move the slide-number out of the controls to a proper position and little fix to the updating event.

css/reveal.css

@@ -391,15 +391,6 @@ body {
 	        transition: all 0.2s ease;
 }
 
-.reveal .controls .slide-number {
-	font-size: 11px;
-	top: 10px;
-	left: -10px;
-	opacity: 0.5;
-	width: 45px;
-	text-align: center;
-}
-
 .reveal .controls div.enabled {
 	opacity: 0.7;
 	cursor: pointer;
@@ -485,6 +476,21 @@ body {
 		        transition: width 800ms cubic-bezier(0.260, 0.860, 0.440, 0.985);
 	}
 
+/*********************************************
+ * SLIDE NUMBER
+ *********************************************/
+
+.reveal .slide-number {
+	position: fixed;
+	display: block;
+	opacity: 0.5; 
+	z-index: 31;
+	width: 110px;
+	bottom: 58px;
+	right: 11px;
+	font-size: 12px;
+	text-align: center;
+}
 
 /*********************************************
  * SLIDES

css/theme/beige.css

@@ -115,10 +115,6 @@ body {
 .reveal .controls div.navigate-down.enabled {
   border-top-color: #8b743d; }
 
-.reveal .controls .slide-number {
-  color: #8b743d;
-}
-
 .reveal .controls div.navigate-left.enabled:hover {
   border-right-color: #c0a86e; }
 
@@ -131,6 +127,13 @@ body {
 .reveal .controls div.navigate-down.enabled:hover {
   border-top-color: #c0a86e; }
 
+/*********************************************
+ * SLIDE NUMBER
+ *********************************************/
+.reveal .slide-number {
+  color: #8b743d;
+}
+
 /*********************************************
  * PROGRESS BAR
  *********************************************/

css/theme/default.css

@@ -115,10 +115,6 @@ body {
 .reveal .controls div.navigate-down.enabled {
   border-top-color: #13daec; }
 
-.reveal .controls .slide-number {
-  color: #13daec;
-}
-
 .reveal .controls div.navigate-left.enabled:hover {
   border-right-color: #71e9f4; }
 
@@ -131,6 +127,13 @@ body {
 .reveal .controls div.navigate-down.enabled:hover {
   border-top-color: #71e9f4; }
 
+/*********************************************
+ * SLIDE NUMBER
+ *********************************************/
+.reveal .slide-number {
+  color: #13daec;
+}
+
 /*********************************************
  * PROGRESS BAR
  *********************************************/

css/theme/moon.css

@@ -115,10 +115,6 @@ body {
 .reveal .controls div.navigate-down.enabled {
   border-top-color: #268bd2; }
 
-.reveal .controls .slide-number {
-  color: #268bd2;
-}
-
 .reveal .controls div.navigate-left.enabled:hover {
   border-right-color: #78b9e6; }
 
@@ -131,6 +127,13 @@ body {
 .reveal .controls div.navigate-down.enabled:hover {
   border-top-color: #78b9e6; }
 
+/*********************************************
+ * SLIDE NUMBER
+ *********************************************/
+.reveal .slide-number {
+  color: #268bd2;
+}
+
 /*********************************************
  * PROGRESS BAR
  *********************************************/

css/theme/night.css

@@ -103,9 +103,6 @@ body {
 .reveal .controls div.navigate-down.enabled {
   border-top-color: #e7ad52; }
 
-.reveal .controls .slide-number {
-  color: #e7ad52;
-}
 .reveal .controls div.navigate-left.enabled:hover {
   border-right-color: #f3d7ac; }
 
@@ -118,6 +115,13 @@ body {
 .reveal .controls div.navigate-down.enabled:hover {
   border-top-color: #f3d7ac; }
 
+/*********************************************
+ * SLIDE NUMBER
+ *********************************************/
+.reveal .slide-number {
+  color: #e7ad52;
+}
+
 /*********************************************
  * PROGRESS BAR
  *********************************************/

css/theme/serif.css

@@ -105,9 +105,6 @@ body {
 .reveal .controls div.navigate-down.enabled {
   border-top-color: #51483d; }
 
-.reveal .controls .slide-number {
-  color: #51483d;
-}
 .reveal .controls div.navigate-left.enabled:hover {
   border-right-color: #8b7c69; }
 
@@ -120,6 +117,13 @@ body {
 .reveal .controls div.navigate-down.enabled:hover {
   border-top-color: #8b7c69; }
 
+/*********************************************
+ * SLIDE NUMBER
+ *********************************************/
+.reveal .slide-number {
+  color: #51483d;
+}
+
 /*********************************************
  * PROGRESS BAR
  *********************************************/

css/theme/simple.css

@@ -105,9 +105,6 @@ body {
 .reveal .controls div.navigate-down.enabled {
   border-top-color: darkblue; }
 
-.reveal .controls .slide-number {
-  color: darkblue;
-}
 .reveal .controls div.navigate-left.enabled:hover {
   border-right-color: #0000f1; }
 
@@ -120,6 +117,13 @@ body {
 .reveal .controls div.navigate-down.enabled:hover {
   border-top-color: #0000f1; }
 
+/*********************************************
+ * SLIDE NUMBER
+ *********************************************/
+.reveal .slide-number {
+  color: darkblue;
+}
+
 /*********************************************
  * PROGRESS BAR
  *********************************************/

css/theme/sky.css

@@ -112,9 +112,6 @@ body {
 .reveal .controls div.navigate-down.enabled {
   border-top-color: #3b759e; }
 
-.reveal .controls .slide-number {
-  color: #3b759e;
-}
 .reveal .controls div.navigate-left.enabled:hover {
   border-right-color: #74a7cb; }
 
@@ -127,6 +124,13 @@ body {
 .reveal .controls div.navigate-down.enabled:hover {
   border-top-color: #74a7cb; }
 
+/*********************************************
+ * SLIDE NUMBER
+ *********************************************/
+.reveal .slide-number {
+  color: #3b759e;
+}
+
 /*********************************************
  * PROGRESS BAR
  *********************************************/

css/theme/solarized.css

@@ -115,9 +115,6 @@ body {
 .reveal .controls div.navigate-down.enabled {
   border-top-color: #268bd2; }
 
-.reveal .controls .slide-number {
-  color: #268bd2;
-}
 .reveal .controls div.navigate-left.enabled:hover {
   border-right-color: #78b9e6; }
 
@@ -130,6 +127,13 @@ body {
 .reveal .controls div.navigate-down.enabled:hover {
   border-top-color: #78b9e6; }
 
+/*********************************************
+ * SLIDE NUMBER
+ *********************************************/
+.reveal .slide-number {
+  color: #268bd2;
+}
+
 /*********************************************
  * PROGRESS BAR
  *********************************************/

js/reveal.js

@@ -350,8 +350,10 @@ var Reveal = (function(){
 			'<div class="navigate-left"></div>' +
 			'<div class="navigate-right"></div>' +
 			'<div class="navigate-up"></div>' +
-			'<div class="navigate-down"></div>' +
+			'<div class="navigate-down"></div>' );
-			'<div class="slide-number"></div>' );
+
+		// slide number
+		createSingletonNode( dom.wrapper, 'div', 'slide-number', '' );
 
 		// State background element [DEPRECATED]
 		createSingletonNode( dom.wrapper, 'div', 'state-background', null );
@@ -370,7 +372,7 @@ var Reveal = (function(){
 		dom.controlsPrev = toArray( document.querySelectorAll( '.navigate-prev' ) );
 		dom.controlsNext = toArray( document.querySelectorAll( '.navigate-next' ) );
 
-		dom.slideNumbers = toArray(document.querySelectorAll( '.slide-number' ));
+		dom.slideNumber = document.querySelector( '.slide-number' );
 	}
 
 	/**
@@ -595,12 +597,6 @@ var Reveal = (function(){
 			dom.controlsPrev.forEach( function( el ) { el.addEventListener( eventName, onNavigatePrevClicked, false ); } );
 			dom.controlsNext.forEach( function( el ) { el.addEventListener( eventName, onNavigateNextClicked, false ); } );
 		} );
-
-		if( config.showSlideNumber ) {
-			['ready', 'slidechanged'].forEach( function(eventName) { 
-				document.addEventListener( eventName, onSlideChanged, false ); 
-			} );
-		}
 	}
 
 	/**
@@ -636,12 +632,6 @@ var Reveal = (function(){
 			dom.controlsPrev.forEach( function( el ) { el.removeEventListener( eventName, onNavigatePrevClicked, false ); } );
 			dom.controlsNext.forEach( function( el ) { el.removeEventListener( eventName, onNavigateNextClicked, false ); } );
 		} );
-
-		if( config.showSlideNumber ) {
-			['ready', 'slidechanged'].forEach( function(eventName) { 
-				document.removeEventListener( eventName, onSlideChanged, false ); 
-			} );
-		}
 	}
 
 	/**
@@ -1548,6 +1538,7 @@ var Reveal = (function(){
 		updateControls();
 		updateProgress();
 		updateBackground();
+		updateSlideNumber();
 
 		// Update the URL hash
 		writeURL();
@@ -1580,7 +1571,7 @@ var Reveal = (function(){
 		updateControls();
 		updateProgress();
 		updateBackground();
-
+		updateSlideNumber();
 	}
 
 	/**
@@ -1789,6 +1780,26 @@ var Reveal = (function(){
 
 	}
 
+	/**
+	 * Updates the slide number div to reflect the current slide.
+	 */
+	function updateSlideNumber() {
+
+		// Update slide number if enabled
+		if( config.showSlideNumber && dom.slideNumber)
+		{
+			var element = dom.slideNumber;
+
+			// change the number of the page using 'indexh - indexv' format
+			var indexString = ( indexh + 1 ).toString();
+			if( indexv > 0 ) {
+				indexString += ' - ' + indexv.toString();
+			}
+
+			element.innerHTML = indexString; 
+		}
+	}
+
 	/**
 	 * Updates the state of all control/navigation arrows.
 	 */
@@ -2651,23 +2662,6 @@ var Reveal = (function(){
 
 	}
 
-	/**
-	 * Invoked when slide changed and on the first time slides are ready
-	 */
-	function onSlideChanged( event ) {
-		var element = dom.slideNumbers;
-
-		// change the number of the page using 'indexh/indexv' format
-		var indexString = ( event.indexh + 1 ).toString();
-		if( indexv > 0 ) {
-			indexString += ' / ' + indexv.toString();
-		}
-
-		element.forEach( function( elm ) { 
-			elm.innerHTML = indexString; 
-		} );
-	}
-
 
 	// --------------------------------------------------------------------//
 	// ------------------------------- API --------------------------------//