From 070d9ace2edf92445469d4bafb1e07ced333ac6d Mon Sep 17 00:00:00 2001
From: Jonathan Frederic <jon.freder@gmail.com>
Date: Tue, 23 Dec 2014 12:51:12 -0800
Subject: [PATCH] Remove underline header collapse links

---
 IPython/html/static/tree/less/tree.less | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/IPython/html/static/tree/less/tree.less b/IPython/html/static/tree/less/tree.less
index b936c020e..2a880b2c0 100644
--- a/IPython/html/static/tree/less/tree.less
+++ b/IPython/html/static/tree/less/tree.less
@@ -192,6 +192,10 @@ ul#new-menu {
                 padding-left: @dashboard_lr_pad;
                 padding-right: @dashboard_lr_pad;
                 line-height: @btn_mini_height;
+                
+                a:focus, a:hover {
+                    text-decoration: none;
+                }
             }
 
             .panel-body {