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reveal.scss
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/*!
* reveal.js
* http://lab.hakim.se/reveal-js
* MIT licensed
*
* Copyright (C) 2015 Hakim El Hattab, http://hakim.se
*/
/*********************************************
* RESET STYLES
*********************************************/
html, body, .reveal div, .reveal span, .reveal applet, .reveal object, .reveal iframe,
.reveal h1, .reveal h2, .reveal h3, .reveal h4, .reveal h5, .reveal h6, .reveal p, .reveal blockquote, .reveal pre,
.reveal a, .reveal abbr, .reveal acronym, .reveal address, .reveal big, .reveal cite, .reveal code,
.reveal del, .reveal dfn, .reveal em, .reveal img, .reveal ins, .reveal kbd, .reveal q, .reveal s, .reveal samp,
.reveal small, .reveal strike, .reveal strong, .reveal sub, .reveal sup, .reveal tt, .reveal var,
.reveal b, .reveal u, .reveal center,
.reveal dl, .reveal dt, .reveal dd, .reveal ol, .reveal ul, .reveal li,
.reveal fieldset, .reveal form, .reveal label, .reveal legend,
.reveal table, .reveal caption, .reveal tbody, .reveal tfoot, .reveal thead, .reveal tr, .reveal th, .reveal td,
.reveal article, .reveal aside, .reveal canvas, .reveal details, .reveal embed,
.reveal figure, .reveal figcaption, .reveal footer, .reveal header, .reveal hgroup,
.reveal menu, .reveal nav, .reveal output, .reveal ruby, .reveal section, .reveal summary,
.reveal time, .reveal mark, .reveal audio, video {
margin: 0;
padding: 0;
border: 0;
font-size: 100%;
font: inherit;
vertical-align: baseline;
}
.reveal article, .reveal aside, .reveal details, .reveal figcaption, .reveal figure,
.reveal footer, .reveal header, .reveal hgroup, .reveal menu, .reveal nav, .reveal section {
display: block;
}
/*********************************************
* GLOBAL STYLES
*********************************************/
html,
body {
width: 100%;
height: 100%;
overflow: hidden;
}
body {
position: relative;
line-height: 1;
background-color: #fff;
color: #000;
}
::-moz-selection {
background: #FF5E99;
color: #fff;
text-shadow: none;
}
::selection {
background: #FF5E99;
color: #fff;
text-shadow: none;
}
/*********************************************
* VIEW FRAGMENTS
*********************************************/
.reveal .slides section .fragment {
opacity: 0;
visibility: hidden;
transition: all .2s ease;
&.visible {
opacity: 1;
visibility: visible;
}
}
.reveal .slides section .fragment.grow {
opacity: 1;
visibility: visible;
&.visible {
transform: scale( 1.3 );
}
}
.reveal .slides section .fragment.shrink {
opacity: 1;
visibility: visible;
&.visible {
transform: scale( 0.7 );
}
}
.reveal .slides section .fragment.zoom-in {
transform: scale( 0.1 );
&.visible {
transform: scale( 1 );
}
}
.reveal .slides section .fragment.roll-in {
transform: rotateX( 90deg );
&.visible {
transform: rotateX( 0 );
}
}
.reveal .slides section .fragment.fade-out {
opacity: 1;
visibility: visible;
&.visible {
opacity: 0;
visibility: hidden;
}
}
.reveal .slides section .fragment.semi-fade-out {
opacity: 1;
visibility: visible;
&.visible {
opacity: 0.5;
visibility: visible;
}
}
.reveal .slides section .fragment.strike {
opacity: 1;
&.visible {
text-decoration: line-through;
}
}
.reveal .slides section .fragment.current-visible {
opacity: 0;
visibility: hidden;
&.current-fragment {
opacity: 1;
visibility: visible;
}
}
.reveal .slides section .fragment.highlight-red,
.reveal .slides section .fragment.highlight-current-red,
.reveal .slides section .fragment.highlight-green,
.reveal .slides section .fragment.highlight-current-green,
.reveal .slides section .fragment.highlight-blue,
.reveal .slides section .fragment.highlight-current-blue {
opacity: 1;
visibility: visible;
}
.reveal .slides section .fragment.highlight-red.visible {
color: #ff2c2d
}
.reveal .slides section .fragment.highlight-green.visible {
color: #17ff2e;
}
.reveal .slides section .fragment.highlight-blue.visible {
color: #1b91ff;
}
.reveal .slides section .fragment.highlight-current-red.current-fragment {
color: #ff2c2d
}
.reveal .slides section .fragment.highlight-current-green.current-fragment {
color: #17ff2e;
}
.reveal .slides section .fragment.highlight-current-blue.current-fragment {
color: #1b91ff;
}
/*********************************************
* DEFAULT ELEMENT STYLES
*********************************************/
/* Fixes issue in Chrome where italic fonts did not appear when printing to PDF */
.reveal:after {
content: '';
font-style: italic;
}
.reveal iframe {
z-index: 1;
}
/** Prevents layering issues in certain browser/transition combinations */
.reveal a {
position: relative;
}
.reveal .stretch {
max-width: none;
max-height: none;
}
.reveal pre.stretch code {
height: 100%;
max-height: 100%;
box-sizing: border-box;
}
/*********************************************
* CONTROLS
*********************************************/
.reveal .controls {
display: none;
position: fixed;
width: 110px;
height: 110px;
z-index: 30;
right: 10px;
bottom: 10px;
-webkit-user-select: none;
}
.reveal .controls div {
position: absolute;
opacity: 0.05;
width: 0;
height: 0;
border: 12px solid transparent;
transform: scale(.9999);
transition: all 0.2s ease;
-webkit-tap-highlight-color: rgba( 0, 0, 0, 0 );
}
.reveal .controls div.enabled {
opacity: 0.7;
cursor: pointer;
}
.reveal .controls div.enabled:active {
margin-top: 1px;
}
.reveal .controls div.navigate-left {
top: 42px;
border-right-width: 22px;
border-right-color: #000;
}
.reveal .controls div.navigate-left.fragmented {
opacity: 0.3;
}
.reveal .controls div.navigate-right {
left: 74px;
top: 42px;
border-left-width: 22px;
border-left-color: #000;
}
.reveal .controls div.navigate-right.fragmented {
opacity: 0.3;
}
.reveal .controls div.navigate-up {
left: 42px;
border-bottom-width: 22px;
border-bottom-color: #000;
}
.reveal .controls div.navigate-up.fragmented {
opacity: 0.3;
}
.reveal .controls div.navigate-down {
left: 42px;
top: 74px;
border-top-width: 22px;
border-top-color: #000;
}
.reveal .controls div.navigate-down.fragmented {
opacity: 0.3;
}
/*********************************************
* PROGRESS BAR
*********************************************/
.reveal .progress {
position: fixed;
display: none;
height: 3px;
width: 100%;
bottom: 0;
left: 0;
z-index: 10;
background-color: rgba( 0, 0, 0, 0.2 );
}
.reveal .progress:after {
content: '';
display: block;
position: absolute;
height: 20px;
width: 100%;
top: -20px;
}
.reveal .progress span {
display: block;
height: 100%;
width: 0px;
background-color: #000;
transition: width 800ms cubic-bezier(0.260, 0.860, 0.440, 0.985);
}
/*********************************************
* SLIDE NUMBER
*********************************************/
.reveal .slide-number {
position: fixed;
display: block;
right: 15px;
bottom: 15px;
opacity: 0.5;
z-index: 31;
font-size: 12px;
}
/*********************************************
* SLIDES
*********************************************/
.reveal {
position: relative;
width: 100%;
height: 100%;
touch-action: none;
}
.reveal .slides {
position: absolute;
width: 100%;
height: 100%;
top: 0;
right: 0;
bottom: 0;
left: 0;
margin: auto;
overflow: visible;
z-index: 1;
text-align: center;
perspective: 600px;
perspective-origin: 50% 40%;
}
.reveal .slides>section {
-ms-perspective: 600px;
}
.reveal .slides>section,
.reveal .slides>section>section {
display: none;
position: absolute;
width: 100%;
padding: 20px 0px;
z-index: 10;
transform-style: preserve-3d;
transition: transform-origin 800ms cubic-bezier(0.260, 0.860, 0.440, 0.985),
transform 800ms cubic-bezier(0.260, 0.860, 0.440, 0.985),
visibility 800ms cubic-bezier(0.260, 0.860, 0.440, 0.985),
opacity 800ms cubic-bezier(0.260, 0.860, 0.440, 0.985);
}
/* Global transition speed settings */
.reveal[data-transition-speed="fast"] .slides section {
transition-duration: 400ms;
}
.reveal[data-transition-speed="slow"] .slides section {
transition-duration: 1200ms;
}
/* Slide-specific transition speed overrides */
.reveal .slides section[data-transition-speed="fast"] {
transition-duration: 400ms;
}
.reveal .slides section[data-transition-speed="slow"] {
transition-duration: 1200ms;
}
.reveal .slides>section.stack {
padding-top: 0;
padding-bottom: 0;
}
.reveal .slides>section.present,
.reveal .slides>section>section.present {
display: block;
z-index: 11;
opacity: 1;
}
.reveal.center,
.reveal.center .slides,
.reveal.center .slides section {
min-height: 0 !important;
}
/* Don't allow interaction with invisible slides */
.reveal .slides>section.future,
.reveal .slides>section>section.future,
.reveal .slides>section.past,
.reveal .slides>section>section.past {
pointer-events: none;
}
.reveal.overview .slides>section,
.reveal.overview .slides>section>section {
pointer-events: auto;
}
.reveal .slides>section.past,
.reveal .slides>section.future,
.reveal .slides>section>section.past,
.reveal .slides>section>section.future {
opacity: 0;
}
/*********************************************
* SLIDE TRANSITION
* Aliased 'linear' for backwards compatibility
*********************************************/
.reveal.slide section,
.reveal.linear section {
backface-visibility: hidden;
}
.reveal .slides>section[data-transition=slide].past,
.reveal.slide .slides>section:not([data-transition]).past,
.reveal .slides>section[data-transition=linear].past,
.reveal.linear .slides>section:not([data-transition]).past {
transform: translate(-150%, 0);
}
.reveal .slides>section[data-transition=slide].future,
.reveal.slide .slides>section:not([data-transition]).future,
.reveal .slides>section[data-transition=linear].future,
.reveal.linear .slides>section:not([data-transition]).future {
transform: translate(150%, 0);
}
.reveal .slides>section>section[data-transition=slide].past,
.reveal.slide .slides>section>section:not([data-transition]).past,
.reveal .slides>section>section[data-transition=linear].past,
.reveal.linear .slides>section>section:not([data-transition]).past {
transform: translate(0, -150%);
}
.reveal .slides>section>section[data-transition=slide].future,
.reveal.slide .slides>section>section:not([data-transition]).future,
.reveal .slides>section>section[data-transition=linear].future,
.reveal.linear .slides>section>section:not([data-transition]).future {
transform: translate(0, 150%);
}
/*********************************************
* CONVEX TRANSITION
* Aliased 'default' for backwards compatibility
*********************************************/
.reveal .slides>section[data-transition=default].past,
.reveal.default .slides>section:not([data-transition]).past,
.reveal .slides>section[data-transition=convex].past,
.reveal.convex .slides>section:not([data-transition]).past {
transform: translate3d(-100%, 0, 0) rotateY(-90deg) translate3d(-100%, 0, 0);
}
.reveal .slides>section[data-transition=default].future,
.reveal.default .slides>section:not([data-transition]).future,
.reveal .slides>section[data-transition=convex].future,
.reveal.convex .slides>section:not([data-transition]).future {
transform: translate3d(100%, 0, 0) rotateY(90deg) translate3d(100%, 0, 0);
}
.reveal .slides>section>section[data-transition=default].past,
.reveal.default .slides>section>section:not([data-transition]).past,
.reveal .slides>section>section[data-transition=convex].past,
.reveal.convex .slides>section>section:not([data-transition]).past {
transform: translate3d(0, -300px, 0) rotateX(70deg) translate3d(0, -300px, 0);
}
.reveal .slides>section>section[data-transition=default].future,
.reveal.default .slides>section>section:not([data-transition]).future,
.reveal .slides>section>section[data-transition=convex].future,
.reveal.convex .slides>section>section:not([data-transition]).future {
transform: translate3d(0, 300px, 0) rotateX(-70deg) translate3d(0, 300px, 0);
}
/*********************************************
* CONCAVE TRANSITION
*********************************************/
.reveal .slides>section[data-transition=concave].past,
.reveal.concave .slides>section:not([data-transition]).past {
transform: translate3d(-100%, 0, 0) rotateY(90deg) translate3d(-100%, 0, 0);
}
.reveal .slides>section[data-transition=concave].future,
.reveal.concave .slides>section:not([data-transition]).future {
transform: translate3d(100%, 0, 0) rotateY(-90deg) translate3d(100%, 0, 0);
}
.reveal .slides>section>section[data-transition=concave].past,
.reveal.concave .slides>section>section:not([data-transition]).past {
transform: translate3d(0, -80%, 0) rotateX(-70deg) translate3d(0, -80%, 0);
}
.reveal .slides>section>section[data-transition=concave].future,
.reveal.concave .slides>section>section:not([data-transition]).future {
transform: translate3d(0, 80%, 0) rotateX(70deg) translate3d(0, 80%, 0);
}
/*********************************************
* ZOOM TRANSITION
*********************************************/
.reveal .slides>section[data-transition=zoom],
.reveal.zoom .slides>section:not([data-transition]) {
transition-timing-function: ease;
}
.reveal .slides>section[data-transition=zoom].past,
.reveal.zoom .slides>section:not([data-transition]).past {
visibility: hidden;
transform: scale(16);
}
.reveal .slides>section[data-transition=zoom].future,
.reveal.zoom .slides>section:not([data-transition]).future {
visibility: hidden;
transform: scale(0.2);
}
.reveal .slides>section>section[data-transition=zoom].past,
.reveal.zoom .slides>section>section:not([data-transition]).past {
transform: translate(0, -150%);
}
.reveal .slides>section>section[data-transition=zoom].future,
.reveal.zoom .slides>section>section:not([data-transition]).future {
transform: translate(0, 150%);
}
/*********************************************
* CUBE TRANSITION
*********************************************/
.reveal.cube .slides {
perspective: 1300px;
}
.reveal.cube .slides section {
padding: 30px;
min-height: 700px;
backface-visibility: hidden;
box-sizing: border-box;
}
.reveal.center.cube .slides section {
min-height: 0;
}
.reveal.cube .slides section:not(.stack):before {
content: '';
position: absolute;
display: block;
width: 100%;
height: 100%;
left: 0;
top: 0;
background: rgba(0,0,0,0.1);
border-radius: 4px;
transform: translateZ( -20px );
}
.reveal.cube .slides section:not(.stack):after {
content: '';
position: absolute;
display: block;
width: 90%;
height: 30px;
left: 5%;
bottom: 0;
background: none;
z-index: 1;
border-radius: 4px;
box-shadow: 0px 95px 25px rgba(0,0,0,0.2);
transform: translateZ(-90px) rotateX( 65deg );
}
.reveal.cube .slides>section.stack {
padding: 0;
background: none;
}
.reveal.cube .slides>section.past {
transform-origin: 100% 0%;
transform: translate3d(-100%, 0, 0) rotateY(-90deg);
}
.reveal.cube .slides>section.future {
transform-origin: 0% 0%;
transform: translate3d(100%, 0, 0) rotateY(90deg);
}
.reveal.cube .slides>section>section.past {
transform-origin: 0% 100%;
transform: translate3d(0, -100%, 0) rotateX(90deg);
}
.reveal.cube .slides>section>section.future {
transform-origin: 0% 0%;
transform: translate3d(0, 100%, 0) rotateX(-90deg);
}
/*********************************************
* PAGE TRANSITION
*********************************************/
.reveal.page .slides {
perspective-origin: 0% 50%;
perspective: 3000px;
}
.reveal.page .slides section {
padding: 30px;
min-height: 700px;
box-sizing: border-box;
}
.reveal.page .slides section.past {
z-index: 12;
}
.reveal.page .slides section:not(.stack):before {
content: '';
position: absolute;
display: block;
width: 100%;
height: 100%;
left: 0;
top: 0;
background: rgba(0,0,0,0.1);
transform: translateZ( -20px );
}
.reveal.page .slides section:not(.stack):after {
content: '';
position: absolute;
display: block;
width: 90%;
height: 30px;
left: 5%;
bottom: 0;
background: none;
z-index: 1;
border-radius: 4px;
box-shadow: 0px 95px 25px rgba(0,0,0,0.2);
-webkit-transform: translateZ(-90px) rotateX( 65deg );
}
.reveal.page .slides>section.stack {
padding: 0;
background: none;
}
.reveal.page .slides>section.past {
transform-origin: 0% 0%;
transform: translate3d(-40%, 0, 0) rotateY(-80deg);
}
.reveal.page .slides>section.future {
transform-origin: 100% 0%;
transform: translate3d(0, 0, 0);
}
.reveal.page .slides>section>section.past {
transform-origin: 0% 0%;
transform: translate3d(0, -40%, 0) rotateX(80deg);
}
.reveal.page .slides>section>section.future {
transform-origin: 0% 100%;
transform: translate3d(0, 0, 0);
}
/*********************************************
* FADE TRANSITION
*********************************************/
.reveal .slides section[data-transition=fade],
.reveal.fade .slides section:not([data-transition]),
.reveal.fade .slides>section>section:not([data-transition]) {
transform: none;
transition: opacity 0.5s;
}
.reveal.fade.overview .slides section,
.reveal.fade.overview .slides>section>section {
transition: none;
}
/*********************************************
* NO TRANSITION
*********************************************/
.reveal .slides section[data-transition=none],
.reveal.none .slides section:not([data-transition]) {
transform: none;
transition: none;
}
/*********************************************
* OVERVIEW
*********************************************/
.reveal.overview .slides {
perspective-origin: 50% 50%;
perspective: 700px;
}
.reveal.overview .slides section {
height: 700px;
overflow: hidden;
opacity: 1 !important;
visibility: visible !important;
cursor: pointer;
background: rgba(0,0,0,0.1);
box-sizing: border-box;
}
.reveal.overview .slides section,
.reveal.overview-deactivating .slides section {
transition: none !important;
}
.reveal.overview .slides section .fragment {
opacity: 1;
}
.reveal.overview .slides section:after,
.reveal.overview .slides section:before {
display: none !important;
}
.reveal.overview .slides section>section {
opacity: 1;
cursor: pointer;
}
.reveal.overview .slides section:hover {
background: rgba(0,0,0,0.3);
}
.reveal.overview .slides section.present {
background: rgba(0,0,0,0.3);
}
.reveal.overview .slides>section.stack {
padding: 0;
top: 0 !important;
background: none;
overflow: visible;
}
/*********************************************
* PAUSED MODE
*********************************************/
.reveal .pause-overlay {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
background: black;
visibility: hidden;
opacity: 0;
z-index: 100;
transition: all 1s ease;
}
.reveal.paused .pause-overlay {
visibility: visible;
opacity: 1;
}
/*********************************************
* FALLBACK
*********************************************/
.no-transforms {
overflow-y: auto;
}
.no-transforms .reveal .slides {
position: relative;
width: 80%;
height: auto !important;
top: 0;
left: 50%;
margin: 0;
text-align: center;
}
.no-transforms .reveal .controls,
.no-transforms .reveal .progress {
display: none !important;
}
.no-transforms .reveal .slides section {
display: block !important;
opacity: 1 !important;
position: relative !important;
height: auto;
min-height: 0;
top: 0;
left: -50%;
margin: 70px 0;
transform: none;
}
.no-transforms .reveal .slides section section {
left: 0;
}
.reveal .no-transition,
.reveal .no-transition * {
transition: none !important;
}
/*********************************************
* PER-SLIDE BACKGROUNDS
*********************************************/
.reveal>.backgrounds {
position: absolute;
width: 100%;
height: 100%;
top: 0;
left: 0;
perspective: 600px;
}
.reveal .slide-background {
display: none;
position: absolute;
width: 100%;
height: 100%;
opacity: 0;
visibility: hidden;
background-color: rgba( 0, 0, 0, 0 );
background-position: 50% 50%;
background-repeat: no-repeat;
background-size: cover;
transition: all 800ms cubic-bezier(0.260, 0.860, 0.440, 0.985);
}
.reveal .slide-background.stack {
display: block;
}
.reveal .slide-background.present {
opacity: 1;
visibility: visible;
}
.print-pdf .reveal .slide-background {
opacity: 1 !important;
visibility: visible !important;
}
/* Video backgrounds */
.reveal .slide-background video {
position: absolute;
width: 100%;
height: 100%;
max-width: none;
max-height: none;
top: 0;
left: 0;
}
/* Immediate transition style */
.reveal[data-background-transition=none]>.backgrounds .slide-background,
.reveal>.backgrounds .slide-background[data-background-transition=none] {
transition: none;
}
/* Slide */
.reveal[data-background-transition=slide]>.backgrounds .slide-background,
.reveal>.backgrounds .slide-background[data-background-transition=slide] {
opacity: 1;
backface-visibility: hidden;
}
.reveal[data-background-transition=slide]>.backgrounds .slide-background.past,
.reveal>.backgrounds .slide-background.past[data-background-transition=slide] {
transform: translate(-100%, 0);
}
.reveal[data-background-transition=slide]>.backgrounds .slide-background.future,
.reveal>.backgrounds .slide-background.future[data-background-transition=slide] {
transform: translate(100%, 0);
}
.reveal[data-background-transition=slide]>.backgrounds .slide-background>.slide-background.past,
.reveal>.backgrounds .slide-background>.slide-background.past[data-background-transition=slide] {
transform: translate(0, -100%);
}
.reveal[data-background-transition=slide]>.backgrounds .slide-background>.slide-background.future,
.reveal>.backgrounds .slide-background>.slide-background.future[data-background-transition=slide] {
transform: translate(0, 100%);
}
/* Convex */
.reveal[data-background-transition=convex]>.backgrounds .slide-background.past,
.reveal>.backgrounds .slide-background.past[data-background-transition=convex] {
opacity: 0;
transform: translate3d(-100%, 0, 0) rotateY(-90deg) translate3d(-100%, 0, 0);
}
.reveal[data-background-transition=convex]>.backgrounds .slide-background.future,
.reveal>.backgrounds .slide-background.future[data-background-transition=convex] {
opacity: 0;
transform: translate3d(100%, 0, 0) rotateY(90deg) translate3d(100%, 0, 0);
}
.reveal[data-background-transition=convex]>.backgrounds .slide-background>.slide-background.past,
.reveal>.backgrounds .slide-background>.slide-background.past[data-background-transition=convex] {
opacity: 0;
transform: translate3d(0, -100%, 0) rotateX(90deg) translate3d(0, -100%, 0);
}
.reveal[data-background-transition=convex]>.backgrounds .slide-background>.slide-background.future,
.reveal>.backgrounds .slide-background>.slide-background.future[data-background-transition=convex] {
opacity: 0;
transform: translate3d(0, 100%, 0) rotateX(-90deg) translate3d(0, 100%, 0);
}
/* Concave */
.reveal[data-background-transition=concave]>.backgrounds .slide-background.past,
.reveal>.backgrounds .slide-background.past[data-background-transition=concave] {
opacity: 0;
transform: translate3d(-100%, 0, 0) rotateY(90deg) translate3d(-100%, 0, 0);
}
.reveal[data-background-transition=concave]>.backgrounds .slide-background.future,
.reveal>.backgrounds .slide-background.future[data-background-transition=concave] {
opacity: 0;
transform: translate3d(100%, 0, 0) rotateY(-90deg) translate3d(100%, 0, 0);
}
.reveal[data-background-transition=concave]>.backgrounds .slide-background>.slide-background.past,
.reveal>.backgrounds .slide-background>.slide-background.past[data-background-transition=concave] {
opacity: 0;
transform: translate3d(0, -100%, 0) rotateX(-90deg) translate3d(0, -100%, 0);
}
.reveal[data-background-transition=concave]>.backgrounds .slide-background>.slide-background.future,
.reveal>.backgrounds .slide-background>.slide-background.future[data-background-transition=concave] {
opacity: 0;
transform: translate3d(0, 100%, 0) rotateX(90deg) translate3d(0, 100%, 0);
}
/* Zoom */
.reveal[data-background-transition=zoom]>.backgrounds .slide-background,
.reveal>.backgrounds .slide-background[data-background-transition=zoom] {
transition-timing-function: ease;
}
.reveal[data-background-transition=zoom]>.backgrounds .slide-background.past,
.reveal>.backgrounds .slide-background.past[data-background-transition=zoom] {
opacity: 0;
visibility: hidden;
transform: scale(16);
}
.reveal[data-background-transition=zoom]>.backgrounds .slide-background.future,
.reveal>.backgrounds .slide-background.future[data-background-transition=zoom] {