From 8feddd40a920c5fbfe16ad96e60b95cf27ae3db5 Mon Sep 17 00:00:00 2001
From: Kristiyan Kostadinov <crisbeto@users.noreply.github.com>
Date: Fri, 23 Jun 2017 00:29:52 +0200
Subject: [PATCH] fix(overlay): remove webkit tap highlight from backdrop
 (#5258)

Removes the native Webkit tap highlight from the overlay backdrop. This prevents a dark tint from being added when tapping away from an overlay.
---
 src/lib/core/overlay/_overlay.scss | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/lib/core/overlay/_overlay.scss b/src/lib/core/overlay/_overlay.scss
index 20b77414da0..98c967932ea 100644
--- a/src/lib/core/overlay/_overlay.scss
+++ b/src/lib/core/overlay/_overlay.scss
@@ -47,6 +47,7 @@
 
     z-index: $cdk-z-index-overlay-backdrop;
     pointer-events: auto;
+    -webkit-tap-highlight-color: transparent;
 
     // TODO(jelbourn): figure out if there are actually spec'ed colors for both light and dark
     // themes here. Currently using the values from AngularJS Material.