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-rw-r--r--js/reveal.js1
1 files changed, 1 insertions, 0 deletions
diff --git a/js/reveal.js b/js/reveal.js
index 0065e9b..2cb1dfb 100644
--- a/js/reveal.js
+++ b/js/reveal.js
@@ -3855,6 +3855,7 @@
iframe.setAttribute( 'allowfullscreen', '' );
iframe.setAttribute( 'mozallowfullscreen', '' );
iframe.setAttribute( 'webkitallowfullscreen', '' );
+ iframe.setAttribute( 'allow', 'autoplay' );
iframe.setAttribute( 'data-src', backgroundIframe );