diff --git a/agaric/css/agaric.css b/agaric/css/agaric.css
index dc29cae..4ad1587 100644
--- a/agaric/css/agaric.css
+++ b/agaric/css/agaric.css
@@ -7299,7 +7299,7 @@ iframe {
   margin-left: auto;
   margin-right: auto; }
 
-.flow.content {
+.flow.content.comment-form {
   width: 100%; }
 
 @font-face {
diff --git a/agaric/sass/agaric/_layout.flow.scss b/agaric/sass/agaric/_layout.flow.scss
index 7140091..e6372ea 100644
--- a/agaric/sass/agaric/_layout.flow.scss
+++ b/agaric/sass/agaric/_layout.flow.scss
@@ -111,8 +111,8 @@
 }
 
 // Adding this so the comment box at the bottom isn't unnaturally small.
-// This perhaps should be more precisely targeted, or more generally.
+// Applying more generally breaks node content layout.
 
-.flow.content {
+.flow.content.comment-form {
   width: 100%;
 }
diff --git a/agaric/templates/field/field--comment.html.twig b/agaric/templates/field/field--comment.html.twig
index 76754d7..9d07b0c 100644
--- a/agaric/templates/field/field--comment.html.twig
+++ b/agaric/templates/field/field--comment.html.twig
@@ -56,7 +56,7 @@
 
   {% if comment_form %}
   <div class="media media-comment">
-    <div class="flow content">
+    <div class="flow content comment-form">
       <div class="flow_middle">
         <h3 class="subtitle" id="comment-form">{{ 'Add new comment'|t }}</h3>
         {{ comment_form }}