From d6be4e6396fad2a04d52e11125ef55888dc6a470 Mon Sep 17 00:00:00 2001
From: Piro / YUKI Hiroshi <piro.outsider.reflex@gmail.com>
Date: Sat, 21 Feb 2015 03:27:37 +0900
Subject: [PATCH] Reset z-index of vertical tabs always to prevent tabs are
 shown above other browser elements.

See also #586 and #843
---
 skin/classic/treestyletab/base.css | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/skin/classic/treestyletab/base.css b/skin/classic/treestyletab/base.css
index 4cce2270..6e69a51b 100644
--- a/skin/classic/treestyletab/base.css
+++ b/skin/classic/treestyletab/base.css
@@ -118,3 +118,16 @@
   .tab-icon-image:not([src]):not([pinned]) {
 	display: -moz-box;
 }
+
+
+/* Don't show vertical tabs above other browser elements.
+   See also:
+    https://github.com/piroor/treestyletab/issues/586
+    https://github.com/piroor/treestyletab/pull/843
+ */
+.tabbrowser-tabs[treestyletab-mode="vertical"]
+  .tabbrowser-tab:not([selected="true"]),
+.tabbrowser-tabs[treestyletab-mode="vertical"]
+  .tabbrowser-tab[selected="true"] {
+	z-index: auto;
+}