diff --git a/jdav_web/templates/admin/edit_inline/stacked.html b/jdav_web/templates/admin/edit_inline/stacked.html
index f797e82..a6939f4 100644
--- a/jdav_web/templates/admin/edit_inline/stacked.html
+++ b/jdav_web/templates/admin/edit_inline/stacked.html
@@ -1 +1,38 @@
 {% load i18n admin_urls %}
+<div class="js-inline-admin-formset inline-group"
+     id="{{ inline_admin_formset.formset.prefix }}-group"
+     data-inline-type="stacked"
+     data-inline-formset="{{ inline_admin_formset.inline_formset_data }}">
+<fieldset class="module {{ inline_admin_formset.classes }}" aria-labelledby="{{ inline_admin_formset.formset.prefix }}-heading">
+  {% if inline_admin_formset.is_collapsible %}<details><summary>{% endif %}
+  <h2 id="{{ inline_admin_formset.formset.prefix }}-heading" class="inline-heading">
+  {% if inline_admin_formset.formset.max_num == 1 %}
+    {{ inline_admin_formset.opts.verbose_name|capfirst }}
+  {% else %}
+    {{ inline_admin_formset.opts.verbose_name_plural|capfirst }}
+  {% endif %}
+  </h2>
+  {% if inline_admin_formset.is_collapsible %}</summary>{% endif %}
+{{ inline_admin_formset.formset.management_form }}
+{{ inline_admin_formset.formset.non_form_errors }}
+
+{% for inline_admin_form in inline_admin_formset %}<div class="inline-related{% if inline_admin_form.original or inline_admin_form.show_url %} has_original{% endif %}{% if forloop.last and inline_admin_formset.has_add_permission %} empty-form last-related{% endif %}" id="{{ inline_admin_formset.formset.prefix }}-{% if forloop.last and inline_admin_formset.has_add_permission %}empty{% else %}{{ forloop.counter0 }}{% endif %}">
+  <h3><b>{{ inline_admin_formset.opts.verbose_name|capfirst }}:</b> <span class="inline_label">{% if inline_admin_form.original %}{{ inline_admin_form.original }}{% if inline_admin_form.model_admin.show_change_link and inline_admin_form.model_admin.has_registered_model %} <a href="{% url inline_admin_form.model_admin.opts|admin_urlname:'change' inline_admin_form.original.pk|admin_urlquote %}" class="{{ inline_admin_formset.has_change_permission|yesno:'inlinechangelink,inlineviewlink' }}">{% if inline_admin_formset.has_change_permission %}{% translate "Change" %}{% else %}{% translate "View" %}{% endif %}</a>{% endif %}
+{% else %}#{{ forloop.counter }}{% endif %}</span>
+      {% if inline_admin_form.show_url %}<a href="{{ inline_admin_form.absolute_url }}">{% translate "View on site" %}</a>{% endif %}
+    {% if inline_admin_formset.formset.can_delete and inline_admin_formset.has_delete_permission and inline_admin_form.original %}<span class="delete">{{ inline_admin_form.deletion_field.field }} {{ inline_admin_form.deletion_field.label_tag }}</span>{% endif %}
+  </h3>
+  {% if inline_admin_form.form.non_field_errors %}{{ inline_admin_form.form.non_field_errors }}{% endif %}
+
+  {% with parent_counter=forloop.counter0 %}
+    {% for fieldset in inline_admin_form %}
+      {% include "admin/includes/fieldset.html" with heading_level=4 prefix=fieldset.formset.prefix id_prefix=parent_counter id_suffix=forloop.counter0 %}
+    {% endfor %}
+  {% endwith %}
+
+  {% if inline_admin_form.needs_explicit_pk_field %}{{ inline_admin_form.pk_field.field }}{% endif %}
+  {% if inline_admin_form.fk_field %}{{ inline_admin_form.fk_field.field }}{% endif %}
+</div>{% endfor %}
+  {% if inline_admin_formset.is_collapsible %}</details>{% endif %}
+</fieldset>
+</div>