From 5e763bc67d140d1a41056c2e63f0fbe80c5d03ab Mon Sep 17 00:00:00 2001
From: Hakim El Hattab <hakim.elhattab@gmail.com>
Date: Tue, 6 Oct 2015 20:16:46 +0200
Subject: [PATCH] fix black background in fullscreen mode #668 #1386

---
 css/reveal.css  | 6 ++++++
 css/reveal.scss | 9 +++++++++
 2 files changed, 15 insertions(+)

diff --git a/css/reveal.css b/css/reveal.css
index d2cb1be0..116d3154 100644
--- a/css/reveal.css
+++ b/css/reveal.css
@@ -47,6 +47,12 @@ body {
   background-color: #fff;
   color: #000; }
 
+html:-webkit-full-screen-ancestor {
+  background-color: inherit; }
+
+html:-moz-full-screen-ancestor {
+  background-color: inherit; }
+
 /*********************************************
  * VIEW FRAGMENTS
  *********************************************/
diff --git a/css/reveal.scss b/css/reveal.scss
index 330551b4..2b1546f3 100644
--- a/css/reveal.scss
+++ b/css/reveal.scss
@@ -57,6 +57,15 @@ body {
 	color: #000;
 }
 
+// Ensures that the main background color matches the
+// theme in fullscreen mode
+html:-webkit-full-screen-ancestor {
+	background-color: inherit;
+}
+html:-moz-full-screen-ancestor {
+	background-color: inherit;
+}
+
 
 /*********************************************
  * VIEW FRAGMENTS