From 33c986fcf0a7773771e19237337d55cabf217757 Mon Sep 17 00:00:00 2001
From: Thibaut Courouble <thibaut@me.com>
Date: Tue, 9 Oct 2018 13:02:14 -0400
Subject: [PATCH] Fix CSS variable support check (take 2)

---
 assets/javascripts/app/app.coffee | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/assets/javascripts/app/app.coffee b/assets/javascripts/app/app.coffee
index 6b5ba7c3..3a8e2b62 100644
--- a/assets/javascripts/app/app.coffee
+++ b/assets/javascripts/app/app.coffee
@@ -245,7 +245,7 @@
         matchMedia:         !!window.matchMedia
         insertAdjacentHTML: !!document.body.insertAdjacentHTML
         defaultPrevented:     document.createEvent('CustomEvent').defaultPrevented is false
-        cssVariables:         CSS.supports and CSS.supports('--t', '0')
+        cssVariables:         CSS.supports and CSS.supports('(--t: 0)')
 
       for key, value of features when not value
         Raven.captureMessage "unsupported/#{key}", level: 'info'