upgrade to reveal.js-3.3.0
diff --git a/inst/reveal.js-3.3.0/test/examples/slide-backgrounds.html b/inst/reveal.js-3.3.0/test/examples/slide-backgrounds.html
new file mode 100644
index 0000000..316c92a
--- /dev/null
+++ b/inst/reveal.js-3.3.0/test/examples/slide-backgrounds.html
@@ -0,0 +1,144 @@
+<!doctype html>
+<html lang="en">
+
+ <head>
+ <meta charset="utf-8">
+
+ <title>reveal.js - Slide Backgrounds</title>
+
+ <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
+
+ <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>
+
+ <div class="reveal">
+
+ <div class="slides">
+
+ <section data-background="#00ffff">
+ <h2>data-background: #00ffff</h2>
+ </section>
+
+ <section data-background="#bb00bb">
+ <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>
+ </section>
+ <section data-background="rgba(0, 0, 0, 0.2)">
+ <h2>data-background: rgba(0, 0, 0, 0.2)</h2>
+ </section>
+ <section data-background="salmon">
+ <h2>data-background: salmon</h2>
+ </section>
+ </section>
+
+ <section data-background="rgba(0, 100, 100, 0.2)">
+ <section>
+ <h2>Background applied to stack</h2>
+ </section>
+ <section>
+ <h2>Background applied to stack</h2>
+ </section>
+ <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">
+ <h2>Background image</h2>
+ </section>
+
+ <section>
+ <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">
+ <h2>Background image</h2>
+ </section>
+ </section>
+
+ <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>
+
+ <section data-background="#888888">
+ <h2>Same background twice (1/2)</h2>
+ </section>
+ <section data-background="#888888">
+ <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/news/make-better-presentations/embed?style=hidden&autoSlide=4000">
+ <h2>Iframe background</h2>
+ </section>
+
+ <section>
+ <section data-background="#417203">
+ <h2>Same background twice vertical (1/2)</h2>
+ </section>
+ <section data-background="#417203">
+ <h2>Same background twice vertical (2/2)</h2>
+ </section>
+ </section>
+
+ <section data-background="#934f4d">
+ <h2>Same background from horizontal to vertical (1/3)</h2>
+ </section>
+ <section>
+ <section data-background="#934f4d">
+ <h2>Same background from horizontal to vertical (2/3)</h2>
+ </section>
+ <section data-background="#934f4d">
+ <h2>Same background from horizontal to vertical (3/3)</h2>
+ </section>
+ </section>
+
+ </div>
+
+ </div>
+
+ <script src="../../lib/js/head.min.js"></script>
+ <script src="../../js/reveal.js"></script>
+
+ <script>
+
+ // Full list of configuration options available here:
+ // https://github.com/hakimel/reveal.js#configuration
+ Reveal.initialize({
+ center: true,
+ // rtl: true,
+
+ transition: 'linear',
+ // transitionSpeed: 'slow',
+ // backgroundTransition: 'slide'
+ });
+
+ </script>
+
+ </body>
+</html>