add 'resume presentation' button to pause overlay

css/reveal.css

@@ -964,6 +964,21 @@ body {
   z-index: 100;
   transition: all 1s ease; }
 
+.reveal .pause-overlay .resume-button {
+  position: absolute;
+  bottom: 20px;
+  right: 20px;
+  color: #ccc;
+  border-radius: 2px;
+  padding: 6px 14px;
+  border: 2px solid #ccc;
+  font-size: 16px;
+  background: transparent;
+  cursor: pointer; }
+  .reveal .pause-overlay .resume-button:hover {
+    color: #fff;
+    border-color: #fff; }
+
 .reveal.paused .pause-overlay {
   visibility: visible;
   opacity: 1; }

css/reveal.scss

@@ -1034,6 +1034,25 @@ $controlsArrowAngleActive: 36deg;
 	z-index: 100;
 	transition: all 1s ease;
 }
+
+.reveal .pause-overlay .resume-button {
+	position: absolute;
+	bottom: 20px;
+	right: 20px;
+	color: #ccc;
+	border-radius: 2px;
+	padding: 6px 14px;
+	border: 2px solid #ccc;
+	font-size: 16px;
+	background: transparent;
+	cursor: pointer;
+
+	&:hover {
+		color: #fff;
+		border-color: #fff;
+	}
+}
+
 .reveal.paused .pause-overlay {
 	visibility: visible;
 	opacity: 1;

js/reveal.js

@@ -593,7 +593,8 @@
 		dom.speakerNotes.setAttribute( 'tabindex', '0' );
 
 		// Overlay graphic which is displayed during the paused mode
-		createSingletonNode( dom.wrapper, 'div', 'pause-overlay', null );
+		dom.pauseOverlay = createSingletonNode( dom.wrapper, 'div', 'pause-overlay', '<button class="resume-button">Resume presentation</button>' );
+		dom.resumeButton = dom.pauseOverlay.querySelector( '.resume-button' );
 
 		dom.wrapper.setAttribute( 'role', 'application' );
 
@@ -1298,6 +1299,8 @@
 			dom.progress.addEventListener( 'click', onProgressClicked, false );
 		}
 
+		dom.resumeButton.addEventListener( 'click', resume, false );
+
 		if( config.focusBodyOnPageVisibilityChange ) {
 			var visibilityChange;
 
@@ -1361,6 +1364,8 @@
 		dom.wrapper.removeEventListener( 'touchmove', onTouchMove, false );
 		dom.wrapper.removeEventListener( 'touchend', onTouchEnd, false );
 
+		dom.resumeButton.removeEventListener( 'click', resume, false );
+
 		if ( config.progress && dom.progress ) {
 			dom.progress.removeEventListener( 'click', onProgressClicked, false );
 		}