diff --git a/dist/reveal.css b/dist/reveal.css
index 628c938..c1e8f3f 100644
--- a/dist/reveal.css
+++ b/dist/reveal.css
@@ -1,5 +1,5 @@
 /*!
-* reveal.js 4.0.0-rc.1 (Wed May 20 2020)
+* reveal.js 4.0.0 (Wed May 20 2020)
 * https://revealjs.com
 * MIT licensed
 *
diff --git a/dist/reveal.esm.js b/dist/reveal.esm.js
index 919c336..71b94ee 100644
--- a/dist/reveal.esm.js
+++ b/dist/reveal.esm.js
@@ -1,9 +1,9 @@
 /*!
-* reveal.js 4.0.0-rc.1 (Wed May 20 2020)
+* reveal.js 4.0.0 (Wed May 20 2020)
 * https://revealjs.com
 * MIT licensed
 *
 * Copyright (C) 2020 Hakim El Hattab, https://hakim.se
 */
-function e(e,t,i){return t in e?Object.defineProperty(e,t,{value:i,enumerable:!0,configurable:!0,writable:!0}):e[t]=i,e}function t(e,t){var i=Object.keys(e);if(Object.getOwnPropertySymbols){var a=Object.getOwnPropertySymbols(e);t&&(a=a.filter((function(t){return Object.getOwnPropertyDescriptor(e,t).enumerable}))),i.push.apply(i,a)}return i}function i(i){for(var a=1;a<arguments.length;a++){var s=null!=arguments[a]?arguments[a]:{};a%2?t(Object(s),!0).forEach((function(t){e(i,t,s[t])})):Object.getOwnPropertyDescriptors?Object.defineProperties(i,Object.getOwnPropertyDescriptors(s)):t(Object(s)).forEach((function(e){Object.defineProperty(i,e,Object.getOwnPropertyDescriptor(s,e))}))}return i}var a=/registerPlugin|registerKeyboardShortcut|addKeyBinding|addEventListener/,s=/fade-(down|up|right|left|out|in-then-out|in-then-semi-out)|semi-fade-out|current-visible|shrink|grow/,n=(e,t)=>{for(var i in t)e[i]=t[i];return 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 t&&(t=e.hasAttribute("data-preload")),t}load(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};e.style.display=this.Reveal.getConfig().display,r(e,"img[data-src], video[data-src], audio[data-src], iframe[data-src]").forEach(e=>{("IFRAME"!==e.tagName||this.shouldPreload(e))&&(e.setAttribute("src",e.getAttribute("data-src")),e.setAttribute("data-lazy-loaded",""),e.removeAttribute("data-src"))}),r(e,"video, audio").forEach(e=>{var t=0;r(e,"source[data-src]").forEach(e=>{e.setAttribute("src",e.getAttribute("data-src")),e.removeAttribute("data-src"),e.setAttribute("data-lazy-loaded",""),t+=1}),t>0&&e.load()});var i=e.slideBackgroundElement;if(i){i.style.display="block";var a=e.slideBackgroundContentElement,s=e.getAttribute("data-background-iframe");if(!1===i.hasAttribute("data-loaded")){i.setAttribute("data-loaded","true");var 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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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; }"))}this.autoAnimateStyleSheet.innerHTML=s.join(""),requestAnimationFrame(()=>{this.autoAnimateStyleSheet&&(getComputedStyle(this.autoAnimateStyleSheet).fontWeight,t.dataset.autoAnimate="running")}),this.Reveal.dispatchEvent({type:"autoanimate",data:{fromSlide:e,toSlide:t,sheet:this.autoAnimateStyleSheet}})}}reset(){r(this.Reveal.getRevealElement(),'[data-auto-animate]:not([data-auto-animate=""])').forEach(e=>{e.dataset.autoAnimate=""}),r(this.Reveal.getRevealElement(),"[data-auto-animate-target]").forEach(e=>{delete e.dataset.autoAnimateTarget}),this.autoAnimateStyleSheet&&this.autoAnimateStyleSheet.parentNode&&(this.autoAnimateStyleSheet.parentNode.removeChild(this.autoAnimateStyleSheet),this.autoAnimateStyleSheet=null)}autoAnimateElements(e,t,i,a,n){e.dataset.autoAnimateTarget="",t.dataset.autoAnimateTarget=n;var r=this.getAutoAnimateOptions(t,a);void 0!==i.delay&&(r.delay=i.delay),void 0!==i.duration&&(r.duration=i.duration),void 0!==i.easing&&(r.easing=i.easing);var 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 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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 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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t=this.Reveal.getConfig();if("function"==typeof t.keyboardCondition&&!1===t.keyboardCondition(e))return!0;if("focused"===t.keyboardCondition&&!this.Reveal.isFocused())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 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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 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l=m.querySelector(".current-fragment");t=l&&l.hasAttribute("data-fragment-index")?parseInt(l.getAttribute("data-fragment-index"),10):m.querySelectorAll(".fragment.visible").length-1}return{h:i,v:a,f:t}}function ot(){return r(j.wrapper,'.slides section:not(.stack):not([data-visibility="uncounted"])')}function lt(){return r(j.wrapper,".slides>section")}function dt(){return r(j.wrapper,".slides>section>section")}function ct(){return r(j.wrapper,".slides>section.stack")}function ht(){return lt().length>1}function ut(){return dt().length>1}function vt(){return ot().map(e=>{for(var t={},i=0;i<e.attributes.length;i++){var a=e.attributes[i];t[a.name]=a.value}return t})}function gt(){return ot().length}function pt(e,t){var i=lt()[e],a=i&&i.querySelectorAll("section");return a&&a.length&&"number"==typeof t?a?a[t]:void 0:i}function mt(e,t){var i="number"==typeof e?pt(e,t):e;if(i)return i.slideBackgroundElement}function ft(){var 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diff --git a/dist/reveal.js b/dist/reveal.js
index 026acf7..3d5ec43 100644
--- a/dist/reveal.js
+++ b/dist/reveal.js
@@ -1,9 +1,9 @@
 /*!
-* reveal.js 4.0.0-rc.1 (Wed May 20 2020)
+* reveal.js 4.0.0 (Wed May 20 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(e,t){for(var i=0;i<t.length;i++){var a=t[i];a.enumerable=a.enumerable||!1,a.configurable=!0,"value"in a&&(a.writable=!0),Object.defineProperty(e,a.key,a)}}function t(e,t,i){return t in e?Object.defineProperty(e,t,{value:i,enumerable:!0,configurable:!0,writable:!0}):e[t]=i,e}function i(e,t){var i=Object.keys(e);if(Object.getOwnPropertySymbols){var a=Object.getOwnPropertySymbols(e);t&&(a=a.filter((function(t){return Object.getOwnPropertyDescriptor(e,t).enumerable}))),i.push.apply(i,a)}return i}function a(e){for(var a=1;a<arguments.length;a++){var 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t=this.createBackground(e,this.element);o(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 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l=r.style.backgroundImage||"";/\.gif/i.test(l)&&(r.style.backgroundImage="",window.getComputedStyle(r).opacity,r.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 x{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||v();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(n)||[""])[0]===(t.className.match(n)||[""])[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="'+s+'"] {'+Object.keys(o.styles).map(e=>e+": "+o.styles[e]+" !important;").join("")+'}[data-auto-animate="running"] [data-auto-animate-target="'+s+'"] {'+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=r(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=this.Reveal.getConfig(),s={styles:[]};if(!1!==i.translate||!1!==i.scale){var n;if("function"==typeof i.measure)n=i.measure(t);else if(a.center)n=t.getBoundingClientRect();else{var r=this.Reveal.getScale();n={x:t.offsetLeft*r,y:t.offsetTop*r,width:t.offsetWidth*r,height:t.offsetHeight*r}}s.x=n.x,s.y=n.y,s.width=n.width,s.height=n.height}var o=getComputedStyle(t);return(i.styles||a.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}:o[t.property])&&(s.styles[t.property]=i)}),s}getAutoAnimatableElements(e,t){var i=("function"==typeof this.Reveal.getConfig().autoAnimateMatcher?this.Reveal.getConfig().autoAnimateMatcher:this.getAutoAnimatePairs).call(this,e,t),a=[];return i.filter((e,t)=>{if(-1===a.indexOf(e.to))return a.push(e.to),!0})}getAutoAnimatePairs(e,t){var i=[],a="h1, h2, h3, h4, h5, h6, p, li";return this.findAutoAnimateMatches(i,e,t,"[data-id]",e=>e.nodeName+":::"+e.getAttribute("data-id")),this.findAutoAnimateMatches(i,e,t,a,e=>e.nodeName+":::"+e.innerText),this.findAutoAnimateMatches(i,e,t,"img, video, iframe",e=>e.nodeName+":::"+(e.getAttribute("src")||e.getAttribute("data-src"))),this.findAutoAnimateMatches(i,e,t,"pre",e=>e.nodeName+":::"+e.innerText),i.forEach(e=>{e.from.matches(a)?e.options={scale:!1}:e.from.matches("pre")&&(e.options={scale:!1,styles:["width","height"]},this.findAutoAnimateMatches(i,e.from,e.to,".hljs .hljs-ln-code",e=>e.textContent,{scale:!1,styles:[],measure:this.getLocalBoundingBox.bind(this)}),this.findAutoAnimateMatches(i,e.from,e.to,".hljs 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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 C{constructor(e){this.Reveal=e}configure(e,t){!1===e.fragments?this.disable():!1===t.fragments&&this.enable()}disable(){o(this.Reveal.getSlidesElement(),".fragment").forEach(e=>{e.classList.add("visible"),e.classList.remove("current-fragment")})}enable(){o(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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s=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)),s||(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,n),-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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t=this.Reveal.getConfig();if("function"==typeof t.keyboardCondition&&!1===t.keyboardCondition(e))return!0;if("focused"===t.keyboardCondition&&!this.Reveal.isFocused())return!0;var i=e.keyCode,a=!this.Reveal.isAutoSliding();this.Reveal.onUserInput(e);var n=document.activeElement&&!0===document.activeElement.isContentEditable,s=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(!(n||s||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 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e=this.Reveal.availableRoutes();[...this.controlsLeft,...this.controlsRight,...this.controlsUp,...this.controlsDown,...this.controlsPrev,...this.controlsNext].forEach(e=>{e.classList.remove("enabled","fragmented"),e.setAttribute("disabled","disabled")}),e.left&&this.controlsLeft.forEach(e=>{e.classList.add("enabled"),e.removeAttribute("disabled")}),e.right&&this.controlsRight.forEach(e=>{e.classList.add("enabled"),e.removeAttribute("disabled")}),e.up&&this.controlsUp.forEach(e=>{e.classList.add("enabled"),e.removeAttribute("disabled")}),e.down&&this.controlsDown.forEach(e=>{e.classList.add("enabled"),e.removeAttribute("disabled")}),(e.left||e.up)&&this.controlsPrev.forEach(e=>{e.classList.add("enabled"),e.removeAttribute("disabled")}),(e.right||e.down)&&this.controlsNext.forEach(e=>{e.classList.add("enabled"),e.removeAttribute("disabled")});var t=this.Reveal.getCurrentSlide();if(t){var 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A},loadSlide:Q.load.bind(Q),unloadSlide:Q.unload.bind(Q),addEventListeners:Ee,removeEventListeners:Se,dispatchEvent:Ce,getState:bt,setState:yt,getProgress:rt,getIndices:ot,getSlidesAttributes:gt,getSlidePastCount:st,getTotalSlides:pt,getSlide:mt,getPreviousSlide:function(){return m},getCurrentSlide:function(){return f},getSlideBackground:ft,getSlideNotes:ue.getSlideNotes.bind(ue),getSlides:lt,getHorizontalSlides:dt,getVerticalSlides:ct,hasHorizontalSlides:ut,hasVerticalSlides:vt,hasNavigatedHorizontally:function(){return k.hasNavigatedHorizontally},hasNavigatedVertically:function(){return k.hasNavigatedVertically},addKeyBinding:ae.addKeyBinding.bind(ae),removeKeyBinding:ae.removeKeyBinding.bind(ae),triggerKey:ae.triggerKey.bind(ae),registerKeyboardShortcut:ae.registerKeyboardShortcut.bind(ae),getComputedSlideSize:Ue,getScale:function(){return V},getConfig:function(){return s},getQueryHash:g,getRevealElement:function(){return t},getSlidesElement:function(){return K.slides},getViewportElement:function(){return K.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 r(w,a(a({},Bt),{},{announceStatus:be,getStatusText:ye,print:de,focus:ce,progress:re,controls:se,location:ne,overview:ie,fragments:te,slideContent:Q,slideNumber:Z,onUserInput:Nt,closeOverlay:He,updateSlidesVisibility:at,layoutSlideContents:Oe,transformSlides:xe,cueAutoSlide:wt,cancelAutoSlide:Rt})),Bt}var j=V,K=[];return j.initialize=e=>(Object.assign(j,new V(document.querySelector(".reveal"),e)),K.map(e=>e(j)),j.initialize()),["on","off","addEventListener","removeEventListener","registerPlugin"].forEach(e=>{j[e]=function(){for(var t=arguments.length,i=new Array(t),a=0;a<t;a++)i[a]=arguments[a];K.push(t=>t[e].call(null,...i))}}),j.VERSION="4.0.0",j}));
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diff --git a/gulpfile.js b/gulpfile.js
index 2cdf441..3145b06 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -245,6 +245,9 @@ gulp.task('package', gulp.series('default', () =>
 
 ))
 
+gulp.task('reload', () => gulp.src(['*.html', '*.md'])
+    .pipe(connect.reload()));
+
 gulp.task('serve', () => {
 
     connect.server({
@@ -254,20 +257,22 @@ gulp.task('serve', () => {
         livereload: true
     })
 
-    gulp.watch(['js/**'], gulp.series('js', 'test'))
+    gulp.watch(['*.html', '*.md'], gulp.series('reload'))
 
-    gulp.watch(['plugin/**/plugin.js'], gulp.series('plugins'))
+    gulp.watch(['js/**'], gulp.series('js', 'reload', 'test'))
 
-    gulp.watch(['test/*.html'], gulp.series('test'))
+    gulp.watch(['plugin/**/plugin.js'], gulp.series('plugins', 'reload'))
 
     gulp.watch([
         'css/theme/source/*.{sass,scss}',
         'css/theme/template/*.{sass,scss}',
-    ], gulp.series('css-themes'))
+    ], gulp.series('css-themes', 'reload'))
 
     gulp.watch([
         'css/*.scss',
         'css/print/*.{sass,scss,css}'
-    ], gulp.series('css-core'))
+    ], gulp.series('css-core', 'reload'))
+
+    gulp.watch(['test/*.html'], gulp.series('test'))
 
 })
\ No newline at end of file