copy/paster 3.0.0 files
diff --git a/inst/rmarkdown/templates/revealjs_presentation/test/examples/slide-backgrounds.html b/inst/rmarkdown/templates/revealjs_presentation/test/examples/slide-backgrounds.html
index 4f0fe62..4e5e406 100644
--- a/inst/rmarkdown/templates/revealjs_presentation/test/examples/slide-backgrounds.html
+++ b/inst/rmarkdown/templates/revealjs_presentation/test/examples/slide-backgrounds.html
@@ -8,8 +8,18 @@
 
 		<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
 
-		<link rel="stylesheet" href="../../css/reveal.min.css">
+		<link rel="stylesheet" href="../../css/reveal.css">
 		<link rel="stylesheet" href="../../css/theme/serif.css" id="theme">
+		<style type="text/css" media="screen">
+			.slides section.has-dark-background,
+			.slides section.has-dark-background h2 {
+				color: #fff;
+			}
+			.slides section.has-light-background,
+			.slides section.has-light-background h2 {
+				color: #222;
+			}
+		</style>
 	</head>
 
 	<body>
@@ -26,6 +36,10 @@
 					<h2>data-background: #bb00bb</h2>
 				</section>
 
+				<section data-background-color="lightblue">
+					<h2>data-background: lightblue</h2>
+				</section>
+
 				<section>
 					<section data-background="#ff0000">
 						<h2>data-background: #ff0000</h2>
@@ -45,25 +59,25 @@
 					<section>
 						<h2>Background applied to stack</h2>
 					</section>
-					<section data-background="rgba(100, 0, 0, 0.2)">
+					<section data-background="rgb(66, 66, 66)">
 						<h2>Background applied to slide inside of stack</h2>
 					</section>
 				</section>
 
-				<section data-background-transition="slide" data-background="assets/image1.png" style="background: rgba(255,255,255,0.9)">
+				<section data-background-transition="slide" data-background="assets/image1.png">
 					<h2>Background image</h2>
 				</section>
 
 				<section>
-					<section data-background-transition="slide" data-background="assets/image1.png" style="background: rgba(255,255,255,0.9)">
+					<section data-background-transition="slide" data-background="assets/image1.png">
 						<h2>Background image</h2>
 					</section>
-					<section data-background-transition="slide" data-background="assets/image1.png" style="background: rgba(255,255,255,0.9)">
+					<section data-background-transition="slide" data-background="assets/image1.png">
 						<h2>Background image</h2>
 					</section>
 				</section>
 
-				<section data-background="assets/image2.png" data-background-size="100px" data-background-repeat="repeat" data-background-color="#111" style="background: rgba(255,255,255,0.9)">
+				<section data-background="assets/image2.png" data-background-size="100px" data-background-repeat="repeat" data-background-color="#111">
 					<h2>Background image</h2>
 					<pre>data-background-size="100px" data-background-repeat="repeat" data-background-color="#111"</pre>
 				</section>
@@ -75,6 +89,14 @@
 					<h2>Same background twice (2/2)</h2>
 				</section>
 
+				<section data-background-video="https://s3.amazonaws.com/static.slid.es/site/homepage/v1/homepage-video-editor.mp4,https://s3.amazonaws.com/static.slid.es/site/homepage/v1/homepage-video-editor.webm">
+					<h2>Video background</h2>
+				</section>
+
+				<section data-background-iframe="https://slides.com">
+					<h2>Iframe background</h2>
+				</section>
+
 				<section>
 					<section data-background="#417203">
 						<h2>Same background twice vertical (1/2)</h2>
@@ -101,7 +123,7 @@
 		</div>
 
 		<script src="../../lib/js/head.min.js"></script>
-		<script src="../../js/reveal.min.js"></script>
+		<script src="../../js/reveal.js"></script>
 
 		<script>