diff --git a/threadr/style.css b/threadr/style.css
index ddd8ba0..b7b7a58 100644
--- a/threadr/style.css
+++ b/threadr/style.css
@@ -79,6 +79,10 @@ body {
   font-size: 1em;
 }
 
+body.iframe {
+  margin: 5px;
+}
+
 p {
   font-family: monospace;
   color: #001858;