diff --git a/agaric/templates/field/field--comment.html.twig b/agaric/templates/field/field--comment.html.twig
index 2e1d9bc..72a1b76 100644
--- a/agaric/templates/field/field--comment.html.twig
+++ b/agaric/templates/field/field--comment.html.twig
@@ -49,8 +49,12 @@
     </div>
 
   {% if comment_form %}
-    <h3 class="subtitle" id="comment-form">{{ 'Add new comment'|t }}</h3>
-    {{ comment_form }}
+    <div class="flow content">
+      <div class="flow_middle">
+        <h3 class="subtitle" id="comment-form">{{ 'Add new comment'|t }}</h3>
+        {{ comment_form }}
+      </div>
+    </div>
   {% endif %}
   </div>