diff --git a/IPython/html/static/tree/less/tree.less b/IPython/html/static/tree/less/tree.less
index 7425386..83497bb 100644
--- a/IPython/html/static/tree/less/tree.less
+++ b/IPython/html/static/tree/less/tree.less
@@ -82,8 +82,8 @@ ul.breadcrumb {
     background-color: @table-border-color;
   };
   a {text-decoration: none;}
-  &:nth-child(odd) {
-    background-color: @list_stripe_color;
+  &:hover {
+    background-color: darken(white,2%);
   }
 }