Français"
 
@@ -583,14 +581,27 @@ msgstr "Retourner à l'interface administrateur"
 msgid "Register"
 msgstr "S'inscrire"
 
-#: templates/base.html:109
+#: templates/base.html:111
 msgid "Log out"
 msgstr "Déconnexion"
 
-#: templates/base.html:133
+#: templates/base.html:137
 msgid "Contact us"
 msgstr "Nous contacter"
 
-#: templates/base.html:156
+#: templates/base.html:160
 msgid "Back to top"
 msgstr "Retour en haut"
+
+#: templates/registration/login.html:13
+#, python-format
+msgid ""
+"You are authenticated as %(user)s, but are not authorized to access this "
+"page. Would you like to login to a different account?"
+msgstr ""
+"Vous êtes connectés en tant que %(user)s, mais n'êtes pas autorisés à "
+"accéder à cette page. Voulez-vous vous reconnecter avec un autre compte ?"
+
+#: templates/registration/login.html:23
+msgid "Forgotten your password or username?"
+msgstr "Mot de passe oublié ?"
diff --git a/templates/base.html b/templates/base.html
index b08b694..7488b7f 100644
--- a/templates/base.html
+++ b/templates/base.html
@@ -117,9 +117,11 @@
     <div class="container-fluid my-3" style="max-width: 1600px;">
         {% block contenttitle %}<h1>{{ title }}</h1>{% endblock %}
         <div id="messages"></div>
-        {% block content %}
-            <p>Default content...</p>
-        {% endblock content %}
+        <div id="content">
+            {% block content %}
+                <p>Default content...</p>
+            {% endblock content %}
+        </div>
     </div>
 </main>