Add demo of background transition
diff --git a/inst/rmarkdown/templates/revealjs_presentation/skeleton/skeleton.Rmd b/inst/rmarkdown/templates/revealjs_presentation/skeleton/skeleton.Rmd
index 570db11..bd61560 100644
--- a/inst/rmarkdown/templates/revealjs_presentation/skeleton/skeleton.Rmd
+++ b/inst/rmarkdown/templates/revealjs_presentation/skeleton/skeleton.Rmd
@@ -119,4 +119,14 @@
Most of configuration there should work
-https://revealjs.com/backgrounds/
\ No newline at end of file
+https://revealjs.com/backgrounds/
+
+# Background transitions {background-color="#4d7e65" data-background-transition="zoom"}
+
+The transition of the background revealing can be customized using `data-background-transition` attribute on a per slide basis or globally using the option configuration:
+
+```yaml
+output:
+ revealjs::revealjs_presentation:
+ background_transition: "zoom"
+```