From eab984defff23e2bcf5edfd930714243653eafe2 Mon Sep 17 00:00:00 2001
From: Wu Cheng-Han
Date: Sat, 30 Jul 2016 20:19:20 +0800
Subject: Workaround slides, overview been cutoff and text became blurry in
 Firefox 47+

---
 public/css/slide.css | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/public/css/slide.css b/public/css/slide.css
index dde26539..195981b3 100644
--- a/public/css/slide.css
+++ b/public/css/slide.css
@@ -243,4 +243,13 @@ pre.mermaid > svg {
     border: none !important;
     box-shadow: none !important;
     margin-bottom: -.25em !important;
+}
+
+.reveal .slides, .reveal .backgrounds, .reveal.overview {
+    transform-style: preserve-3d;
+}
+
+.reveal .slides > section,
+.reveal .slides > section > section {
+    transform-style: flat;
 }
\ No newline at end of file
-- 
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