add controlsHint option, animates vertical arrow first time we encounter a vertical slide
This commit is contained in:
Hakim El Hattab
parent
58dc6b7c36
commit
617c17be3c
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@ -188,6 +188,49 @@ body {
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/*********************************************
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* CONTROLS
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*********************************************/
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@-webkit-keyframes bounce-right {
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0%, 10%, 25%, 40%, 50% {
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-webkit-transform: translateX(0);
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transform: translateX(0); }
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20% {
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-webkit-transform: translateX(10px);
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transform: translateX(10px); }
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30% {
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-webkit-transform: translateX(-5px);
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transform: translateX(-5px); } }
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@keyframes bounce-right {
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0%, 10%, 25%, 40%, 50% {
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-webkit-transform: translateX(0);
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transform: translateX(0); }
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20% {
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-webkit-transform: translateX(10px);
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transform: translateX(10px); }
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30% {
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-webkit-transform: translateX(-5px);
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transform: translateX(-5px); } }
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@-webkit-keyframes bounce-down {
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0%, 10%, 25%, 40%, 50% {
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-webkit-transform: translateY(0);
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transform: translateY(0); }
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20% {
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-webkit-transform: translateY(10px);
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transform: translateY(10px); }
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30% {
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-webkit-transform: translateY(-5px);
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transform: translateY(-5px); } }
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@keyframes bounce-down {
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0%, 10%, 25%, 40%, 50% {
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-webkit-transform: translateY(0);
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transform: translateY(0); }
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20% {
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-webkit-transform: translateY(10px);
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transform: translateY(10px); }
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30% {
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-webkit-transform: translateY(-5px);
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transform: translateY(-5px); } }
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.reveal .controls {
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display: none;
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position: absolute;
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@ -201,8 +244,6 @@ body {
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.reveal .controls button {
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position: absolute;
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padding: 0;
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width: 46px;
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height: 46px;
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background-color: transparent;
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border: 0;
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outline: 0;
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@ -217,8 +258,8 @@ body {
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opacity: 0;
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-webkit-appearance: none;
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-webkit-tap-highlight-color: transparent; }
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.reveal .controls button:before,
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.reveal .controls button:after {
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.reveal .controls .pagination-arrow:before,
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.reveal .controls .pagination-arrow:after {
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content: '';
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position: absolute;
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top: 0;
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@ -231,44 +272,58 @@ body {
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-webkit-transform-origin: 3px 50%;
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transform-origin: 3px 50%;
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will-change: transform; }
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.reveal .controls button:before {
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.reveal .controls .pagination-arrow {
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position: relative;
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width: 46px;
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height: 46px; }
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.reveal .controls .pagination-arrow:before {
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-webkit-transform: translateX(7px) translateY(20px) rotate(44deg);
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transform: translateX(7px) translateY(20px) rotate(44deg); }
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.reveal .controls button:after {
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.reveal .controls .pagination-arrow:after {
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-webkit-transform: translateX(7px) translateY(20px) rotate(-44deg);
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transform: translateX(7px) translateY(20px) rotate(-44deg); }
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.reveal .controls button:hover:before {
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.reveal .controls .pagination-arrow:hover:before {
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-webkit-transform: translateX(7px) translateY(20px) rotate(40deg);
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transform: translateX(7px) translateY(20px) rotate(40deg); }
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.reveal .controls button:hover:after {
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.reveal .controls .pagination-arrow:hover:after {
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-webkit-transform: translateX(7px) translateY(20px) rotate(-40deg);
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transform: translateX(7px) translateY(20px) rotate(-40deg); }
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.reveal .controls button:active:before {
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.reveal .controls .pagination-arrow:active:before {
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-webkit-transform: translateX(7px) translateY(20px) rotate(36deg);
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transform: translateX(7px) translateY(20px) rotate(36deg); }
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.reveal .controls button:active:after {
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.reveal .controls .pagination-arrow:active:after {
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-webkit-transform: translateX(7px) translateY(20px) rotate(-36deg);
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transform: translateX(7px) translateY(20px) rotate(-36deg); }
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.reveal .controls .navigate-left {
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right: 82px;
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bottom: 18px;
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bottom: 18px; }
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.reveal .controls .navigate-left .pagination-arrow {
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-webkit-transform: translateY(-50%);
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transform: translateY(-50%); }
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.reveal .controls .navigate-right {
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right: 0;
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bottom: 18px;
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bottom: 18px; }
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.reveal .controls .navigate-right .pagination-arrow {
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-webkit-transform: translateY(-50%) rotate(180deg);
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transform: translateY(-50%) rotate(180deg); }
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.reveal .controls .navigate-right.bounce {
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-webkit-animation: bounce-right 2s 50 both ease-out;
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animation: bounce-right 2s 50 both ease-out; }
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.reveal .controls .navigate-up {
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right: 18px;
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bottom: 82px;
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bottom: 82px; }
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.reveal .controls .navigate-up .pagination-arrow {
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-webkit-transform: translateX(-50%) rotate(90deg);
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transform: translateX(-50%) rotate(90deg); }
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.reveal .controls .navigate-down {
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right: 18px;
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bottom: 0;
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bottom: 0; }
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.reveal .controls .navigate-down .pagination-arrow {
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-webkit-transform: translateX(-50%) rotate(-90deg);
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transform: translateX(-50%) rotate(-90deg); }
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.reveal .controls .navigate-down.bounce {
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-webkit-animation: bounce-down 2s 50 both ease-out;
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animation: bounce-down 2s 50 both ease-out; }
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.reveal .controls[data-controls-back-arrows="faded"] .navigate-left.enabled,
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.reveal .controls[data-controls-back-arrows="faded"] .navigate-up.enabled {
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opacity: 0.3; }
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@ -321,12 +376,12 @@ body {
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.reveal:not(.has-horizontal-slides) .controls .navigate-down {
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right: 0; }
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.reveal.has-dark-background .controls button:after,
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.reveal.has-dark-background .controls button:before {
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.reveal.has-dark-background .controls .pagination-arrow:after,
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.reveal.has-dark-background .controls .pagination-arrow:before {
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background-color: #fff; }
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.reveal.has-light-background .controls button:after,
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.reveal.has-light-background .controls button:before {
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.reveal.has-light-background .controls .pagination-arrow:after,
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.reveal.has-light-background .controls .pagination-arrow:before {
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background-color: #000; }
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/*********************************************
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@ -235,6 +235,18 @@ body {
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* CONTROLS
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*********************************************/
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@keyframes bounce-right {
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0%, 10%, 25%, 40%, 50% {transform: translateX(0);}
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20% {transform: translateX(10px);}
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30% {transform: translateX(-5px);}
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}
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@keyframes bounce-down {
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0%, 10%, 25%, 40%, 50% {transform: translateY(0);}
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20% {transform: translateY(10px);}
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30% {transform: translateY(-5px);}
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}
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.reveal .controls {
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$size: 46px;
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$length: floor($size * 0.7);
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@ -268,8 +280,6 @@ body {
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button {
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position: absolute;
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padding: 0;
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width: $size;
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height: $size;
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background-color: transparent;
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border: 0;
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outline: 0;
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@ -287,8 +297,8 @@ body {
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-webkit-tap-highlight-color: rgba( 0, 0, 0, 0 );
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}
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button:before,
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button:after {
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.pagination-arrow:before,
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.pagination-arrow:after {
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content: '';
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position: absolute;
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top: 0;
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@ -303,7 +313,11 @@ body {
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will-change: transform;
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}
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button {
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.pagination-arrow {
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position: relative;
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width: $size;
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height: $size;
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@include arrowTransform( $angle );
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&:hover {
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@ -318,27 +332,47 @@ body {
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.navigate-left {
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right: $size + $innerSpacing*2;
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bottom: $innerSpacing;
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.pagination-arrow {
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transform: translateY(-50%);
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}
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}
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.navigate-right {
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right: 0;
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bottom: $innerSpacing;
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.pagination-arrow {
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transform: translateY(-50%) rotate( 180deg );
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}
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&.bounce {
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animation: bounce-right 2s 50 both ease-out;
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}
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}
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.navigate-up {
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right: $innerSpacing;
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bottom: $size + $innerSpacing*2;
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.pagination-arrow {
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transform: translateX(-50%) rotate( 90deg );
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}
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}
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.navigate-down {
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right: $innerSpacing;
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bottom: 0;
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.pagination-arrow {
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transform: translateX(-50%) rotate( -90deg );
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}
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&.bounce {
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animation: bounce-down 2s 50 both ease-out;
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}
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}
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// Back arrow style: "faded":
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// Strongly deemphasizes backwards navigation in favor of drawing
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// attention to forwards navigation
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@ -432,13 +466,13 @@ body {
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right: 0;
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}
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.reveal.has-dark-background .controls button:after,
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.reveal.has-dark-background .controls button:before {
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.reveal.has-dark-background .controls .pagination-arrow:after,
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.reveal.has-dark-background .controls .pagination-arrow:before {
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background-color: #fff;
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}
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.reveal.has-light-background .controls button:after,
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.reveal.has-light-background .controls button:before {
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.reveal.has-light-background .controls .pagination-arrow:after,
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.reveal.has-light-background .controls .pagination-arrow:before {
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background-color: #000;
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}
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51
js/reveal.js
51
js/reveal.js
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@ -52,11 +52,15 @@
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// Display controls in the bottom right corner
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controls: true,
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// Hint at where the user can navigate, for example by animating
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// the down arrow when we first encounter a vertical slide
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controlsHints: true,
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// Determines where controls appear, "edges" or "bottom-right"
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controlsLayout: 'bottom-right',
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// Specifies the display rules for backwards navigation arrows;
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// "faded", "hidden" or "visible"
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// Visibility rule for backwards navigation arrows; "faded", "hidden"
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// or "visible"
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controlsBackArrows: 'faded',
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// Display a presentation progress bar
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@ -214,6 +218,10 @@
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previousBackground,
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// Remember which directions that the user has navigated towards
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hasNavigatedRight = false,
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hasNavigatedDown = false,
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// Slides may hold a data-state attribute which we pick up and apply
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// as a class to the body. This list contains the combined state of
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// all current slides.
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@ -524,10 +532,10 @@
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// Arrow controls
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dom.controls = createSingletonNode( dom.wrapper, 'aside', 'controls',
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'<button class="navigate-left" aria-label="previous slide"></button>' +
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'<button class="navigate-right" aria-label="next slide"></button>' +
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'<button class="navigate-up" aria-label="above slide"></button>' +
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'<button class="navigate-down" aria-label="below slide"></button>' );
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'<button class="navigate-left" aria-label="previous slide"><div class="pagination-arrow"></div></button>' +
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'<button class="navigate-right" aria-label="next slide"><div class="pagination-arrow"></div></button>' +
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'<button class="navigate-up" aria-label="above slide"><div class="pagination-arrow"></div></button>' +
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'<button class="navigate-down" aria-label="below slide"><div class="pagination-arrow"></div></button>' );
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// Slide number
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dom.slideNumber = createSingletonNode( dom.wrapper, 'div', 'slide-number', '' );
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@ -550,6 +558,10 @@
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dom.controlsPrev = toArray( document.querySelectorAll( '.navigate-prev' ) );
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dom.controlsNext = toArray( document.querySelectorAll( '.navigate-next' ) );
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// The right and down arrows in the standard reveal.js controls
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dom.controlsRightArrow = dom.controls.querySelector( '.navigate-right' );
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dom.controlsDownArrow = dom.controls.querySelector( '.navigate-down' );
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dom.statusDiv = createStatusDiv();
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}
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@ -2905,6 +2917,26 @@
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}
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if( config.controlsHints ) {
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// Highlight control arrows with an animation to ensure
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// that the viewer knows how to navigate
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if( !hasNavigatedDown && routes.down ) {
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dom.controlsDownArrow.classList.add( 'highlight' );
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}
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else {
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dom.controlsDownArrow.classList.remove( 'highlight' );
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if( !hasNavigatedRight && routes.right && indexh === 0 ) {
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dom.controlsRightArrow.classList.add( 'highlight' );
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}
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else {
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dom.controlsRightArrow.classList.remove( 'highlight' );
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}
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}
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}
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}
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/**
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@ -4157,6 +4189,8 @@
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function navigateRight() {
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hasNavigatedRight = true;
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// Reverse for RTL
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if( config.rtl ) {
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if( ( isOverview() || previousFragment() === false ) && availableRoutes().right ) {
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@ -4181,6 +4215,8 @@
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function navigateDown() {
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hasNavigatedDown = true;
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// Prioritize revealing fragments
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if( ( isOverview() || nextFragment() === false ) && availableRoutes().down ) {
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slide( indexh, indexv + 1 );
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@ -4227,6 +4263,9 @@
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*/
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function navigateNext() {
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hasNavigatedRight = true;
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hasNavigatedDown = true;
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// Prioritize revealing fragments
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if( nextFragment() === false ) {
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if( availableRoutes().down ) {
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