From 3ab904ac76c8801040ea8afa7d9c5b4f92df8490 Mon Sep 17 00:00:00 2001
From: Martijn Cuppens <martijn.cuppens@gmail.com>
Date: Wed, 18 Jul 2018 17:37:32 +0200
Subject: [PATCH] #26912: fix custom file input z-index

---
 scss/_input-group.scss | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/scss/_input-group.scss b/scss/_input-group.scss
index c210242a1157..2ed5f330402a 100644
--- a/scss/_input-group.scss
+++ b/scss/_input-group.scss
@@ -35,6 +35,11 @@
     z-index: 3;
   }
 
+  // Bring the custom file input above the label
+  > .custom-file .custom-file-input:focus {
+    z-index: 4;
+  }
+
   > .form-control,
   > .custom-select {
     &:not(:last-child) { @include border-right-radius(0); }