diff --git a/fragdenstaat_de/fds_cms/templates/cms/pub_base.html b/fragdenstaat_de/fds_cms/templates/cms/pub_base.html
index 998cafff2..7ec61ed1e 100644
--- a/fragdenstaat_de/fds_cms/templates/cms/pub_base.html
+++ b/fragdenstaat_de/fds_cms/templates/cms/pub_base.html
@@ -1,4 +1,4 @@
-{% extends "cms/page.html" %}
+{% extends "cms/page_breadcrumb.html" %}
 
 {% load i18n %}
 {% load cms_tags %}
@@ -6,64 +6,42 @@
 {% load fds_cms_tags %}
 
 {% block body %}
+  {% page_url request.current_page|get_soft_root as base_url %}
+  {% page_attribute "page_title" request.current_page|get_soft_root as base_title %}
 
-{% page_url request.current_page|get_soft_root as base_url %}
-{% page_attribute "page_title" request.current_page|get_soft_root as base_title %}
-  
-<div class="app bg-body-tertiary">
-    <div class="sticky-top z-3">
-      <nav class="navbar text-bg-highlight">
-        <div class="container d-flex">
-          <a href="{{ base_url }}" title="{{ base_title }}" class="navbar-brand mb-0 d-md-none w-100 text-truncate">{{ base_title }}</a>
-          <a href="{{ base_url }}" class="navbar-brand mb-0 d-none d-md-block">{{ base_title }}</a>
+  <div class="app container-md-full">
+      <div class="row">
+        <div class="col-md-10 col-lg-6 offset-lg-1 mt-3 mb-3 order-md-last">
+          <div id="content" class="container">
+            {% block app_body %}
+              {% placeholder "content" %}
+            {% endblock app_body %}
+          </div>
+        </div>
 
-          <button class="navbar-toggler me-lg-2 ms-xs-0 ms-lg-auto" type="button" data-bs-toggle="collapse" data-bs-target="#chapters" aria-controls="chapters" aria-expanded="false" aria-label="{% translate 'Toggle chapter navigation' %}">
-            <i class="fa fa-list" aria-hidden="true"></i>
-            <span class="d-none d-sm-inline">{% translate "Chapters" %}</span>
-          </button>
+        {% if not request.current_page.soft_root and request.current_page.in_navigation %}
+          <div class="col col-lg-3">
+            <div class="sticky-top z-2 pt-md-1 small">
+              <div class="bg-blue-100 p-3 tight-margin">
+                <p class="text-muted">{% trans "In this chapter:" %}</p>
+                <div id="toc" class="toc"></div>
+              </div>
+
+              <div class="bg-body-tertiary p-3 tight-margin mt-3">
+                <p class="text-muted">{% trans "Chapter overview:" %}</p>
 
-          <form role="search" method="get" action="{{ base_url }}suche/">
-            <div class="input-group d-none d-sm-flex">
-              <input class="form-control form-control-sm" type="text" size="20" name="q" placeholder="{% translate 'Search' %}" aria-label="{% translate 'Search' %}" {% if form %}value="{{ form.cleaned_data.q }}"{% endif %}>
-              <button class="btn btn-sm btn-outline-dark" type="submit">
-                <i class="fa fa-search" aria-hidden="true"></i>
-                <span class="visually-hidden">{% translate "Search" %}</span>
-              </button>
+                <ol class="overflow-auto m-0" style="max-height: 50vh">
+                  {% show_menu 1 100 0 1 %}
+                </ol>
+              </div>
             </div>
-            <button class="btn btn-sm btn-outline-dark d-block d-sm-none" type="submit">
-              <i class="fa fa-search" aria-hidden="true"></i>
-              <span class="visually-hidden">{% translate "Search" %}</span>
-            </button>
-          </form>
-        </div>
-      </nav>
-      <div class="collapse text-bg-highlight" id="chapters">
-        <div class="container">
-          <ol class="pb-2 overflow-auto" style="max-height: 50vh">
-            {% show_menu 1 100 0 1 %}
-          </ol>
-        </div>
-      </div>
-    </div>
-    <div class="container">
-      <div class="row justify-content-center">
-        {% if not request.current_page.soft_root and request.current_page.in_navigation %}
-          <div class="col">
-            <div id="toc" class="sticky-top z-2 toc bg-body-secondary my-3 mx-0 mx-md-3 p-3 small" style="top: 5rem"></div>
           </div>
         {% endif %}
-        <div class="bg-body col-md-10 col-lg-8 order-md-last mt-3 mb-3 ">
-          <div id="content" class="py-3 px-1 py-md-5 px-md-5">
-            {% block app_body %}
-              {% placeholder "content" %}
-            {% endblock %}
-          </div>
-        </div>
       </div>
-    </div>
+    
   </div>
 
   {% static_placeholder "book_pub_footer" %}
 
   {% include "_frontend.html" with entry_point="bookpub.js" %}
-{% endblock %}
+{% endblock body %}