From 1778ec673b2afb2023f504443a64beb89b6735ab Mon Sep 17 00:00:00 2001
From: Florian Strohmaier <florian.strohmaier@icinga.com>
Date: Wed, 4 Sep 2019 12:26:37 +0200
Subject: [PATCH] IE11: Fix nav flyouts being covered by #main

fixes #3942
---
 public/css/icinga/layout-structure.less | 2 ++
 public/css/icinga/menu.less             | 4 ++++
 2 files changed, 6 insertions(+)

diff --git a/public/css/icinga/layout-structure.less b/public/css/icinga/layout-structure.less
index 9b6089854..80ce4d006 100644
--- a/public/css/icinga/layout-structure.less
+++ b/public/css/icinga/layout-structure.less
@@ -10,6 +10,8 @@ html {
   position: fixed;
   left: 0;
   top: 0;
+  // Prevent nav-level-2 flyovers from being covered by #main
+  z-index: 0;
 }
 
 #header {
diff --git a/public/css/icinga/menu.less b/public/css/icinga/menu.less
index a7b0ff6bc..105e93b15 100644
--- a/public/css/icinga/menu.less
+++ b/public/css/icinga/menu.less
@@ -46,6 +46,10 @@
       text-decoration: none;
     }
   }
+
+  .nav-level-2 {
+    z-index: 1;
+  }
 }
 
 #layout:not(.sidebar-collapsed) #menu .nav-item > a {