diff --git a/static/usage/v6/textarea/autogrow/demo.html b/static/usage/v6/textarea/autogrow/demo.html
index c46003317cd..4ef94ba9372 100644
--- a/static/usage/v6/textarea/autogrow/demo.html
+++ b/static/usage/v6/textarea/autogrow/demo.html
@@ -11,6 +11,8 @@
 
     <style>
       .container {
+        display: block;
+
         padding: 0 40px;
       }
 
diff --git a/static/usage/v7/textarea/autogrow/demo.html b/static/usage/v7/textarea/autogrow/demo.html
index bccc88fbd8f..41e7543fd07 100644
--- a/static/usage/v7/textarea/autogrow/demo.html
+++ b/static/usage/v7/textarea/autogrow/demo.html
@@ -11,6 +11,8 @@
 
     <style>
       .container {
+        display: block;
+
         padding: 0 40px;
       }