diff --git a/README.md b/README.md
index 5aa97709..4c720e2e 100644
--- a/README.md
+++ b/README.md
@@ -897,7 +897,7 @@ Reveal.addEventListener( 'fragmenthidden', function( event ) {
 
 ### Code syntax highlighting
 
-By default, Reveal is configured with [highlight.js](https://highlightjs.org/) for code syntax highlighting. To enable syntax highlighting, you'll have to load the highlight plugin ([plugin/highlight/highlight.js](plugin/highlight/highlight.js)) and a highlight.js CSS theme (Reveal comes packaged with the zenburn theme: [lib/css/zenburn.css](lib/css/zenburn.css)).
+By default, Reveal is configured with [highlight.js](https://highlightjs.org/) for code syntax highlighting. To enable syntax highlighting, you'll have to load the highlight plugin ([plugin/highlight/highlight.js](plugin/highlight/highlight.js)) and a highlight.js CSS theme (Reveal comes packaged with the Monokai themes: [lib/css/monokai.css](lib/css/monokai.css)).
 
 ```javascript
 Reveal.initialize({
diff --git a/css/theme/beige.css b/css/theme/beige.css
index fb5f1373..615dd6d1 100644
--- a/css/theme/beige.css
+++ b/css/theme/beige.css
@@ -153,7 +153,7 @@ body {
   font-family: monospace;
   line-height: 1.2em;
   word-wrap: break-word;
-  box-shadow: 0px 0px 6px rgba(0, 0, 0, 0.3); }
+  box-shadow: 0px 5px 15px rgba(0, 0, 0, 0.15); }
 
 .reveal code {
   font-family: monospace;
diff --git a/css/theme/black.css b/css/theme/black.css
index dec6385b..7dd88c2c 100644
--- a/css/theme/black.css
+++ b/css/theme/black.css
@@ -11,8 +11,8 @@ section.has-light-background, section.has-light-background h1, section.has-light
  * GLOBAL STYLES
  *********************************************/
 body {
-  background: #222;
-  background-color: #222; }
+  background: #191919;
+  background-color: #191919; }
 
 .reveal {
   font-family: "Source Sans Pro", Helvetica, sans-serif;
@@ -149,7 +149,7 @@ body {
   font-family: monospace;
   line-height: 1.2em;
   word-wrap: break-word;
-  box-shadow: 0px 0px 6px rgba(0, 0, 0, 0.3); }
+  box-shadow: 0px 5px 15px rgba(0, 0, 0, 0.15); }
 
 .reveal code {
   font-family: monospace;
@@ -270,4 +270,4 @@ body {
  *********************************************/
 @media print {
   .backgrounds {
-    background-color: #222; } }
+    background-color: #191919; } }
diff --git a/css/theme/blood.css b/css/theme/blood.css
index 15e6c207..5cbd488b 100644
--- a/css/theme/blood.css
+++ b/css/theme/blood.css
@@ -152,7 +152,7 @@ body {
   font-family: monospace;
   line-height: 1.2em;
   word-wrap: break-word;
-  box-shadow: 0px 0px 6px rgba(0, 0, 0, 0.3); }
+  box-shadow: 0px 5px 15px rgba(0, 0, 0, 0.15); }
 
 .reveal code {
   font-family: monospace;
diff --git a/css/theme/league.css b/css/theme/league.css
index 9dfa2ce8..f8fba4da 100644
--- a/css/theme/league.css
+++ b/css/theme/league.css
@@ -155,7 +155,7 @@ body {
   font-family: monospace;
   line-height: 1.2em;
   word-wrap: break-word;
-  box-shadow: 0px 0px 6px rgba(0, 0, 0, 0.3); }
+  box-shadow: 0px 5px 15px rgba(0, 0, 0, 0.15); }
 
 .reveal code {
   font-family: monospace;
diff --git a/css/theme/moon.css b/css/theme/moon.css
index 52b3f67b..d18f5260 100644
--- a/css/theme/moon.css
+++ b/css/theme/moon.css
@@ -153,7 +153,7 @@ body {
   font-family: monospace;
   line-height: 1.2em;
   word-wrap: break-word;
-  box-shadow: 0px 0px 6px rgba(0, 0, 0, 0.3); }
+  box-shadow: 0px 5px 15px rgba(0, 0, 0, 0.15); }
 
 .reveal code {
   font-family: monospace;
diff --git a/css/theme/night.css b/css/theme/night.css
index 51a3dd34..f5ccb522 100644
--- a/css/theme/night.css
+++ b/css/theme/night.css
@@ -147,7 +147,7 @@ body {
   font-family: monospace;
   line-height: 1.2em;
   word-wrap: break-word;
-  box-shadow: 0px 0px 6px rgba(0, 0, 0, 0.3); }
+  box-shadow: 0px 5px 15px rgba(0, 0, 0, 0.15); }
 
 .reveal code {
   font-family: monospace;
diff --git a/css/theme/serif.css b/css/theme/serif.css
index ea01066e..6514a6fc 100644
--- a/css/theme/serif.css
+++ b/css/theme/serif.css
@@ -149,7 +149,7 @@ body {
   font-family: monospace;
   line-height: 1.2em;
   word-wrap: break-word;
-  box-shadow: 0px 0px 6px rgba(0, 0, 0, 0.3); }
+  box-shadow: 0px 5px 15px rgba(0, 0, 0, 0.15); }
 
 .reveal code {
   font-family: monospace;
diff --git a/css/theme/simple.css b/css/theme/simple.css
index 8432d84b..a7a29a64 100644
--- a/css/theme/simple.css
+++ b/css/theme/simple.css
@@ -152,7 +152,7 @@ body {
   font-family: monospace;
   line-height: 1.2em;
   word-wrap: break-word;
-  box-shadow: 0px 0px 6px rgba(0, 0, 0, 0.3); }
+  box-shadow: 0px 5px 15px rgba(0, 0, 0, 0.15); }
 
 .reveal code {
   font-family: monospace;
diff --git a/css/theme/sky.css b/css/theme/sky.css
index 6f60a1d9..d8734c9c 100644
--- a/css/theme/sky.css
+++ b/css/theme/sky.css
@@ -156,7 +156,7 @@ body {
   font-family: monospace;
   line-height: 1.2em;
   word-wrap: break-word;
-  box-shadow: 0px 0px 6px rgba(0, 0, 0, 0.3); }
+  box-shadow: 0px 5px 15px rgba(0, 0, 0, 0.15); }
 
 .reveal code {
   font-family: monospace;
diff --git a/css/theme/solarized.css b/css/theme/solarized.css
index fe81f09d..f1a2b9e3 100644
--- a/css/theme/solarized.css
+++ b/css/theme/solarized.css
@@ -153,7 +153,7 @@ body {
   font-family: monospace;
   line-height: 1.2em;
   word-wrap: break-word;
-  box-shadow: 0px 0px 6px rgba(0, 0, 0, 0.3); }
+  box-shadow: 0px 5px 15px rgba(0, 0, 0, 0.15); }
 
 .reveal code {
   font-family: monospace;
diff --git a/css/theme/source/black.scss b/css/theme/source/black.scss
index 84e8d9a1..4720c8ab 100644
--- a/css/theme/source/black.scss
+++ b/css/theme/source/black.scss
@@ -16,7 +16,7 @@
 
 
 // Override theme settings (see ../template/settings.scss)
-$backgroundColor: #222;
+$backgroundColor: #191919;
 
 $mainColor: #fff;
 $headingColor: #fff;
diff --git a/css/theme/template/theme.scss b/css/theme/template/theme.scss
index 215e2d4a..9ccfaf51 100644
--- a/css/theme/template/theme.scss
+++ b/css/theme/template/theme.scss
@@ -167,7 +167,7 @@ body {
 
 	word-wrap: break-word;
 
-	box-shadow: 0px 0px 6px rgba(0,0,0,0.3);
+	box-shadow: 0px 5px 15px rgba(0, 0, 0, 0.15);
 }
 
 .reveal code {
diff --git a/css/theme/white.css b/css/theme/white.css
index 27e44a1b..43ef2c79 100644
--- a/css/theme/white.css
+++ b/css/theme/white.css
@@ -149,7 +149,7 @@ body {
   font-family: monospace;
   line-height: 1.2em;
   word-wrap: break-word;
-  box-shadow: 0px 0px 6px rgba(0, 0, 0, 0.3); }
+  box-shadow: 0px 5px 15px rgba(0, 0, 0, 0.15); }
 
 .reveal code {
   font-family: monospace;
diff --git a/demo.html b/demo.html
index 6b268806..634b538e 100644
--- a/demo.html
+++ b/demo.html
@@ -19,7 +19,7 @@
 		<link rel="stylesheet" href="css/theme/black.css" id="theme">
 
 		<!-- Theme used for syntax highlighting of code -->
-		<link rel="stylesheet" href="lib/css/zenburn.css">
+		<link rel="stylesheet" href="lib/css/monokai.css">
 
 		<!-- Printing and PDF exports -->
 		<script>
diff --git a/index.html b/index.html
index ad28d218..f938be54 100644
--- a/index.html
+++ b/index.html
@@ -11,7 +11,7 @@
 		<link rel="stylesheet" href="css/theme/black.css">
 
 		<!-- Theme used for syntax highlighting of code -->
-		<link rel="stylesheet" href="lib/css/zenburn.css">
+		<link rel="stylesheet" href="lib/css/monokai.css">
 
 		<!-- Printing and PDF exports -->
 		<script>
@@ -41,7 +41,7 @@
 					{ src: 'plugin/markdown/marked.js' },
 					{ src: 'plugin/markdown/markdown.js' },
 					{ src: 'plugin/notes/notes.js', async: true },
-					{ src: 'plugin/highlight/highlight.js', async: true, callback: function() { hljs.initHighlightingOnLoad(); } }
+					{ src: 'plugin/highlight/highlight.js', async: true }
 				]
 			});
 		</script>
diff --git a/lib/css/monokai.css b/lib/css/monokai.css
new file mode 100644
index 00000000..af24834a
--- /dev/null
+++ b/lib/css/monokai.css
@@ -0,0 +1,71 @@
+/*
+Monokai style - ported by Luigi Maselli - http://grigio.org
+*/
+
+.hljs {
+  display: block;
+  overflow-x: auto;
+  padding: 0.5em;
+  background: #272822;
+  color: #ddd;
+}
+
+.hljs-tag,
+.hljs-keyword,
+.hljs-selector-tag,
+.hljs-literal,
+.hljs-strong,
+.hljs-name {
+  color: #f92672;
+}
+
+.hljs-code {
+  color: #66d9ef;
+}
+
+.hljs-class .hljs-title {
+  color: white;
+}
+
+.hljs-attribute,
+.hljs-symbol,
+.hljs-regexp,
+.hljs-link {
+  color: #bf79db;
+}
+
+.hljs-string,
+.hljs-bullet,
+.hljs-subst,
+.hljs-title,
+.hljs-section,
+.hljs-emphasis,
+.hljs-type,
+.hljs-built_in,
+.hljs-builtin-name,
+.hljs-selector-attr,
+.hljs-selector-pseudo,
+.hljs-addition,
+.hljs-variable,
+.hljs-template-tag,
+.hljs-template-variable {
+  color: #a6e22e;
+}
+
+.hljs-comment,
+.hljs-quote,
+.hljs-deletion,
+.hljs-meta {
+  color: #75715e;
+}
+
+.hljs-keyword,
+.hljs-selector-tag,
+.hljs-literal,
+.hljs-doctag,
+.hljs-title,
+.hljs-section,
+.hljs-type,
+.hljs-selector-id {
+  font-weight: bold;
+}
diff --git a/plugin/markdown/example.html b/plugin/markdown/example.html
index b520304a..0904fbbe 100644
--- a/plugin/markdown/example.html
+++ b/plugin/markdown/example.html
@@ -9,7 +9,7 @@
 		<link rel="stylesheet" href="../../css/reveal.css">
 		<link rel="stylesheet" href="../../css/theme/white.css" id="theme">
 
-        <link rel="stylesheet" href="../../lib/css/zenburn.css">
+        <link rel="stylesheet" href="../../lib/css/monokai.css">
 	</head>
 
 	<body>