2 files changed, 3 insertions, 3 deletions
diff --git a/css/reveal.css b/css/reveal.css
index 4a9f030..63ba646 100644
--- a/css/reveal.css
+++ b/css/reveal.css
@@ -469,8 +469,8 @@ body {
   width: 100%;
   height: 100%;
   overflow: hidden;
-  -ms-touch-action: none;
-      touch-action: none; }
+  -ms-touch-action: pinch-zoom;
+      touch-action: pinch-zoom; }
 
 .reveal .slides {
   position: absolute;
diff --git a/css/reveal.scss b/css/reveal.scss
index c79a562..ad6d1f5 100644
--- a/css/reveal.scss
+++ b/css/reveal.scss
@@ -566,7 +566,7 @@ $controlsArrowAngleActive: 36deg;
 	width: 100%;
 	height: 100%;
 	overflow: hidden;
-	touch-action: none;
+	touch-action: pinch-zoom;
 }
 
 .reveal .slides {