WIP: reconstruct layouts

* page-comments-row

resource/styles/scss/_comment_crowi-plus.scss

@@ -28,7 +28,7 @@
 
   .page-comments-row {
     border-top: 5px solid #f0f0f0;
-    margin: 30px 16px;
+    margin: 30px 0px;
   }
 
   .page-comments {