diff --git a/wp-content/themes/twentyten/style.css b/wp-content/themes/twentyten/style.css
index 222b75aa19..2ba6e7c4b0 100644
--- a/wp-content/themes/twentyten/style.css
+++ b/wp-content/themes/twentyten/style.css
@@ -354,6 +354,7 @@ a:hover {
 	clear: both;
 	border-top: 4px solid #000;
 	display: block;
+	border-bottom: 1px solid #000;
 }