Use a different value for overflow-clip-margin
diff --git a/html/rendering/replaced-elements/embedded-content/embedded-content-styles.html b/html/rendering/replaced-elements/embedded-content/embedded-content-styles.html
index 9b3a171..4540810 100644
--- a/html/rendering/replaced-elements/embedded-content/embedded-content-styles.html
+++ b/html/rendering/replaced-elements/embedded-content/embedded-content-styles.html
@@ -27,7 +27,7 @@
 
 iframe, object, embed {
   overflow: auto;
-  overflow-clip-margin: border-box;
+  overflow-clip-margin: 5px;
 }
 </style>