diff --git a/css/reveal.scss b/css/reveal.scss
index 43c2c45..e94f79e 100644
--- a/css/reveal.scss
+++ b/css/reveal.scss
@@ -621,6 +621,11 @@ $controlsArrowAngleActive: 36deg;
 	touch-action: pinch-zoom;
 }
 
+// Swiping on an embedded deck should not block page scrolling
+.reveal.embedded {
+	touch-action: pan-y;
+}
+
 .reveal .slides {
 	position: absolute;
 	width: 100%;
diff --git a/dist/reveal.css b/dist/reveal.css
index b840568..72c7331 100644
--- a/dist/reveal.css
+++ b/dist/reveal.css
@@ -1,8 +1,8 @@
 /*!
-* reveal.js 4.0.0-dev (Mon May 04 2020)
+* reveal.js 4.0.0-dev (Fri May 08 2020)
 * https://revealjs.com
 * MIT licensed
 *
 * Copyright (C) 2020 Hakim El Hattab, https://hakim.se
 */
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diff --git a/dist/reveal.esm.js b/dist/reveal.esm.js
index 1c3ba64..5355dc7 100644
--- a/dist/reveal.esm.js
+++ b/dist/reveal.esm.js
@@ -1,9 +1,9 @@
 /*!
-* reveal.js 4.0.0-dev (Tue May 05 2020)
+* reveal.js 4.0.0-dev (Fri May 08 2020)
 * https://revealjs.com
 * MIT licensed
 *
 * Copyright (C) 2020 Hakim El Hattab, https://hakim.se
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e.dataset.autoAnimateEasing&&(i.easing=e.dataset.autoAnimateEasing),e.dataset.autoAnimateDuration&&(i.duration=parseFloat(e.dataset.autoAnimateDuration)),e.dataset.autoAnimateDelay&&(i.delay=parseFloat(e.dataset.autoAnimateDelay)),i}getAutoAnimatableProperties(e,t,i){var a={styles:[]};if(!1!==i.translate||!1!==i.scale){var s;if("function"==typeof i.measure)s=i.measure(t);else{var n=this.Reveal.getScale();s={x:t.offsetLeft*n,y:t.offsetTop*n,width:t.offsetWidth*n,height:t.offsetHeight*n}}a.x=s.x,a.y=s.y,a.width=s.width,a.height=s.height}var r=getComputedStyle(t);return(i.styles||this.Reveal.getConfig().autoAnimateStyles).forEach(t=>{var i;"string"==typeof t&&(t={property:t}),""!==(i=void 0!==t.from&&"from"===e?{value:t.from,explicitValue:!0}:void 0!==t.to&&"to"===e?{value:t.to,explicitValue:!0}:r[t.property])&&(a.styles[t.property]=i)}),a}getAutoAnimatableElements(e,t){var i=("function"==typeof 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t.hasAttribute("data-auto-animate-target")||i||e.push(t),t.querySelector("[data-auto-animate-target]")&&(e=e.concat(this.getUnmatchedAutoAnimateElements(t))),e},[])}}class L{constructor(e){this.Reveal=e}configure(e,t){!1===e.fragments?this.disable():!1===t.fragments&&this.enable()}disable(){r(this.Reveal.getSlidesElement(),".fragment").forEach(e=>{e.classList.add("visible"),e.classList.remove("current-fragment")})}enable(){r(this.Reveal.getSlidesElement(),".fragment").forEach(e=>{e.classList.remove("visible"),e.classList.remove("current-fragment")})}availableRoutes(){var e=this.Reveal.getCurrentSlide();if(e&&this.Reveal.getConfig().fragments){var t=e.querySelectorAll(".fragment:not(.disabled)"),i=e.querySelectorAll(".fragment:not(.disabled):not(.visible)");return{prev:t.length-i.length>0,next:!!i.length}}return{prev:!1,next:!1}}sort(e){var t=arguments.length>1&&void 0!==arguments[1]&&arguments[1];e=Array.from(e);var 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n=t.classList.contains("visible");t.classList.add("visible"),t.classList.remove("current-fragment"),a===e&&(this.Reveal.announceStatus(this.Reveal.getStatusText(t)),t.classList.add("current-fragment"),this.Reveal.slideContent.startEmbeddedContent(t)),n||(i.shown.push(t),this.Reveal.dispatchEvent({target:t,type:"visible",bubbles:!1}))}else{var r=t.classList.contains("visible");t.classList.remove("visible"),t.classList.remove("current-fragment"),r&&(i.hidden.push(t),this.Reveal.dispatchEvent({target:t,type:"hidden",bubbles:!1}))}}),e="number"==typeof e?e:-1,e=Math.max(Math.min(e,s),-1),a.setAttribute("data-fragment",e)}return i}sync(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:this.Reveal.getCurrentSlide();return this.sort(e.querySelectorAll(".fragment"))}goto(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0,i=this.Reveal.getCurrentSlide();if(i&&this.Reveal.getConfig().fragments){var a=this.sort(i.querySelectorAll(".fragment:not(.disabled)"));if(a.length){if("number"!=typeof e){var s=this.sort(i.querySelectorAll(".fragment:not(.disabled).visible")).pop();e=s?parseInt(s.getAttribute("data-fragment-index")||0,10):-1}e+=t;var n=this.update(e,a);return n.hidden.length&&this.Reveal.dispatchEvent({type:"fragmenthidden",data:{fragment:n.hidden[0],fragments:n.hidden}}),n.shown.length&&this.Reveal.dispatchEvent({type:"fragmentshown",data:{fragment:n.shown[0],fragments:n.shown}}),this.Reveal.controls.update(),this.Reveal.progress.update(),this.Reveal.getConfig().fragmentInURL&&this.Reveal.location.writeURL(),!(!n.shown.length&&!n.hidden.length)}}return!1}next(){return this.goto(null,1)}prev(){return this.goto(null,-1)}}class 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this.active}onSlideClicked(e){if(this.isActive()){e.preventDefault();for(var t=e.target;t&&!t.nodeName.match(/section/gi);)t=t.parentNode;if(t&&!t.classList.contains("disabled")&&(this.deactivate(),t.nodeName.match(/section/gi))){var i=parseInt(t.getAttribute("data-index-h"),10),a=parseInt(t.getAttribute("data-index-v"),10);this.Reveal.slide(i,a)}}}}class C{constructor(e){this.Reveal=e,this.shortcuts={},this.bindings={},this.onDocumentKeyDown=this.onDocumentKeyDown.bind(this),this.onDocumentKeyPress=this.onDocumentKeyPress.bind(this)}configure(e,t){"linear"===e.navigationMode?(this.shortcuts["&#8594;  ,  &#8595;  ,  SPACE  ,  N  ,  L  ,  J"]="Next slide",this.shortcuts["&#8592;  ,  &#8593;  ,  P  ,  H  ,  K"]="Previous slide"):(this.shortcuts["N  ,  SPACE"]="Next slide",this.shortcuts.P="Previous slide",this.shortcuts["&#8592;  ,  H"]="Navigate left",this.shortcuts["&#8594;  ,  L"]="Navigate right",this.shortcuts["&#8593;  ,  K"]="Navigate up",this.shortcuts["&#8595;  ,  J"]="Navigate 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t.keyboardCondition&&!1===t.keyboardCondition(e))return!0;var i=e.keyCode,a=!this.Reveal.isAutoSliding();this.Reveal.onUserInput(e);var s=document.activeElement&&!0===document.activeElement.isContentEditable,n=document.activeElement&&document.activeElement.tagName&&/input|textarea/i.test(document.activeElement.tagName),r=document.activeElement&&document.activeElement.className&&/speaker-notes/i.test(document.activeElement.className),o=e.shiftKey&&32===e.keyCode,l=e.shiftKey&&37===i,d=e.shiftKey&&39===i,c=!o&&!l&&!d&&(e.shiftKey||e.altKey||e.ctrlKey||e.metaKey);if(!(s||n||r||c)){var h,u=[66,86,190,191];if("object"==typeof t.keyboard)for(h in t.keyboard)"togglePause"===t.keyboard[h]&&u.push(parseInt(h,10));if(this.Reveal.isPaused()&&-1===u.indexOf(i))return!1;var v,g,p="linear"===t.navigationMode||!this.Reveal.hasHorizontalSlides()||!this.Reveal.hasVerticalSlides(),m=!1;if("object"==typeof t.keyboard)for(h in t.keyboard)if(parseInt(h,10)===i){var f=t.keyboard[h];"function"==typeof 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N{constructor(e){this.Reveal=e,this.onNavigateLeftClicked=this.onNavigateLeftClicked.bind(this),this.onNavigateRightClicked=this.onNavigateRightClicked.bind(this),this.onNavigateUpClicked=this.onNavigateUpClicked.bind(this),this.onNavigateDownClicked=this.onNavigateDownClicked.bind(this),this.onNavigatePrevClicked=this.onNavigatePrevClicked.bind(this),this.onNavigateNextClicked=this.onNavigateNextClicked.bind(this)}render(){var e=this.Reveal.getConfig().rtl,t=this.Reveal.getRevealElement();this.element=document.createElement("aside"),this.element.className="controls",this.element.innerHTML='<button class="navigate-left" aria-label="'.concat(e?"next slide":"previous slide",'"><div class="controls-arrow"></div></button>\n\t\t\t<button class="navigate-right" aria-label="').concat(e?"previous slide":"next slide",'"><div class="controls-arrow"></div></button>\n\t\t\t<button class="navigate-up" aria-label="above slide"><div class="controls-arrow"></div></button>\n\t\t\t<button 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e},r=(e,t)=>Array.from(e.querySelectorAll(t)),o=(e,t,i)=>{i?e.classList.add(t):e.classList.remove(t)},l=e=>{if("string"==typeof e){if("null"===e)return null;if("true"===e)return!0;if("false"===e)return!1;if(e.match(/^-?[\d\.]+$/))return parseFloat(e)}return e},d=(e,t)=>{e.style.transform=t},c=(e,t)=>{for(var i=e.parentNode;i;){var a=i.matches||i.matchesSelector||i.msMatchesSelector;if(a&&a.call(i,t))return i;i=i.parentNode}return null},h=function(e,t,i){for(var a=arguments.length>3&&void 0!==arguments[3]?arguments[3]:"",s=e.querySelectorAll("."+i),n=0;n<s.length;n++){var r=s[n];if(r.parentNode===e)return r}var o=document.createElement(t);return o.className=i,o.innerHTML=a,e.appendChild(o),o},u=e=>{var t=document.createElement("style");return t.type="text/css",e&&e.length>0&&(t.styleSheet?t.styleSheet.cssText=e:t.appendChild(document.createTextNode(e))),document.head.appendChild(t),t},v=()=>{var e={};for(var t in location.search.replace(/[A-Z0-9]+?=([\w\.%-]*)/gi,t=>{e[t.split("=").shift()]=t.split("=").pop()}),e){var i=e[t];e[t]=l(unescape(i))}return void 0!==e.dependencies&&delete e.dependencies,e},g=function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0;if(e){var i,a=e.style.height;return e.style.height="0px",e.parentNode.style.height="auto",i=t-e.parentNode.offsetHeight,e.style.height=a+"px",e.parentNode.style.removeProperty("height"),i}return t},p=navigator.userAgent,m=document.createElement("div"),f=/(iphone|ipod|ipad|android)/gi.test(p)||"MacIntel"===navigator.platform&&navigator.maxTouchPoints>1,b=/chrome/i.test(p)&&!/edge/i.test(p),y=/android/gi.test(p),w="zoom"in m.style&&!f&&(b||/Version\/[\d\.]+.*Safari/.test(p)),R="function"==typeof window.history.replaceState&&!/PhantomJS/.test(p);class A{constructor(e){this.Reveal=e,this.startEmbeddedIframe=this.startEmbeddedIframe.bind(this)}shouldPreload(e){var t=this.Reveal.getConfig().preloadIframes;return"boolean"!=typeof 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n=e.getAttribute("data-background-image"),o=e.getAttribute("data-background-video"),l=e.hasAttribute("data-background-video-loop"),d=e.hasAttribute("data-background-video-muted");if(n)a.style.backgroundImage="url("+encodeURI(n)+")";else if(o&&!this.Reveal.isSpeakerNotes()){var c=document.createElement("video");l&&c.setAttribute("loop",""),d&&(c.muted=!0),f&&(c.muted=!0,c.autoplay=!0,c.setAttribute("playsinline","")),o.split(",").forEach(e=>{c.innerHTML+='<source src="'+e+'">'}),a.appendChild(c)}else if(s&&!0!==t.excludeIframes){var h=document.createElement("iframe");h.setAttribute("allowfullscreen",""),h.setAttribute("mozallowfullscreen",""),h.setAttribute("webkitallowfullscreen",""),h.setAttribute("allow","autoplay"),h.setAttribute("data-src",s),h.style.width="100%",h.style.height="100%",h.style.maxHeight="100%",h.style.maxWidth="100%",a.appendChild(h)}}var u=a.querySelector("iframe[data-src]");u&&this.shouldPreload(i)&&!/autoplay=(1|true|yes)/gi.test(s)&&u.getAttribute("src")!==s&&u.setAttribute("src",s)}}unload(e){e.style.display="none";var t=this.Reveal.getSlideBackground(e);t&&(t.style.display="none",r(t,"iframe[src]").forEach(e=>{e.removeAttribute("src")})),r(e,"video[data-lazy-loaded][src], audio[data-lazy-loaded][src], iframe[data-lazy-loaded][src]").forEach(e=>{e.setAttribute("data-src",e.getAttribute("src")),e.removeAttribute("src")}),r(e,"video[data-lazy-loaded] source[src], audio source[src]").forEach(e=>{e.setAttribute("data-src",e.getAttribute("src")),e.removeAttribute("src")})}formatEmbeddedContent(){var e=(e,t,i)=>{r(this.Reveal.getSlidesElement(),"iframe["+e+'*="'+t+'"]').forEach(t=>{var 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s&&(s=t.hasAttribute("data-autoplay")||!!c(t,".slide-background")),/youtube\.com\/embed\//.test(t.getAttribute("src"))&&s?t.contentWindow.postMessage('{"event":"command","func":"playVideo","args":""}',"*"):/player\.vimeo\.com\//.test(t.getAttribute("src"))&&s?t.contentWindow.postMessage('{"method":"play"}',"*"):t.contentWindow.postMessage("slide:start","*")}}}stopEmbeddedContent(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};t=n({unloadIframes:!0},t),e&&e.parentNode&&(r(e,"video, audio").forEach(e=>{e.hasAttribute("data-ignore")||"function"!=typeof e.pause||(e.setAttribute("data-paused-by-reveal",""),e.pause())}),r(e,"iframe").forEach(e=>{e.contentWindow&&e.contentWindow.postMessage("slide:stop","*"),e.removeEventListener("load",this.startEmbeddedIframe)}),r(e,'iframe[src*="youtube.com/embed/"]').forEach(e=>{!e.hasAttribute("data-ignore")&&e.contentWindow&&"function"==typeof e.contentWindow.postMessage&&e.contentWindow.postMessage('{"event":"command","func":"pauseVideo","args":""}',"*")}),r(e,'iframe[src*="player.vimeo.com/"]').forEach(e=>{!e.hasAttribute("data-ignore")&&e.contentWindow&&"function"==typeof e.contentWindow.postMessage&&e.contentWindow.postMessage('{"method":"pause"}',"*")}),!0===t.unloadIframes&&r(e,"iframe[data-src]").forEach(e=>{e.setAttribute("src","about:blank"),e.removeAttribute("src")}))}}class E{constructor(e){this.Reveal=e}render(){this.element=document.createElement("div"),this.element.className="slide-number",this.Reveal.getRevealElement().appendChild(this.element)}configure(e,t){var i="none";e.slideNumber&&!this.Reveal.isPrintingPDF()&&("all"===e.showSlideNumber||"speaker"===e.showSlideNumber&&this.Reveal.isSpeakerNotes())&&(i="block"),this.element.style.display=i}update(){this.Reveal.getConfig().slideNumber&&this.element&&(this.element.innerHTML=this.getSlideNumber())}getSlideNumber(){var e,t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:this.Reveal.getCurrentSlide(),i=this.Reveal.getConfig(),a="h.v";if("function"==typeof i.slideNumber)e=i.slideNumber(t);else switch("string"==typeof i.slideNumber&&(a=i.slideNumber),/c/.test(a)||1!==this.Reveal.getHorizontalSlides().length||(a="c"),e=[],a){case"c":e.push(this.Reveal.getSlidePastCount(t)+1);break;case"c/t":e.push(this.Reveal.getSlidePastCount(t)+1,"/",this.Reveal.getTotalSlides());break;default:var s=this.Reveal.getIndices(t);e.push(s.h+1);var n="h/v"===a?"/":".";this.Reveal.isVerticalSlide(t)&&e.push(n,s.v+1)}var r="#"+this.Reveal.location.getHash(t);return this.formatNumber(e[0],e[1],e[2],r)}formatNumber(e,t,i){var a=arguments.length>3&&void 0!==arguments[3]?arguments[3]:"#"+this.Reveal.location.getHash();return"number"!=typeof i||isNaN(i)?'<a href="'.concat(a,'">\n\t\t\t\t\t<span class="slide-number-a">').concat(e,"</span>\n\t\t\t\t\t</a>"):'<a href="'.concat(a,'">\n\t\t\t\t\t<span class="slide-number-a">').concat(e,'</span>\n\t\t\t\t\t<span class="slide-number-delimiter">').concat(t,'</span>\n\t\t\t\t\t<span class="slide-number-b">').concat(i,"</span>\n\t\t\t\t\t</a>")}}var S=e=>{var t=e.match(/^#([0-9a-f]{3})$/i);if(t&&t[1])return t=t[1],{r:17*parseInt(t.charAt(0),16),g:17*parseInt(t.charAt(1),16),b:17*parseInt(t.charAt(2),16)};var i=e.match(/^#([0-9a-f]{6})$/i);if(i&&i[1])return i=i[1],{r:parseInt(i.substr(0,2),16),g:parseInt(i.substr(2,2),16),b:parseInt(i.substr(4,2),16)};var a=e.match(/^rgb\s*\(\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*\)$/i);if(a)return{r:parseInt(a[1],10),g:parseInt(a[2],10),b:parseInt(a[3],10)};var s=e.match(/^rgba\s*\(\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*\,\s*([\d]+|[\d]*.[\d]+)\s*\)$/i);return s?{r:parseInt(s[1],10),g:parseInt(s[2],10),b:parseInt(s[3],10),a:parseFloat(s[4])}:null};class k{constructor(e){this.Reveal=e}render(){this.element=document.createElement("div"),this.element.className="backgrounds",this.Reveal.getRevealElement().appendChild(this.element)}create(){this.Reveal.isPrintingPDF();this.element.innerHTML="",this.element.classList.add("no-transition"),this.Reveal.getHorizontalSlides().forEach(e=>{var t=this.createBackground(e,this.element);r(e,"section").forEach(e=>{this.createBackground(e,t),t.classList.add("stack")})}),this.Reveal.getConfig().parallaxBackgroundImage?(this.element.style.backgroundImage='url("'+this.Reveal.getConfig().parallaxBackgroundImage+'")',this.element.style.backgroundSize=this.Reveal.getConfig().parallaxBackgroundSize,this.element.style.backgroundRepeat=this.Reveal.getConfig().parallaxBackgroundRepeat,this.element.style.backgroundPosition=this.Reveal.getConfig().parallaxBackgroundPosition,setTimeout(()=>{this.Reveal.getRevealElement().classList.add("has-parallax-background")},1)):(this.element.style.backgroundImage="",this.Reveal.getRevealElement().classList.remove("has-parallax-background"))}createBackground(e,t){var i=document.createElement("div");i.className="slide-background "+e.className.replace(/present|past|future/,"");var a=document.createElement("div");return a.className="slide-background-content",i.appendChild(a),t.appendChild(i),e.slideBackgroundElement=i,e.slideBackgroundContentElement=a,this.sync(e),i}sync(e){var t=e.slideBackgroundElement,i=e.slideBackgroundContentElement;e.classList.remove("has-dark-background"),e.classList.remove("has-light-background"),t.removeAttribute("data-loaded"),t.removeAttribute("data-background-hash"),t.removeAttribute("data-background-size"),t.removeAttribute("data-background-transition"),t.style.backgroundColor="",i.style.backgroundSize="",i.style.backgroundRepeat="",i.style.backgroundPosition="",i.style.backgroundImage="",i.style.opacity="",i.innerHTML="";var a={background:e.getAttribute("data-background"),backgroundSize:e.getAttribute("data-background-size"),backgroundImage:e.getAttribute("data-background-image"),backgroundVideo:e.getAttribute("data-background-video"),backgroundIframe:e.getAttribute("data-background-iframe"),backgroundColor:e.getAttribute("data-background-color"),backgroundRepeat:e.getAttribute("data-background-repeat"),backgroundPosition:e.getAttribute("data-background-position"),backgroundTransition:e.getAttribute("data-background-transition"),backgroundOpacity:e.getAttribute("data-background-opacity")};a.background&&(/^(http|file|\/\/)/gi.test(a.background)||/\.(svg|png|jpg|jpeg|gif|bmp)([?#\s]|$)/gi.test(a.background)?e.setAttribute("data-background-image",a.background):t.style.background=a.background),(a.background||a.backgroundColor||a.backgroundImage||a.backgroundVideo||a.backgroundIframe)&&t.setAttribute("data-background-hash",a.background+a.backgroundSize+a.backgroundImage+a.backgroundVideo+a.backgroundIframe+a.backgroundColor+a.backgroundRepeat+a.backgroundPosition+a.backgroundTransition+a.backgroundOpacity),a.backgroundSize&&t.setAttribute("data-background-size",a.backgroundSize),a.backgroundColor&&(t.style.backgroundColor=a.backgroundColor),a.backgroundTransition&&t.setAttribute("data-background-transition",a.backgroundTransition),e.hasAttribute("data-preload")&&t.setAttribute("data-preload",""),a.backgroundSize&&(i.style.backgroundSize=a.backgroundSize),a.backgroundRepeat&&(i.style.backgroundRepeat=a.backgroundRepeat),a.backgroundPosition&&(i.style.backgroundPosition=a.backgroundPosition),a.backgroundOpacity&&(i.style.opacity=a.backgroundOpacity);var s,n=a.backgroundColor;if(!n){var r=window.getComputedStyle(t);r&&r.backgroundColor&&(n=r.backgroundColor)}if(n){var o=S(n);o&&0!==o.a&&("string"==typeof(s=n)&&(s=S(s)),(s?(299*s.r+587*s.g+114*s.b)/1e3:null)<128?e.classList.add("has-dark-background"):e.classList.add("has-light-background"))}}update(){var e=arguments.length>0&&void 0!==arguments[0]&&arguments[0],t=this.Reveal.getCurrentSlide(),i=this.Reveal.getIndices(),a=null,s=this.Reveal.getConfig().rtl?"future":"past",n=this.Reveal.getConfig().rtl?"past":"future";if(Array.from(this.element.childNodes).forEach((t,o)=>{t.classList.remove("past","present","future"),o<i.h?t.classList.add(s):o>i.h?t.classList.add(n):(t.classList.add("present"),a=t),(e||o===i.h)&&r(t,".slide-background").forEach((e,t)=>{e.classList.remove("past","present","future"),t<i.v?e.classList.add("past"):t>i.v?e.classList.add("future"):(e.classList.add("present"),o===i.h&&(a=e))})}),this.previousBackground&&this.Reveal.slideContent.stopEmbeddedContent(this.previousBackground,{unloadIframes:!this.Reveal.slideContent.shouldPreload(this.previousBackground)}),a){this.Reveal.slideContent.startEmbeddedContent(a);var o=a.querySelector(".slide-background-content");if(o){var l=o.style.backgroundImage||"";/\.gif/i.test(l)&&(o.style.backgroundImage="",window.getComputedStyle(o).opacity,o.style.backgroundImage=l)}var d=this.previousBackground?this.previousBackground.getAttribute("data-background-hash"):null,c=a.getAttribute("data-background-hash");c&&c===d&&a!==this.previousBackground&&this.element.classList.add("no-transition"),this.previousBackground=a}t&&["has-light-background","has-dark-background"].forEach(e=>{t.classList.contains(e)?this.Reveal.getRevealElement().classList.add(e):this.Reveal.getRevealElement().classList.remove(e)},this),setTimeout(()=>{this.element.classList.remove("no-transition")},1)}updateParallax(){var e=this.Reveal.getIndices();if(this.Reveal.getConfig().parallaxBackgroundImage){var t,i,a=this.Reveal.getHorizontalSlides(),s=this.Reveal.getVerticalSlides(),n=this.element.style.backgroundSize.split(" ");1===n.length?t=i=parseInt(n[0],10):(t=parseInt(n[0],10),i=parseInt(n[1],10));var r,o=this.element.offsetWidth,l=a.length;r=("number"==typeof this.Reveal.getConfig().parallaxBackgroundHorizontal?this.Reveal.getConfig().parallaxBackgroundHorizontal:l>1?(t-o)/(l-1):0)*e.h*-1;var d,c,h=this.element.offsetHeight,u=s.length;d="number"==typeof this.Reveal.getConfig().parallaxBackgroundVertical?this.Reveal.getConfig().parallaxBackgroundVertical:(i-h)/(u-1),c=u>0?d*e.v:0,this.element.style.backgroundPosition=r+"px "+-c+"px"}}}class L{constructor(e){this.Reveal=e,this.autoAnimateCounter=0}run(e,t){if(this.reset(),e.hasAttribute("data-auto-animate")&&t.hasAttribute("data-auto-animate")){this.autoAnimateStyleSheet=this.autoAnimateStyleSheet||u();var i=this.getAutoAnimateOptions(t);e.dataset.autoAnimate="pending",t.dataset.autoAnimate="pending";var a=this.Reveal.getSlides();i.slideDirection=a.indexOf(t)>a.indexOf(e)?"forward":"backward";var s=this.getAutoAnimatableElements(e,t).map(e=>this.autoAnimateElements(e.from,e.to,e.options||{},i,this.autoAnimateCounter++));if("false"!==t.dataset.autoAnimateUnmatched&&!0===this.Reveal.getConfig().autoAnimateUnmatched){var n=.8*i.duration,r=.2*i.duration;this.getUnmatchedAutoAnimateElements(t).forEach(e=>{var t=this.getAutoAnimateOptions(e,i),a="unmatched";t.duration===i.duration&&t.delay===i.delay||(a="unmatched-"+this.autoAnimateCounter++,s.push('[data-auto-animate="running"] [data-auto-animate-target="'.concat(a,'"] { transition: opacity ').concat(t.duration,"s ease ").concat(t.delay,"s; }"))),e.dataset.autoAnimateTarget=a},this),s.push('[data-auto-animate="running"] [data-auto-animate-target="unmatched"] { transition: opacity '.concat(n,"s ease ").concat(r,"s; 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o=this.getAutoAnimatableProperties("from",e,i),l=this.getAutoAnimatableProperties("to",t,i);t.classList.contains("fragment")&&(delete l.styles.opacity,e.classList.contains("fragment")&&(e.className.match(s)||[""])[0]===(t.className.match(s)||[""])[0]&&"forward"===a.slideDirection&&t.classList.add("visible","disabled"));if(!1!==i.translate||!1!==i.scale){var d=this.Reveal.getScale(),c={x:(o.x-l.x)/d,y:(o.y-l.y)/d,scaleX:o.width/l.width,scaleY:o.height/l.height};c.x=Math.round(1e3*c.x)/1e3,c.y=Math.round(1e3*c.y)/1e3,c.scaleX=Math.round(1e3*c.scaleX)/1e3,c.scaleX=Math.round(1e3*c.scaleX)/1e3;var h=!1!==i.translate&&(0!==c.x||0!==c.y),u=!1!==i.scale&&(0!==c.scaleX||0!==c.scaleY);if(h||u){var v=[];h&&v.push("translate(".concat(c.x,"px, ").concat(c.y,"px)")),u&&v.push("scale(".concat(c.scaleX,", ").concat(c.scaleY,")")),o.styles.transform=v.join(" "),o.styles["transform-origin"]="top left",l.styles.transform="none"}}for(var g in l.styles){var p=l.styles[g],m=o.styles[g];p===m?delete l.styles[g]:(!0===p.explicitValue&&(l.styles[g]=p.value),!0===m.explicitValue&&(o.styles[g]=m.value))}var f="",b=Object.keys(l.styles);b.length>0&&(o.styles.transition="none",l.styles.transition="all ".concat(r.duration,"s ").concat(r.easing," ").concat(r.delay,"s"),l.styles["transition-property"]=b.join(", "),l.styles["will-change"]=b.join(", "),f='[data-auto-animate-target="'+n+'"] {'+Object.keys(o.styles).map(e=>e+": "+o.styles[e]+" !important;").join("")+'}[data-auto-animate="running"] [data-auto-animate-target="'+n+'"] {'+Object.keys(l.styles).map(e=>e+": "+l.styles[e]+" !important;").join("")+"}");return f}getAutoAnimateOptions(e,t){var i={easing:this.Reveal.getConfig().autoAnimateEasing,duration:this.Reveal.getConfig().autoAnimateDuration,delay:0};if(i=n(i,t),e.closest&&e.parentNode){var a=e.parentNode.closest("[data-auto-animate-target]");a&&(i=this.getAutoAnimateOptions(a,i))}return e.dataset.autoAnimateEasing&&(i.easing=e.dataset.autoAnimateEasing),e.dataset.autoAnimateDuration&&(i.duration=parseFloat(e.dataset.autoAnimateDuration)),e.dataset.autoAnimateDelay&&(i.delay=parseFloat(e.dataset.autoAnimateDelay)),i}getAutoAnimatableProperties(e,t,i){var a={styles:[]};if(!1!==i.translate||!1!==i.scale){var s;if("function"==typeof i.measure)s=i.measure(t);else{var n=this.Reveal.getScale();s={x:t.offsetLeft*n,y:t.offsetTop*n,width:t.offsetWidth*n,height:t.offsetHeight*n}}a.x=s.x,a.y=s.y,a.width=s.width,a.height=s.height}var r=getComputedStyle(t);return(i.styles||this.Reveal.getConfig().autoAnimateStyles).forEach(t=>{var i;"string"==typeof t&&(t={property:t}),""!==(i=void 0!==t.from&&"from"===e?{value:t.from,explicitValue:!0}:void 0!==t.to&&"to"===e?{value:t.to,explicitValue:!0}:r[t.property])&&(a.styles[t.property]=i)}),a}getAutoAnimatableElements(e,t){var i=("function"==typeof 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t.hasAttribute("data-auto-animate-target")||i||e.push(t),t.querySelector("[data-auto-animate-target]")&&(e=e.concat(this.getUnmatchedAutoAnimateElements(t))),e},[])}}class x{constructor(e){this.Reveal=e}configure(e,t){!1===e.fragments?this.disable():!1===t.fragments&&this.enable()}disable(){r(this.Reveal.getSlidesElement(),".fragment").forEach(e=>{e.classList.add("visible"),e.classList.remove("current-fragment")})}enable(){r(this.Reveal.getSlidesElement(),".fragment").forEach(e=>{e.classList.remove("visible"),e.classList.remove("current-fragment")})}availableRoutes(){var e=this.Reveal.getCurrentSlide();if(e&&this.Reveal.getConfig().fragments){var t=e.querySelectorAll(".fragment:not(.disabled)"),i=e.querySelectorAll(".fragment:not(.disabled):not(.visible)");return{prev:t.length-i.length>0,next:!!i.length}}return{prev:!1,next:!1}}sort(e){var t=arguments.length>1&&void 0!==arguments[1]&&arguments[1];e=Array.from(e);var i=[],a=[],s=[];e.forEach(e=>{if(e.hasAttribute("data-fragment-index")){var t=parseInt(e.getAttribute("data-fragment-index"),10);i[t]||(i[t]=[]),i[t].push(e)}else a.push([e])}),i=i.concat(a);var n=0;return i.forEach(e=>{e.forEach(e=>{s.push(e),e.setAttribute("data-fragment-index",n)}),n++}),!0===t?i:s}sortAll(){this.Reveal.getHorizontalSlides().forEach(e=>{var t=r(e,"section");t.forEach((e,t)=>{this.sort(e.querySelectorAll(".fragment"))},this),0===t.length&&this.sort(e.querySelectorAll(".fragment"))})}update(e,t){var i={shown:[],hidden:[]},a=this.Reveal.getCurrentSlide();if(a&&this.Reveal.getConfig().fragments&&(t=t||this.sort(a.querySelectorAll(".fragment"))).length){var s=0;if("number"!=typeof e){var n=this.sort(a.querySelectorAll(".fragment.visible")).pop();n&&(e=parseInt(n.getAttribute("data-fragment-index")||0,10))}Array.from(t).forEach((t,a)=>{if(t.hasAttribute("data-fragment-index")&&(a=parseInt(t.getAttribute("data-fragment-index"),10)),s=Math.max(s,a),a<=e){var n=t.classList.contains("visible");t.classList.add("visible"),t.classList.remove("current-fragment"),a===e&&(this.Reveal.announceStatus(this.Reveal.getStatusText(t)),t.classList.add("current-fragment"),this.Reveal.slideContent.startEmbeddedContent(t)),n||(i.shown.push(t),this.Reveal.dispatchEvent({target:t,type:"visible",bubbles:!1}))}else{var r=t.classList.contains("visible");t.classList.remove("visible"),t.classList.remove("current-fragment"),r&&(i.hidden.push(t),this.Reveal.dispatchEvent({target:t,type:"hidden",bubbles:!1}))}}),e="number"==typeof e?e:-1,e=Math.max(Math.min(e,s),-1),a.setAttribute("data-fragment",e)}return i}sync(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:this.Reveal.getCurrentSlide();return this.sort(e.querySelectorAll(".fragment"))}goto(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0,i=this.Reveal.getCurrentSlide();if(i&&this.Reveal.getConfig().fragments){var 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n(y,i({},Tt,{announceStatus:me,getStatusText:fe,print:le,progress:ne,controls:se,location:ae,overview:te,fragments:ee,slideContent:J,slideNumber:Q,onUserInput:Ct,closeOverlay:De,updateSlidesVisibility:tt,layoutSlideContents:He,transformSlides:ke,cueAutoSlide:bt,cancelAutoSlide:yt})),Tt}var K=W,V=[];K.initialize=e=>(Object.assign(K,new W(document.querySelector(".reveal"),e)),V.map(e=>e(K)),K.initialize()),["on","off","addEventListener","removeEventListener","registerPlugin"].forEach(e=>{K[e]=function(){for(var t=arguments.length,i=new Array(t),a=0;a<t;a++)i[a]=arguments[a];V.push(t=>t[e].call(null,...i))}});export default K;
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diff --git a/dist/reveal.js b/dist/reveal.js
index e1c2d05..eb42382 100644
--- a/dist/reveal.js
+++ b/dist/reveal.js
@@ -1,9 +1,9 @@
 /*!
-* reveal.js 4.0.0-dev (Tue May 05 2020)
+* reveal.js 4.0.0-dev (Fri May 08 2020)
 * https://revealjs.com
 * MIT licensed
 *
 * Copyright (C) 2020 Hakim El Hattab, https://hakim.se
 */
-!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?module.exports=t():"function"==typeof define&&define.amd?define(t):(e=e||self).Reveal=t()}(this,(function(){"use strict";function e(t){return(e="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e})(t)}function t(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function i(e,t){for(var i=0;i<t.length;i++){var n=t[i];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(e,n.key,n)}}function n(e,t,n){return t&&i(e.prototype,t),n&&i(e,n),e}function a(e,t,i){return t in e?Object.defineProperty(e,t,{value:i,enumerable:!0,configurable:!0,writable:!0}):e[t]=i,e}function r(e,t){var i=Object.keys(e);if(Object.getOwnPropertySymbols){var n=Object.getOwnPropertySymbols(e);t&&(n=n.filter((function(t){return 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t=parseInt(e.getAttribute("data-fragment-index"),10);i[t]||(i[t]=[]),i[t].push(e)}else n.push([e])})),i=i.concat(n);var r=0;return i.forEach((function(e){e.forEach((function(e){a.push(e),e.setAttribute("data-fragment-index",r)})),r++})),!0===t?i:a}},{key:"sortAll",value:function(){var e=this;this.Reveal.getHorizontalSlides().forEach((function(t){var i=h(t,"section");i.forEach((function(t,i){e.sort(t.querySelectorAll(".fragment"))}),e),0===i.length&&e.sort(t.querySelectorAll(".fragment"))}))}},{key:"update",value:function(e,t){var i=this,n={shown:[],hidden:[]},a=this.Reveal.getCurrentSlide();if(a&&this.Reveal.getConfig().fragments&&(t=t||this.sort(a.querySelectorAll(".fragment"))).length){var r=0;if("number"!=typeof e){var 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i=this.Reveal.getIndices();this.Reveal.dispatchEvent({type:"overviewshown",data:{indexh:i.h,indexv:i.v,currentSlide:this.Reveal.getCurrentSlide()}})}}},{key:"layout",value:function(){var e=this;this.Reveal.getHorizontalSlides().forEach((function(t,i){t.setAttribute("data-index-h",i),g(t,"translate3d("+i*e.overviewSlideWidth+"px, 0, 0)"),t.classList.contains("stack")&&h(t,"section").forEach((function(t,n){t.setAttribute("data-index-h",i),t.setAttribute("data-index-v",n),g(t,"translate3d(0, "+n*e.overviewSlideHeight+"px, 0)")}))})),Array.from(this.Reveal.getBackgroundsElement().childNodes).forEach((function(t,i){g(t,"translate3d("+i*e.overviewSlideWidth+"px, 0, 0)"),h(t,".slide-background").forEach((function(t,i){g(t,"translate3d(0, "+i*e.overviewSlideHeight+"px, 0)")}))}))}},{key:"update",value:function(){var e=Math.min(window.innerWidth,window.innerHeight),t=Math.max(e/5,150)/e,i=this.Reveal.getIndices();this.Reveal.transformSlides({overview:["scale("+t+")","translateX("+-i.h*this.overviewSlideWidth+"px)","translateY("+-i.v*this.overviewSlideHeight+"px)"].join(" ")})}},{key:"deactivate",value:function(){var e=this;if(this.Reveal.getConfig().overview){this.active=!1,this.Reveal.getRevealElement().classList.remove("overview"),this.Reveal.getRevealElement().classList.add("overview-deactivating"),setTimeout((function(){e.Reveal.getRevealElement().classList.remove("overview-deactivating")}),1),this.Reveal.getRevealElement().appendChild(this.Reveal.getBackgroundsElement()),h(this.Reveal.getRevealElement(),".slides section").forEach((function(t){g(t,""),t.removeEventListener("click",e.onSlideClicked,!0)})),h(this.Reveal.getBackgroundsElement(),".slide-background").forEach((function(e){g(e,"")})),this.Reveal.transformSlides({overview:""});var t=this.Reveal.getIndices();this.Reveal.slide(t.h,t.v),this.Reveal.layout(),this.Reveal.cueAutoSlide(),this.Reveal.dispatchEvent({type:"overviewhidden",data:{indexh:t.h,indexv:t.v,currentSlide:this.Reveal.getCurrentSlide()}})}}},{key:"toggle",value:function(e){"boolean"==typeof e?e?this.activate():this.deactivate():this.isActive()?this.deactivate():this.activate()}},{key:"isActive",value:function(){return this.active}},{key:"onSlideClicked",value:function(e){if(this.isActive()){e.preventDefault();for(var t=e.target;t&&!t.nodeName.match(/section/gi);)t=t.parentNode;if(t&&!t.classList.contains("disabled")&&(this.deactivate(),t.nodeName.match(/section/gi))){var i=parseInt(t.getAttribute("data-index-h"),10),n=parseInt(t.getAttribute("data-index-v"),10);this.Reveal.slide(i,n)}}}}]),e}(),H=function(){function i(e){t(this,i),this.Reveal=e,this.shortcuts={},this.bindings={},this.onDocumentKeyDown=this.onDocumentKeyDown.bind(this),this.onDocumentKeyPress=this.onDocumentKeyPress.bind(this)}return 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i.keyboardCondition&&!1===i.keyboardCondition(t))return!0;var n=t.keyCode,a=!this.Reveal.isAutoSliding();this.Reveal.onUserInput(t);var r=document.activeElement&&!0===document.activeElement.isContentEditable,s=document.activeElement&&document.activeElement.tagName&&/input|textarea/i.test(document.activeElement.tagName),o=document.activeElement&&document.activeElement.className&&/speaker-notes/i.test(document.activeElement.className),l=t.shiftKey&&32===t.keyCode,d=t.shiftKey&&37===n,u=t.shiftKey&&39===n,c=!l&&!d&&!u&&(t.shiftKey||t.altKey||t.ctrlKey||t.metaKey);if(!(r||s||o||c)){var h,v=[66,86,190,191];if("object"===e(i.keyboard))for(h in i.keyboard)"togglePause"===i.keyboard[h]&&v.push(parseInt(h,10));if(this.Reveal.isPaused()&&-1===v.indexOf(n))return!1;var f,g,p="linear"===i.navigationMode||!this.Reveal.hasHorizontalSlides()||!this.Reveal.hasVerticalSlides(),m=!1;if("object"===e(i.keyboard))for(h in i.keyboard)if(parseInt(h,10)===n){var y=i.keyboard[h];"function"==typeof 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e(i){t(this,e),this.Reveal=i,this.writeURLTimeout=0,this.onWindowHashChange=this.onWindowHashChange.bind(this)}return n(e,[{key:"bind",value:function(){window.addEventListener("hashchange",this.onWindowHashChange,!1)}},{key:"unbind",value:function(){window.removeEventListener("hashchange",this.onWindowHashChange,!1)}},{key:"readURL",value:function(){var e=this.Reveal.getConfig(),t=this.Reveal.getIndices(),i=this.Reveal.getCurrentSlide(),n=window.location.hash,a=n.slice(2).split("/"),r=n.replace(/#\/?/gi,"");if(!/^[0-9]*$/.test(a[0])&&r.length){var s,o;/\/[-\d]+$/g.test(r)&&(o=parseInt(r.split("/").pop(),10),o=isNaN(o)?void 0:o,r=r.split("/").shift());try{s=document.getElementById(decodeURIComponent(r))}catch(e){}var l=!!i&&i.getAttribute("id")===r;if(s){if(!l||void 0!==o){var d=this.Reveal.getIndices(s);this.Reveal.slide(d.h,d.v,o)}}else this.Reveal.slide(t.h||0,t.v||0)}else{var 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r=this.Reveal.getConfig().hashOneBasedIndex?1:0;(a.h>0||a.v>0||a.f>=0)&&(t+=a.h+r),(a.v>0||a.f>=0)&&(t+="/"+(a.v+r)),a.f>=0&&(t+="/"+a.f)}return t}},{key:"onWindowHashChange",value:function(e){this.readURL()}}]),e}(),B=function(){function e(i){t(this,e),this.Reveal=i,this.onNavigateLeftClicked=this.onNavigateLeftClicked.bind(this),this.onNavigateRightClicked=this.onNavigateRightClicked.bind(this),this.onNavigateUpClicked=this.onNavigateUpClicked.bind(this),this.onNavigateDownClicked=this.onNavigateDownClicked.bind(this),this.onNavigatePrevClicked=this.onNavigatePrevClicked.bind(this),this.onNavigateNextClicked=this.onNavigateNextClicked.bind(this)}return n(e,[{key:"render",value:function(){var e=this.Reveal.getConfig().rtl,t=this.Reveal.getRevealElement();this.element=document.createElement("aside"),this.element.className="controls",this.element.innerHTML='<button class="navigate-left" aria-label="'.concat(e?"next slide":"previous slide",'"><div 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i.addEventListener(t,e.onNavigateLeftClicked,!1)})),e.controlsRight.forEach((function(i){return i.addEventListener(t,e.onNavigateRightClicked,!1)})),e.controlsUp.forEach((function(i){return i.addEventListener(t,e.onNavigateUpClicked,!1)})),e.controlsDown.forEach((function(i){return i.addEventListener(t,e.onNavigateDownClicked,!1)})),e.controlsPrev.forEach((function(i){return i.addEventListener(t,e.onNavigatePrevClicked,!1)})),e.controlsNext.forEach((function(i){return i.addEventListener(t,e.onNavigateNextClicked,!1)}))}))}},{key:"unbind",value:function(){var e=this;["touchstart","click"].forEach((function(t){e.controlsLeft.forEach((function(i){return i.removeEventListener(t,e.onNavigateLeftClicked,!1)})),e.controlsRight.forEach((function(i){return i.removeEventListener(t,e.onNavigateRightClicked,!1)})),e.controlsUp.forEach((function(i){return i.removeEventListener(t,e.onNavigateUpClicked,!1)})),e.controlsDown.forEach((function(i){return i.removeEventListener(t,e.onNavigateDownClicked,!1)})),e.controlsPrev.forEach((function(i){return i.removeEventListener(t,e.onNavigatePrevClicked,!1)})),e.controlsNext.forEach((function(i){return i.removeEventListener(t,e.onNavigateNextClicked,!1)}))}))}},{key:"update",value:function(){var e=this.Reveal.availableRoutes();[].concat(o(this.controlsLeft),o(this.controlsRight),o(this.controlsUp),o(this.controlsDown),o(this.controlsPrev),o(this.controlsNext)).forEach((function(e){e.classList.remove("enabled","fragmented"),e.setAttribute("disabled","disabled")})),e.left&&this.controlsLeft.forEach((function(e){e.classList.add("enabled"),e.removeAttribute("disabled")})),e.right&&this.controlsRight.forEach((function(e){e.classList.add("enabled"),e.removeAttribute("disabled")})),e.up&&this.controlsUp.forEach((function(e){e.classList.add("enabled"),e.removeAttribute("disabled")})),e.down&&this.controlsDown.forEach((function(e){e.classList.add("enabled"),e.removeAttribute("disabled")})),(e.left||e.up)&&this.controlsPrev.forEach((function(e){e.classList.add("enabled"),e.removeAttribute("disabled")})),(e.right||e.down)&&this.controlsNext.forEach((function(e){e.classList.add("enabled"),e.removeAttribute("disabled")}));var t=this.Reveal.getCurrentSlide();if(t){var 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Ht={VERSION:y,initialize:he,configure:we,sync:Qe,syncSlide:Ze,syncFragments:te.sync.bind(te),slide:Je,left:Rt,right:Et,up:St,down:Lt,prev:xt,next:Ct,navigateLeft:Rt,navigateRight:Et,navigateUp:St,navigateDown:Lt,navigatePrev:xt,navigateNext:Ct,navigateFragment:te.goto.bind(te),prevFragment:te.prev.bind(te),nextFragment:te.next.bind(te),on:Ee,off:Se,addEventListener:Ee,removeEventListener:Se,layout:He,shuffle:et,availableRoutes:nt,availableFragments:te.availableRoutes.bind(te),toggleHelp:Ie,toggleOverview:ie.toggle.bind(ie),togglePause:Xe,toggleAutoSlide:$e,isFirstSlide:je,isLastSlide:Ke,isLastVerticalSlide:We,isVerticalSlide:qe,isPaused:Ye,isAutoSliding:_e,isSpeakerNotes:ce.isSpeakerNotesWindow.bind(ce),isOverview:ie.isActive.bind(ie),isPrintingPDF:de.isPrintingPDF.bind(de),isReady:function(){return w},loadSlide:Q.load.bind(Q),unloadSlide:Q.unload.bind(Q),addEventListeners:Ae,removeEventListeners:Re,dispatchEvent:xe,getState:mt,setState:yt,getProgress:rt,getIndices:st,getSlidesAttributes:vt,getSlidePastCount:at,getTotalSlides:ft,getSlide:gt,getPreviousSlide:function(){return o},getCurrentSlide:function(){return l},getSlideBackground:pt,getSlideNotes:ce.getSlideNotes.bind(ce),getSlides:ot,getHorizontalSlides:lt,getVerticalSlides:dt,hasHorizontalSlides:ct,hasVerticalSlides:ht,hasNavigatedHorizontally:function(){return A.hasNavigatedHorizontally},hasNavigatedVertically:function(){return A.hasNavigatedVertically},addKeyBinding:ne.addKeyBinding.bind(ne),removeKeyBinding:ne.removeKeyBinding.bind(ne),triggerKey:ne.triggerKey.bind(ne),registerKeyboardShortcut:ne.registerKeyboardShortcut.bind(ne),getComputedSlideSize:Be,getScale:function(){return S},getConfig:function(){return n},getQueryHash:b,getRevealElement:function(){return t},getSlidesElement:function(){return N.slides},getViewportElement:function(){return N.viewport},getBackgroundsElement:function(){return ee.element},registerPlugin:le.registerPlugin.bind(le),hasPlugin:le.hasPlugin.bind(le),getPlugin:le.getPlugin.bind(le),getPlugins:le.getRegisteredPlugins.bind(le)};return c(p,s({},Ht,{announceStatus:me,getStatusText:ye,print:de,progress:se,controls:re,location:ae,overview:ie,fragments:te,slideContent:Q,slideNumber:Z,onUserInput:Pt,closeOverlay:Te,updateSlidesVisibility:it,layoutSlideContents:Oe,transformSlides:Le,cueAutoSlide:bt,cancelAutoSlide:kt})),Ht}var $=Y,_=[];return $.initialize=function(e){return Object.assign($,new Y(document.querySelector(".reveal"),e)),_.map((function(e){return e($)})),$.initialize()},["on","off","addEventListener","removeEventListener","registerPlugin"].forEach((function(e){$[e]=function(){for(var t=arguments.length,i=new Array(t),n=0;n<t;n++)i[n]=arguments[n];_.push((function(t){var n;return(n=t[e]).call.apply(n,[null].concat(i))}))}})),$}));
 //# sourceMappingURL=reveal.js.map
diff --git a/examples/multiple-presentations.html b/examples/multiple-presentations.html
index e7965a8..5b29613 100644
--- a/examples/multiple-presentations.html
+++ b/examples/multiple-presentations.html
@@ -57,7 +57,7 @@
 			</div>
 		</div>
 
-		<script src="../dist/reveal.es5.js"></script>
+		<script src="../dist/reveal.js"></script>
 		<script src="../dist/plugin/highlight.js"></script>
 		<script src="../dist/plugin/markdown.js"></script>
 		<script src="../dist/plugin/math.js"></script>
diff --git a/js/controllers/touch.js b/js/controllers/touch.js
index c1e1292..3a31885 100644
--- a/js/controllers/touch.js
+++ b/js/controllers/touch.js
@@ -1,3 +1,5 @@
+import { isAndroid } from '../utils/device.js'
+
 const SWIPE_THRESHOLD = 40;
 
 /**
@@ -30,7 +32,7 @@ export default class Touch {
 	 */
 	bind() {
 
-		var revealElement = this.Reveal.getRevealElement();
+		let revealElement = this.Reveal.getRevealElement();
 
 		if( 'onpointerdown' in window ) {
 			// Use W3C pointer events
@@ -58,7 +60,7 @@ export default class Touch {
 	 */
 	unbind() {
 
-		var revealElement = this.Reveal.getRevealElement();
+		let revealElement = this.Reveal.getRevealElement();
 
 		revealElement.removeEventListener( 'pointerdown', this.onPointerDown, false );
 		revealElement.removeEventListener( 'pointermove', this.onPointerMove, false );
@@ -126,6 +128,8 @@ export default class Touch {
 			// There was only one touch point, look for a swipe
 			if( event.touches.length === 1 && this.touchStartCount !== 2 ) {
 
+				let availableRoutes = this.Reveal.availableRoutes({ includeFragments: true });
+
 				let deltaX = currentX - this.touchStartX,
 					deltaY = currentY - this.touchStartY;
 
@@ -136,7 +140,7 @@ export default class Touch {
 							this.Reveal.next();
 						}
 						else {
-							this.Reveal.prev()();
+							this.Reveal.prev();
 						}
 					}
 					else {
@@ -147,7 +151,7 @@ export default class Touch {
 					this.touchCaptured = true;
 					if( config.navigationMode === 'linear' ) {
 						if( config.rtl ) {
-							this.Reveal.prev()();
+							this.Reveal.prev();
 						}
 						else {
 							this.Reveal.next();
@@ -157,16 +161,16 @@ export default class Touch {
 						this.Reveal.right();
 					}
 				}
-				else if( deltaY > SWIPE_THRESHOLD ) {
+				else if( deltaY > SWIPE_THRESHOLD && availableRoutes.up ) {
 					this.touchCaptured = true;
 					if( config.navigationMode === 'linear' ) {
-						this.Reveal.prev()();
+						this.Reveal.prev();
 					}
 					else {
 						this.Reveal.up();
 					}
 				}
-				else if( deltaY < -SWIPE_THRESHOLD ) {
+				else if( deltaY < -SWIPE_THRESHOLD && availableRoutes.down ) {
 					this.touchCaptured = true;
 					if( config.navigationMode === 'linear' ) {
 						this.Reveal.next();
@@ -179,7 +183,7 @@ export default class Touch {
 				// If we're embedded, only block touch events if they have
 				// triggered an action
 				if( config.embedded ) {
-					if( this.touchCaptured || this.Reveal.isVerticalSlide( currentSlide ) ) {
+					if( this.touchCaptured || this.Reveal.isVerticalSlide() ) {
 						event.preventDefault();
 					}
 				}
diff --git a/js/reveal.js b/js/reveal.js
index 2deab6a..db6c4aa 100644
--- a/js/reveal.js
+++ b/js/reveal.js
@@ -417,19 +417,9 @@ export default function( revealElement, options ) {
 			shuffle();
 		}
 
-		if( config.rtl ) {
-			dom.wrapper.classList.add( 'rtl' );
-		}
-		else {
-			dom.wrapper.classList.remove( 'rtl' );
-		}
-
-		if( config.center ) {
-			dom.wrapper.classList.add( 'center' );
-		}
-		else {
-			dom.wrapper.classList.remove( 'center' );
-		}
+		Util.toggleClass( dom.wrapper, 'embedded', config.embedded );
+		Util.toggleClass( dom.wrapper, 'rtl', config.rtl );
+		Util.toggleClass( dom.wrapper, 'center', config.center );
 
 		// Exit the paused mode if it was configured off
 		if( config.pause === false ) {
@@ -1666,7 +1656,7 @@ export default function( revealElement, options ) {
 	 *
 	 * @return {{left: boolean, right: boolean, up: boolean, down: boolean}}
 	 */
-	function availableRoutes() {
+	function availableRoutes({ includeFragments = false } = {}) {
 
 		let horizontalSlides = dom.wrapper.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR ),
 			verticalSlides = dom.wrapper.querySelectorAll( VERTICAL_SLIDES_SELECTOR );
@@ -1697,6 +1687,17 @@ export default function( revealElement, options ) {
 			routes.left = routes.left || routes.up;
 		}
 
+		// If includeFragments is set, a route will be considered
+		// availalbe if either a slid OR fragment is available in
+		// the given direction
+		if( includeFragments === true ) {
+			let fragmentRoutes = fragments.availableRoutes();
+			routes.left = routes.left || fragmentRoutes.prev;
+			routes.up = routes.up || fragmentRoutes.prev;
+			routes.down = routes.down || fragmentRoutes.next;
+			routes.right = routes.right || fragmentRoutes.next;
+		}
+
 		// Reverse horizontal controls for rtl
 		if( config.rtl ) {
 			let left = routes.left;
diff --git a/js/utils/util.js b/js/utils/util.js
index bcaf9e3..b3ffc73 100644
--- a/js/utils/util.js
+++ b/js/utils/util.js
@@ -24,6 +24,18 @@ export const queryAll = ( el, selector ) => {
 
 }
 
+/**
+ * classList.toggle() with cross browser support
+ */
+export const toggleClass = ( el, className, value ) => {
+	if( value ) {
+		el.classList.add( className );
+	}
+	else {
+		el.classList.remove( className );
+	}
+}
+
 /**
  * Utility for deserializing a value.
  *
diff --git a/test/test.html b/test/test.html
index a7c76dd..b0b771d 100644
--- a/test/test.html
+++ b/test/test.html
@@ -272,6 +272,9 @@
 
 					Reveal.slide( 1, 0 );
 					assert.deepEqual( Reveal.availableRoutes(), { left: true, up: false, down: true, right: true }, 'correct for vertical slide' );
+
+					Reveal.slide( 0, 0 );
+					assert.deepEqual( Reveal.availableRoutes({ includeFragments: true }), { left: false, up: false, down: false, right: true }, 'correct with fragments included' );
 				});
 
 				QUnit.test( 'Reveal.next', function( assert ) {