diff --git a/css/reveal.css b/css/reveal.css
index 2e18ade50d79cf6f1ac16ad2fec3e1c7ec6ddc49..a02c0fb754af7a6862b8e01201d84afa77d45c27 100644
--- a/css/reveal.css
+++ b/css/reveal.css
@@ -892,7 +892,7 @@ body {
   -webkit-transition: none;
           transition: none; }
 
-.reveal.overview-animated .slides, .reveal.overview-animated .slides section, .reveal.overview-animated .backgrounds .slide-background {
+.reveal.overview-animated .slides {
   -webkit-transition: -webkit-transform 0.4s ease;
           transition: transform 0.4s ease; }
 
diff --git a/css/reveal.scss b/css/reveal.scss
index 70fe2c1ad7eb2d4ee3fdc138160b21e9da9b4c06..7e5b71d76e4d1eb345bb1105691bdabc4734d14b 100644
--- a/css/reveal.scss
+++ b/css/reveal.scss
@@ -1042,9 +1042,7 @@ body {
 	transition: none;
 }
 
-.reveal.overview-animated .slides,
-.reveal.overview-animated .slides section,
-.reveal.overview-animated .backgrounds .slide-background {
+.reveal.overview-animated .slides {
 	transition: transform 0.4s ease;
 }