From b7e0d9b1c79a475249777d734a9675b1ba03a47a Mon Sep 17 00:00:00 2001
From: Hakim El Hattab
Date: Mon, 20 Jun 2016 10:27:04 +0200
Subject: fix theme backgrounds in firefox fullscreen mode #1386

---
 css/theme/black.css | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'css/theme/black.css')

diff --git a/css/theme/black.css b/css/theme/black.css
index 96e4fd4..635a2b1 100644
--- a/css/theme/black.css
+++ b/css/theme/black.css
@@ -14,6 +14,14 @@ body {
   background: #222;
   background-color: #222; }
 
+html:-webkit-full-screen-ancestor {
+  background: #222;
+  background-color: #222; }
+
+html:-moz-full-screen-ancestor {
+  background: #222;
+  background-color: #222; }
+
 .reveal {
   font-family: "Source Sans Pro", Helvetica, sans-serif;
   font-size: 42px;
-- 
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