Validate emails

templates/registration/email_validation_email_sent.html

@@ -1,7 +1,18 @@
 {% extends "base.html" %}
+{% comment %}
+SPDX-License-Identifier: GPL-3.0-or-later
+{% endcomment %}
+{% load i18n %}
 
 {% block content %}
-<h2>Account Activation</h2>
-
-An email has been sent. Please click on the link to activate your account.
-{% endblock %}
+<div class="card bg-light">
+    <h3 class="card-header text-center">
+        {% trans "Account activation" %}
+    </h3>
+    <div class="card-body">
+        <p>
+            {% trans "An email has been sent. Please click on the link to activate your account." %}
+        </p>
+    </div>
+</div>
+{% endblock %}