disable interaction on future/past slides

css/reveal.css

@@ -606,6 +606,19 @@ body {
 	min-height: auto !important;
 }
 
+/* Don't allow interaction with invisible slides */
+.reveal .slides>section.future,
+.reveal .slides>section>section.future,
+.reveal .slides>section.past,
+.reveal .slides>section>section.past {
+	pointer-events: none;
+}
+
+.reveal.overview .slides>section,
+.reveal.overview .slides>section>section {
+	pointer-events: auto;
+}
+
 
 
 /*********************************************