diff --git a/taccsite_cms/templates/base.html b/taccsite_cms/templates/base.html
index 161a10bb7..e8fea82a3 100755
--- a/taccsite_cms/templates/base.html
+++ b/taccsite_cms/templates/base.html
@@ -70,15 +70,22 @@
   <main id="cms-content">
   {% block content %}
 
-    {# To allow extra Container in page structure by hiding extra padding #}
+    {# To hide extra space that a nested/redundant Container would add #}
     <style type="text/css">
-      .container > .s-breadcrumbs + .container { padding-inline: 0; }
+      #cms-content-container.container .container { padding-inline: 0; }
     </style>
-
-    {# To wrap breadcrumbs in Container without relying on CMS editor #}
-    <div class="container">
-      {% include "nav_cms_breadcrumbs.html" %}
-      {% placeholder "content" %}
+    {# To wrap content in Container without relying on CMS editor #}
+    <div class="container" id="cms-content-container">
+      {% block breadcrumbs %}
+        {% include "nav_cms_breadcrumbs.html" %}
+      {% endblock breadcrumbs %}
+
+      {% block cms_content %}
+        {% placeholder "content" %}
+      {% endblock cms_content %}
+
+      {# To isolate content editor cannot change layout of (e.g. Blog) #}
+      {% block app_content %}{% endblock app_content %}
     </div>
 
   {% endblock content %}
diff --git a/taccsite_cms/templates/djangocms_blog/base.html b/taccsite_cms/templates/djangocms_blog/base.html
index 4e4688fb7..3ed1dc497 100644
--- a/taccsite_cms/templates/djangocms_blog/base.html
+++ b/taccsite_cms/templates/djangocms_blog/base.html
@@ -13,7 +13,13 @@
     {% endif %}
 {% endblock meta %}
 
-{% block content %}
+{# TACC (to not let editor add content to every blog page): #}
+{% block cms_content %}{% endblock cms_content %}
+{# /TACC #}
+
+{# TACC (to not let blog usurp `{% block "content" %}`): #}
+{% block app_content %}
+{# /TACC #}
 
 {% if settings.TACC_CORE_STYLES_VERSION == 0 %}
 <link rel="stylesheet" href="{% static 'site_cms/css/build/site.app.blog.css' %}">
@@ -33,4 +39,6 @@
     {% block content_blog %}{% endblock %}
 </div>
 
-{% endblock content %}
+{# TACC (to not let blog usurp `{% block "content" %}`): #}
+{% endblock app_content %}
+{# /TACC #}
diff --git a/taccsite_cms/templates/djangocms_blog/post_detail.html b/taccsite_cms/templates/djangocms_blog/post_detail.html
index 28929a86f..87add62d3 100644
--- a/taccsite_cms/templates/djangocms_blog/post_detail.html
+++ b/taccsite_cms/templates/djangocms_blog/post_detail.html
@@ -3,12 +3,7 @@
 {% load i18n easy_thumbnails_tags cms_tags blog_post_use_custom_media blog_post_is_show_abstract %}
 
 {% block content_blog %}{% spaceless %}
-{# TACC (wrap and add breadcrumbs): #}
 
-<section class="container">
-{% include "nav_cms_breadcrumbs.html" %}
-
-{# /TACC #}
 {# TACC (define whether this is a special post): #}
 {% blog_post_use_custom_media post settings.PORTAL_BLOG_CUSTOM_MEDIA_POST_CATEGORY as use_custom_media %}
 {% blog_post_is_show_abstract post settings.PORTAL_BLOG_SHOW_ABSTRACT_TAG as is_show_abstract_post %}
@@ -88,9 +83,6 @@ <h3>{% render_model post "subtitle" %}</h3>
     {% endif %}
 </article>
 {# TACC (end wrap and end spaceless-ness later than source): #}
-
-</section>
 {% endspaceless %}
-
 {# /TACC #}
 {% endblock content_blog %}
diff --git a/taccsite_cms/templates/djangocms_blog/post_list.html b/taccsite_cms/templates/djangocms_blog/post_list.html
index 921ec7cb5..1d7aa3010 100644
--- a/taccsite_cms/templates/djangocms_blog/post_list.html
+++ b/taccsite_cms/templates/djangocms_blog/post_list.html
@@ -5,10 +5,6 @@
 {% block canonical_url %}<link rel="canonical" href="{{ view.get_view_url }}"/>{% endblock canonical_url %}
 
 {% block content_blog %}
-{# TACC (wrap list in container w/ breadcrumbs to mimic other page layouts): #}
-<div class="container">
-{% include "nav_cms_breadcrumbs.html" %}
-{# /TACC #}
 
 <section class="blog-list">
     {% block blog_title %}
@@ -82,8 +78,5 @@ <h2>
     {% endif %}
 </section>
 
-{# TACC (wrap list in container w/ breadcrumbs to mimic other page layouts): #}
-</div>
-{# /TACC #}
 {% endblock %}
 {% endspaceless %}
diff --git a/taccsite_cms/templates/fullwidth.html b/taccsite_cms/templates/fullwidth.html
index 9d9155095..57d83af0e 100755
--- a/taccsite_cms/templates/fullwidth.html
+++ b/taccsite_cms/templates/fullwidth.html
@@ -5,5 +5,8 @@
 
 {# To remove container and breadcrumbs #}
 {% block content %}
-{% placeholder "content" %}
+  {% block cms_content %}
+    {% placeholder "content" %}
+  {% endblock cms_content %}
+  {% block app_content %}{% endblock app_content %}
 {% endblock content %}
diff --git a/taccsite_custom b/taccsite_custom
index e55bfc8c9..e8081e68c 160000
--- a/taccsite_custom
+++ b/taccsite_custom
@@ -1 +1 @@
-Subproject commit e55bfc8c91ccc7520fd38633a1bdf6dc4b7d18cb
+Subproject commit e8081e68c77006aeb1f219c320b6c4a62f25f9d1