Add some popups

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>