diff --git a/css/theme_right.css.php b/css/theme_right.css.php
index 7d76a9b0c..47d6d8141 100644
--- a/css/theme_right.css.php
+++ b/css/theme_right.css.php
@@ -141,6 +141,10 @@ table td {
     border: 1px solid black;
 }
 
+table.navigation td {
+    border: none;
+}
+
 img,
 input,
 select,