diff --git a/normalize.css b/normalize.css
index 192eb9c..284d7fc 100644
--- a/normalize.css
+++ b/normalize.css
@@ -53,7 +53,7 @@ h1 {
 hr {
   box-sizing: content-box; /* 1 */
   height: 0; /* 1 */
-  overflow: visible; /* 2 */
+  overflow: hidden; /* 2 */
 }
 
 /**