/*

Visual Studio-like style based on original C# coloring by Jason Diamond <jason@diamond.name>

*/
.hljs {
  display: block;
  overflow-x: auto;
  padding: 0.5em;
  background: white;
  color: black;
}

.hljs-comment,
.hljs-quote,
.hljs-variable {
  color: #008000;
}

.hljs-keyword,
.hljs-selector-tag,
.hljs-built_in,
.hljs-name,
.hljs-tag {
  color: #00f;
}

.hljs-string,
.hljs-title,
.hljs-section,
.hljs-attribute,
.hljs-literal,
.hljs-template-tag,
.hljs-template-variable,
.hljs-type,
.hljs-addition {
  color: #a31515;
}

.hljs-deletion,
.hljs-selector-attr,
.hljs-selector-pseudo,
.hljs-meta {
  color: #2b91af;
}

.hljs-doctag {
  color: #808080;
}

.hljs-attr {
  color: #f00;
}

.hljs-symbol,
.hljs-bullet,
.hljs-link {
  color: #00b0e8;
}


.hljs-emphasis {
  font-style: italic;
}

.hljs-strong {
  font-weight: bold;
}

html,
body {
  height: 100%;
  overflow: hidden;
}
body {
  background: #dcd6f3;
}
#page-header {
  padding: 0.25em;
  font-size: 3vmin;
  -webkit-transition: height 200ms ease-out, -webkit-transform 200ms ease-out;
  transition: height 200ms ease-out, -webkit-transform 200ms ease-out;
  transition: height 200ms ease-out, transform 200ms ease-out;
  transition: height 200ms ease-out, transform 200ms ease-out, -webkit-transform 200ms ease-out;
  position: absolute;
  top: -3vmin;
  left: 0;
  right: 0;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}
#page-header:hover,
#page-header.showing {
  -webkit-transform: translate3d(0, 0, 0);
          transform: translate3d(0, 0, 0);
}
#page-header:hover + #presentation-container,
#page-header.showing + #presentation-container {
  -webkit-transform: translate3d(0, 9vmin, 0);
          transform: translate3d(0, 9vmin, 0);
  -webkit-box-shadow: -16px 0 24px rgba(0,0,0,0.4);
          box-shadow: -16px 0 24px rgba(0,0,0,0.4);
}
#page-header:hover #page-title,
#page-header.showing #page-title {
  opacity: 1;
  -webkit-transform: translate3d(0, 0, 0);
          transform: translate3d(0, 0, 0);
}
#page-header:hover #page-author,
#page-header.showing #page-author {
  -webkit-transform: translate3d(0, 0.25em, 0);
          transform: translate3d(0, 0.25em, 0);
}
#page-header:hover .page-author-picture,
#page-header.showing .page-author-picture {
  -webkit-transform: translate3d(0, 0, 0) rotateZ(0deg);
          transform: translate3d(0, 0, 0) rotateZ(0deg);
  opacity: 1;
}
@media screen and (orientation: portrait) {
  #page-header {
    font-size: 1.25vh;
  }
  #page-header:hover + #presentation-container {
    -webkit-transform: translate3d(0, 4vh, 0);
            transform: translate3d(0, 4vh, 0);
  }
}
#page-title {
  margin: 0.25em;
  font-weight: bold;
  text-shadow: 0.015em 0.015em #000;
  opacity: 0.25;
  -webkit-transition: all 200ms ease;
  transition: all 200ms ease;
  height: 1em;
  -webkit-transform: translate3d(0, -0.25em, 0);
          transform: translate3d(0, -0.25em, 0);
}
#page-title a:link {
  color: #3507a3 !important;
}
#page-author {
  -webkit-transform: translate3d(0, -0.25em, 0);
          transform: translate3d(0, -0.25em, 0);
}
#page-author-name {
  display: none;
}
.page-author-picture {
  width: calc(3vmin * 2.5);
  height: calc(3vmin * 2.5);
  border-radius: 50%;
  opacity: 0;
  -webkit-transform: translate3d(-200%, 0, 0) rotateZ(-270deg);
          transform: translate3d(-200%, 0, 0) rotateZ(-270deg);
  -webkit-transition: opacity 700ms ease-out 0s, -webkit-transform 700ms cubic-bezier(0.18, 0.89, 0.32, 1.28) 0s;
  transition: opacity 700ms ease-out 0s, -webkit-transform 700ms cubic-bezier(0.18, 0.89, 0.32, 1.28) 0s;
  transition: transform 700ms cubic-bezier(0.18, 0.89, 0.32, 1.28) 0s, opacity 700ms ease-out 0s;
  transition: transform 700ms cubic-bezier(0.18, 0.89, 0.32, 1.28) 0s, opacity 700ms ease-out 0s, -webkit-transform 700ms cubic-bezier(0.18, 0.89, 0.32, 1.28) 0s;
}
#presentation-container {
  height: calc(100vh - 3vmin);
  width: 100%;
  -webkit-transform: translate3d(0, 3vmin, 0);
          transform: translate3d(0, 3vmin, 0);
  -webkit-transition: -webkit-transform 300ms ease, -webkit-box-shadow 300ms ease;
  transition: -webkit-transform 300ms ease, -webkit-box-shadow 300ms ease;
  transition: transform 300ms ease, box-shadow 300ms ease;
  transition: transform 300ms ease, box-shadow 300ms ease, -webkit-transform 300ms ease, -webkit-box-shadow 300ms ease;
  -webkit-box-shadow: -4px 0 8px rgba(0,0,0,0.667);
          box-shadow: -4px 0 8px rgba(0,0,0,0.667);
}
.zelda-transition .bespoke-slide {
  -webkit-transition-duration: 250ms;
          transition-duration: 250ms;
}
.emphatic strong {
  color: #ff4d4d;
}
@media print {
  #page-header {
    display: none !important;
  }
  .book-cover {
    height: 150px !important;
  }
}
.hljs {
  padding: 1em;
}
.picture-steps,
.picture-steps > p {
  position: relative;
}
.picture-steps > *:not(:first-child),
.picture-steps > p > *:not(:first-child) {
  position: absolute;
  top: 0;
  left: 0;
}
.picture-steps > *:not(.bespoke-bullet-active),
.picture-steps > p > *:not(.bespoke-bullet-active) {
  -webkit-transform: initial;
          transform: initial;
}
.picture-steps.clean > *:not(:last-child):not(.bespoke-bullet-current),
.picture-steps > p.clean > *:not(:last-child):not(.bespoke-bullet-current),
.picture-steps.clean > p > *:not(:last-child):not(.bespoke-bullet-current),
.picture-steps > p.clean > p > *:not(:last-child):not(.bespoke-bullet-current) {
  opacity: 0;
}
.inset-shadow {
  position: relative;
}
.inset-shadow:before,
.inset-shadow:after {
  content: attr(title);
  position: absolute;
  color: rgba(255,255,255,0.1);
}
.inset-shadow:before {
  top: 1px;
  left: 1px;
}
.inset-shadow:after {
  top: 2px;
  left: 2px;
}
.layered-paragraph {
  background-color: rgba(215,215,250,0.5);
}
.pure-red {
  color: #f00;
}
.pure-green {
  color: #0f0;
}
.pure-blue {
  color: #00f;
}
.color-portrait {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 1px solid #000;
}
.color-portrait.ffd5d5 {
  background-color: #ffd5d5;
}
.color-portrait.black {
  background-color: #000;
}
.color-portrait.red {
  background-color: #f00;
}
.color-portrait.green {
  background-color: #0f0;
}
.color-portrait.blue {
  background-color: #00f;
}
.color-portrait.yellow {
  background-color: #ff0;
}
.color-portrait.magenta {
  background-color: #f0f;
}
.color-portrait.ciano {
  background-color: #0ff;
}
.color-portrait.gray {
  background-color: #777;
}
.color-portrait.white {
  background-color: #fff;
}
.portrait,
.portrait img {
  display: inline-block;
  width: 100px;
  height: 100px;
  border-radius: 50%;
}
.portrait figcaption,
.portrait img figcaption {
  background-color: transparent;
}
.portrait.double-size,
.portrait img.double-size {
  width: 200px;
  height: 200px;
}
.portrait.right {
  float: right;
}
.appear-right {
  position: absolute;
  left: inherit;
  bottom: 100%;
  -webkit-transition: bottom 200ms ease-out;
  transition: bottom 200ms ease-out;
}
.appear-right.bespoke-bullet-active {
  bottom: 0;
  left: inherit;
  right: 0;
}
.multi-column-inline-list-2 {
  padding-left: 0;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: horizontal;
  -webkit-box-direction: normal;
      -ms-flex-direction: row;
          flex-direction: row;
  -webkit-box-align: stretch;
      -ms-flex-align: stretch;
          align-items: stretch;
}
.multi-column-inline-list-2 > li {
  width: 48.5%;
  margin-right: 3%;
}
.multi-column-inline-list-2 > li figure {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  height: 100%;
}
.multi-column-inline-list-2 > :nth-child(2n) {
  margin-right: 0;
}
.multi-column-inline-list-3 {
  padding-left: 0;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: horizontal;
  -webkit-box-direction: normal;
      -ms-flex-direction: row;
          flex-direction: row;
  -webkit-box-align: stretch;
      -ms-flex-align: stretch;
          align-items: stretch;
}
.multi-column-inline-list-3 > li {
  width: 31.333333333333336%;
  margin-right: 3%;
}
.multi-column-inline-list-3 > li figure {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  height: 100%;
}
.multi-column-inline-list-3 > :nth-child(3n) {
  margin-right: 0;
}
.multi-column-inline-list-4 {
  padding-left: 0;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: horizontal;
  -webkit-box-direction: normal;
      -ms-flex-direction: row;
          flex-direction: row;
  -webkit-box-align: stretch;
      -ms-flex-align: stretch;
          align-items: stretch;
}
.multi-column-inline-list-4 > li {
  width: 22.75%;
  margin-right: 3%;
}
.multi-column-inline-list-4 > li figure {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  height: 100%;
}
.multi-column-inline-list-4 > :nth-child(4n) {
  margin-right: 0;
}
.multi-column-inline-list-5 {
  padding-left: 0;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: horizontal;
  -webkit-box-direction: normal;
      -ms-flex-direction: row;
          flex-direction: row;
  -webkit-box-align: stretch;
      -ms-flex-align: stretch;
          align-items: stretch;
}
.multi-column-inline-list-5 > li {
  width: 17.6%;
  margin-right: 3%;
}
.multi-column-inline-list-5 > li figure {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  height: 100%;
}
.multi-column-inline-list-5 > :nth-child(5n) {
  margin-right: 0;
}
img[alt$="max"] {
  max-width: 100%;
  max-height: 100%;
}
.subtly-round {
  border-radius: 8px;
}
.zoomable {
  overflow: hidden;
  cursor: -webkit-zoom-in;
  cursor: zoom-in;
  -webkit-user-select: no;
     -moz-user-select: no;
      -ms-user-select: no;
          user-select: no;
}
.zoomable * {
  -webkit-user-select: inherit;
     -moz-user-select: inherit;
      -ms-user-select: inherit;
          user-select: inherit;
  -webkit-transition: -webkit-transform 300ms ease-out;
  transition: -webkit-transform 300ms ease-out;
  transition: transform 300ms ease-out;
  transition: transform 300ms ease-out, -webkit-transform 300ms ease-out;
}
.zoomable *.zoomed-in {
  -webkit-transform: scale(12);
          transform: scale(12);
}
.gallery,
.gallery > p {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: horizontal;
  -webkit-box-direction: normal;
      -ms-flex-direction: row;
          flex-direction: row;
}
.gallery img,
.gallery > p img {
  max-height: 100%;
  -o-object-fit: contain;
     object-fit: contain;
  -o-object-position: center;
     object-position: center;
}
.flex-equal > * {
  -webkit-box-flex: 1;
      -ms-flex: 1;
          flex: 1;
}
.fold-2 {
  -webkit-perspective: 400;
          perspective: 400;
}
.fold-2 > *:nth-child(1) {
  -webkit-transform: rotateY(4deg) scale(0.95);
          transform: rotateY(4deg) scale(0.95);
  -webkit-transform-origin: right top;
          transform-origin: right top;
}
.fold-2 > *:nth-child(2) {
  -webkit-transform: rotateY(-4deg) scale(0.95);
          transform: rotateY(-4deg) scale(0.95);
  -webkit-transform-origin: left top;
          transform-origin: left top;
}
.surprise {
  display: inline-block;
  -webkit-transition: all 200ms ease-in;
  transition: all 200ms ease-in;
  -webkit-transform: scale(1);
          transform: scale(1);
}
.surprise:not(.revealed) {
  cursor: pointer;
  animation: pulsating 1s ease-in-out 0s infinite alternate-reverse;
}
.surprise.transitioning {
  -webkit-animation: none;
          animation: none;
  -webkit-transform: scale(1) rotateZ(1turn);
          transform: scale(1) rotateZ(1turn);
}
.surprise.revealed {
  -webkit-transform: scale(1) rotateZ(0turn);
          transform: scale(1) rotateZ(0turn);
}
.dl-8 > dt {
  width: 8em;
}
.dl-8 > dd {
  margin-left: 8em;
}
.dl-6 > dt {
  width: 6em;
}
.dl-6 > dd {
  margin-left: 6em;
}
.dl-3 > dt {
  width: 3em;
}
.dl-3 > dd {
  margin-left: 3em;
}
.corner-bottom-right {
  position: absolute;
  right: 0;
  bottom: 0;
}
.floating-right-code pre {
  float: right;
  width: auto;
  margin-left: 1em;
}
.floating-left-code pre {
  float: left;
  width: auto;
  margin-right: 1em;
}
.smaller-code code {
  font-size: 70%;
}
.item-grid {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: horizontal;
  -webkit-box-direction: normal;
      -ms-flex-direction: row;
          flex-direction: row;
}
.item-grid-col {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
  -webkit-box-align: start;
      -ms-flex-align: start;
          align-items: flex-start;
  -ms-flex-pack: distribute;
      justify-content: space-around;
}
.item-grid-col figure {
  margin-top: 5px;
}
.item-160w,
.item-160w > img {
  width: 160px;
}
.item-180w,
.item-180w > img {
  width: 180px;
}
.item-200w,
.item-200w > img {
  width: 200px;
}
.item-230w,
.item-230w > img {
  width: 230px;
}
.item-250w,
.item-250w > img {
  width: 250px;
}
.item-260w,
.item-260w > img {
  width: 260px;
}
.item-270w,
.item-270w > img {
  width: 270px;
}
.item-300w,
.item-300w > img {
  width: 300px;
}
.item-200h > img {
  height: 200px;
}
.polaroid {
  margin: 0;
  border: 18px solid #fff;
  outline: 1px solid #eee;
  -webkit-box-shadow: 3px 3px 2px #808080;
          box-shadow: 3px 3px 2px #808080;
  background-color: #121212;
  color: #fff;
  font-size: small;
  line-height: 1.5em;
  text-align: center;
}
.polaroid.light {
  background-color: #ccc;
}
.polaroid.thinner {
  border-width: 10px;
}
.polaroid figcaption {
  margin: 0;
  padding-top: 5px;
  background-color: #fff;
  color: #000;
}
ul.bt-tasks > li {
  line-height: 1em;
  padding: 0.15em 0.3em;
  border-radius: 0.2em;
  border: 1px solid #c0c0c0;
  background-color: rgba(255,255,255,0.3);
  font-family: consolas, monospace;
  font-size: 75%;
}
ul.gob-goals > li,
.gob-goal {
  line-height: 1em;
  border-radius: 0.2em;
  border: 1px solid #c0c0c0;
  background-color: rgba(255,255,255,0.3);
}
ul.gob-goals > li > span,
.gob-goal > span {
  padding: 0.15em 0.3em;
  font-family: consolas, monospace;
  font-size: 75%;
}
ul.gob-goals > li > span:last-child,
.gob-goal > span:last-child {
  border-left: 1px solid #c0c0c0;
}
ul.gob-goals > li.blue,
.gob-goal.blue {
  background-color: #6495ed;
}
ul.gob-goals > li.green,
.gob-goal.green {
  background-color: #06d006;
}
ul.gob-goals > li.yellow,
.gob-goal.yellow {
  background-color: #ffd700;
}
ul.gob-goals > li.pink,
.gob-goal.pink {
  background-color: #ffc0cb;
}
.gob-goal {
  display: inline-block;
}
.horizontal-list {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: horizontal;
  -webkit-box-direction: normal;
      -ms-flex-direction: row;
          flex-direction: row;
  -ms-flex-pack: distribute;
      justify-content: space-around;
  -webkit-box-align: start;
      -ms-flex-align: start;
          align-items: flex-start;
}
.horizontal-list > li {
  display: initial;
  width: auto;
  margin: initial;
}
ul.horizontal > li {
  display: inline-block;
  list-style-type: none;
  margin-right: 0.8em;
}
#megaman {
  float: right;
  width: 60px;
  height: 60px;
  margin: 0;
}
.sprite {
  position: relative;
  overflow: hidden;
}
.sprite img {
  position: absolute;
  animation: sprite-sequence 250ms steps(3) infinite alternate-reverse;
}
.sprite img:hover {
  -webkit-animation-duration: 100ms;
          animation-duration: 100ms;
}
.sprite + [alt$=right] {
  margin-top: 47px;
}
.floating {
  display: block;
  -webkit-animation: floating 3s ease-in-out 0ms infinite alternate, floating-shadow 3s ease-in-out 0ms infinite alternate;
          animation: floating 3s ease-in-out 0ms infinite alternate, floating-shadow 3s ease-in-out 0ms infinite alternate;
}
.floating:nth-of-type(2n),
.floating:nth-child(2n) {
  -webkit-animation-delay: 1s;
          animation-delay: 1s;
}
.floating:nth-of-type(3n),
.floating:nth-child(3n) {
  -webkit-animation-delay: 0.5s;
          animation-delay: 0.5s;
}
.no-margin,
.no-margin.math > .katex-display {
  margin: 0;
}
@-webkit-keyframes pulsating {
  from {
    -webkit-transform: scale(1) rotateZ(1turn);
            transform: scale(1) rotateZ(1turn);
  }
  to {
    -webkit-transform: scale(1.1) rotateZ(1turn);
            transform: scale(1.1) rotateZ(1turn);
  }
}
@keyframes pulsating {
  from {
    -webkit-transform: scale(1) rotateZ(1turn);
            transform: scale(1) rotateZ(1turn);
  }
  to {
    -webkit-transform: scale(1.1) rotateZ(1turn);
            transform: scale(1.1) rotateZ(1turn);
  }
}
@-webkit-keyframes sprite-sequence {
  from {
    left: 0px;
  }
  to {
    left: -180px;
  }
}
@keyframes sprite-sequence {
  from {
    left: 0px;
  }
  to {
    left: -180px;
  }
}
@-webkit-keyframes floating {
  from {
    -webkit-transform: translate3d(0, 0, 0);
            transform: translate3d(0, 0, 0);
  }
  to {
    -webkit-transform: translate3d(0, -1em, 0);
            transform: translate3d(0, -1em, 0);
  }
}
@keyframes floating {
  from {
    -webkit-transform: translate3d(0, 0, 0);
            transform: translate3d(0, 0, 0);
  }
  to {
    -webkit-transform: translate3d(0, -1em, 0);
            transform: translate3d(0, -1em, 0);
  }
}
@-webkit-keyframes floating-shadow {
  from {
    -webkit-box-shadow: 0 0 0 rgba(0,0,0,0.3);
            box-shadow: 0 0 0 rgba(0,0,0,0.3);
  }
  to {
    -webkit-box-shadow: 0 1em 1em rgba(0,0,0,0.3);
            box-shadow: 0 1em 1em rgba(0,0,0,0.3);
  }
}
@keyframes floating-shadow {
  from {
    -webkit-box-shadow: 0 0 0 rgba(0,0,0,0.3);
            box-shadow: 0 0 0 rgba(0,0,0,0.3);
  }
  to {
    -webkit-box-shadow: 0 1em 1em rgba(0,0,0,0.3);
            box-shadow: 0 1em 1em rgba(0,0,0,0.3);
  }
}
.book-btn {
  display: inline-block;
  text-transform: uppercase;
  text-decoration: none;
  border: 2px solid #000;
  margin-top: 100px;
  font-size: 0.7em;
  font-weight: 700;
  padding: 0.1em 0.4em;
  margin-left: 40px;
  text-align: center;
  -webkit-transition: color 0.3s, border-color 0.3s;
  transition: color 0.3s, border-color 0.3s;
}
.book-btn:hover {
  border-color: #db4800;
  color: #db4800;
}
.book {
  position: relative;
  width: 160px;
  height: 220px;
  -webkit-perspective: 1000px;
          perspective: 1000px;
  -webkit-transform-style: preserve-3d;
          transform-style: preserve-3d;
  margin: 0 auto;
}
.book ul {
  list-style: none;
}
.hardcover_front li:first-child {
  background-color: #eee;
  -webkit-backface-visibility: hidden;
          backface-visibility: hidden;
}
.hardcover_front li:last-child {
  background: #fffbec;
}
.hardcover_back li:first-child {
  background: #fffbec;
}
.hardcover_back li:last-child {
  background: #fffbec;
}
.book_spine li:first-child {
  background: #eee;
}
.book_spine li:last-child {
  background: #333;
}
.hardcover_front li:first-child:after,
.hardcover_front li:first-child:before,
.hardcover_front li:last-child:after,
.hardcover_front li:last-child:before,
.hardcover_back li:first-child:after,
.hardcover_back li:first-child:before,
.hardcover_back li:last-child:after,
.hardcover_back li:last-child:before,
.book_spine li:first-child:after,
.book_spine li:first-child:before,
.book_spine li:last-child:after,
.book_spine li:last-child:before {
  background: #999;
}
.page>li {
  background: -webkit-gradient(linear, left top, right top, color-stop(0, #e1ddd8), to(#fffbf6));
  background: linear-gradient(to right, #e1ddd8 0, #fffbf6 100%);
  -webkit-box-shadow: inset 0 -1px 2px rgba(50,50,50,0.1), inset -1px 0 1px rgba(150,150,150,0.2);
          box-shadow: inset 0 -1px 2px rgba(50,50,50,0.1), inset -1px 0 1px rgba(150,150,150,0.2);
  border-radius: 0 5px 5px 0;
}
.hardcover_front {
  -webkit-transform: rotateY(-34deg) translateZ(8px);
          transform: rotateY(-34deg) translateZ(8px);
  z-index: 100;
}
.hardcover_back {
  -webkit-transform: rotateY(-15deg) translateZ(-8px);
          transform: rotateY(-15deg) translateZ(-8px);
}
.page li:nth-child(1) {
  -webkit-transform: rotateY(-28deg);
          transform: rotateY(-28deg);
}
.page li:nth-child(2) {
  -webkit-transform: rotateY(-30deg);
          transform: rotateY(-30deg);
}
.page li:nth-child(3) {
  -webkit-transform: rotateY(-32deg);
          transform: rotateY(-32deg);
}
.page li:nth-child(4) {
  -webkit-transform: rotateY(-34deg);
          transform: rotateY(-34deg);
}
.page li:nth-child(5) {
  -webkit-transform: rotateY(-36deg);
          transform: rotateY(-36deg);
}
.hardcover_front,
.hardcover_back,
.book_spine,
.hardcover_front li,
.hardcover_back li,
.book_spine li {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  -webkit-transform-style: preserve-3d;
          transform-style: preserve-3d;
}
.hardcover_front,
.hardcover_back {
  -webkit-transform-origin: 0 100%;
          transform-origin: 0 100%;
}
.hardcover_front {
  -webkit-transition: all 0.8s ease, z-index 0.6s;
  transition: all 0.8s ease, z-index 0.6s;
}
.hardcover_front li:first-child {
  cursor: default;
  -webkit-user-select: none;
     -moz-user-select: none;
      -ms-user-select: none;
          user-select: none;
  -webkit-transform: translateZ(2px);
          transform: translateZ(2px);
}
.hardcover_front li:last-child {
  -webkit-transform: rotateY(180deg) translateZ(2px);
          transform: rotateY(180deg) translateZ(2px);
}
.hardcover_back li:first-child {
  -webkit-transform: translateZ(2px);
          transform: translateZ(2px);
}
.hardcover_back li:last-child {
  -webkit-transform: translateZ(-2px);
          transform: translateZ(-2px);
}
.hardcover_front li:first-child:after,
.hardcover_front li:first-child:before,
.hardcover_front li:last-child:after,
.hardcover_front li:last-child:before,
.hardcover_back li:first-child:after,
.hardcover_back li:first-child:before,
.hardcover_back li:last-child:after,
.hardcover_back li:last-child:before,
.book_spine li:first-child:after,
.book_spine li:first-child:before,
.book_spine li:last-child:after,
.book_spine li:last-child:before {
  position: absolute;
  top: 0;
  left: 0;
}
.hardcover_front li:first-child:after,
.hardcover_front li:first-child:before {
  width: 4px;
  height: 100%;
}
.hardcover_front li:first-child:after {
  -webkit-transform: rotateY(90deg) translateZ(-2px) translateX(2px);
          transform: rotateY(90deg) translateZ(-2px) translateX(2px);
}
.hardcover_front li:first-child:before {
  -webkit-transform: rotateY(90deg) translateZ(158px) translateX(2px);
          transform: rotateY(90deg) translateZ(158px) translateX(2px);
}
.hardcover_front li:last-child:after,
.hardcover_front li:last-child:before {
  width: 4px;
  height: 160px;
}
.hardcover_front li:last-child:after {
  -webkit-transform: rotateX(90deg) rotateZ(90deg) translateZ(80px) translateX(-2px) translateY(-78px);
          transform: rotateX(90deg) rotateZ(90deg) translateZ(80px) translateX(-2px) translateY(-78px);
}
.hardcover_front li:last-child:before {
  -webkit-box-shadow: 0 0 30px 5px #333;
          box-shadow: 0 0 30px 5px #333;
  -webkit-transform: rotateX(90deg) rotateZ(90deg) translateZ(-140px) translateX(-2px) translateY(-78px);
          transform: rotateX(90deg) rotateZ(90deg) translateZ(-140px) translateX(-2px) translateY(-78px);
}
.hardcover_back li:first-child:after,
.hardcover_back li:first-child:before {
  width: 4px;
  height: 100%;
}
.hardcover_back li:first-child:after {
  -webkit-transform: rotateY(90deg) translateZ(-2px) translateX(2px);
          transform: rotateY(90deg) translateZ(-2px) translateX(2px);
}
.hardcover_back li:first-child:before {
  -webkit-transform: rotateY(90deg) translateZ(158px) translateX(2px);
          transform: rotateY(90deg) translateZ(158px) translateX(2px);
}
.hardcover_back li:last-child:after,
.hardcover_back li:last-child:before {
  width: 4px;
  height: 160px;
}
.hardcover_back li:last-child:after {
  -webkit-transform: rotateX(90deg) rotateZ(90deg) translateZ(80px) translateX(2px) translateY(-78px);
          transform: rotateX(90deg) rotateZ(90deg) translateZ(80px) translateX(2px) translateY(-78px);
}
.hardcover_back li:last-child:before {
  -webkit-box-shadow: 10px -1px 80px 20px #666;
          box-shadow: 10px -1px 80px 20px #666;
  -webkit-transform: rotateX(90deg) rotateZ(90deg) translateZ(-140px) translateX(2px) translateY(-78px);
          transform: rotateX(90deg) rotateZ(90deg) translateZ(-140px) translateX(2px) translateY(-78px);
}
.book_spine {
  -webkit-transform: rotateY(60deg) translateX(-5px) translateZ(-12px);
          transform: rotateY(60deg) translateX(-5px) translateZ(-12px);
  width: 16px;
  z-index: 0;
}
.book_spine li:first-child {
  -webkit-transform: translateZ(2px);
          transform: translateZ(2px);
}
.book_spine li:last-child {
  -webkit-transform: translateZ(-2px);
          transform: translateZ(-2px);
}
.book_spine li:first-child:after,
.book_spine li:first-child:before {
  width: 4px;
  height: 100%;
}
.book_spine li:first-child:after {
  -webkit-transform: rotateY(90deg) translateZ(-2px) translateX(2px);
          transform: rotateY(90deg) translateZ(-2px) translateX(2px);
}
.book_spine li:first-child:before {
  -webkit-transform: rotateY(-90deg) translateZ(-12px);
          transform: rotateY(-90deg) translateZ(-12px);
}
.book_spine li:last-child:after,
.book_spine li:last-child:before {
  width: 4px;
  height: 16px;
}
.book_spine li:last-child:after {
  -webkit-transform: rotateX(90deg) rotateZ(90deg) translateZ(8px) translateX(2px) translateY(-6px);
          transform: rotateX(90deg) rotateZ(90deg) translateZ(8px) translateX(2px) translateY(-6px);
}
.book_spine li:last-child:before {
  -webkit-box-shadow: 5px -1px 100px 40px rgba(0,0,0,0.2);
          box-shadow: 5px -1px 100px 40px rgba(0,0,0,0.2);
  -webkit-transform: rotateX(90deg) rotateZ(90deg) translateZ(-210px) translateX(2px) translateY(-6px);
          transform: rotateX(90deg) rotateZ(90deg) translateZ(-210px) translateX(2px) translateY(-6px);
}
.page,
.page>li {
  position: absolute;
  top: 0;
  left: 0;
  -webkit-transform-style: preserve-3d;
          transform-style: preserve-3d;
}
.page {
  width: 100%;
  height: 98%;
  top: 1%;
  left: 3%;
  z-index: 10;
}
.page>li {
  width: 100%;
  height: 100%;
  -webkit-transform-origin: left center;
          transform-origin: left center;
  -webkit-transition-property: -webkit-transform;
  transition-property: -webkit-transform;
  transition-property: transform;
  transition-property: transform, -webkit-transform;
  -webkit-transition-timing-function: ease;
          transition-timing-function: ease;
}
.page>li:nth-child(1) {
  -webkit-transition-duration: 0.6s;
          transition-duration: 0.6s;
}
.page>li:nth-child(2) {
  -webkit-transition-duration: 0.6s;
          transition-duration: 0.6s;
}
.page>li:nth-child(3) {
  -webkit-transition-duration: 0.4s;
          transition-duration: 0.4s;
}
.page>li:nth-child(4) {
  -webkit-transition-duration: 0.5s;
          transition-duration: 0.5s;
}
.page>li:nth-child(5) {
  -webkit-transition-duration: 0.6s;
          transition-duration: 0.6s;
}
.book:hover>.hardcover_front {
  -webkit-transform: rotateY(-145deg) translateZ(0);
          transform: rotateY(-145deg) translateZ(0);
  z-index: 0;
}
.book:hover>.page li:nth-child(1) {
  -webkit-transform: rotateY(-30deg);
          transform: rotateY(-30deg);
  -webkit-transition-duration: 1.5s;
          transition-duration: 1.5s;
}
.book:hover>.page li:nth-child(2) {
  -webkit-transform: rotateY(-35deg);
          transform: rotateY(-35deg);
  -webkit-transition-duration: 1.8s;
          transition-duration: 1.8s;
}
.book:hover>.page li:nth-child(3) {
  -webkit-transform: rotateY(-118deg);
          transform: rotateY(-118deg);
  -webkit-transition-duration: 1.6s;
          transition-duration: 1.6s;
}
.book:hover>.page li:nth-child(4) {
  -webkit-transform: rotateY(-130deg);
          transform: rotateY(-130deg);
  -webkit-transition-duration: 1.4s;
          transition-duration: 1.4s;
}
.book:hover>.page li:nth-child(5) {
  -webkit-transform: rotateY(-140deg);
          transform: rotateY(-140deg);
  -webkit-transition-duration: 1.2s;
          transition-duration: 1.2s;
}
.coverDesign {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  overflow: hidden;
  -webkit-backface-visibility: hidden;
          backface-visibility: hidden;
}
.coverDesign::after {
  background-image: linear-gradient(-135deg, rgba(255,255,255,0.45) 0, transparent 100%);
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
}
.coverDesign h1 {
  color: #fff;
  font-size: 2.2em;
  letter-spacing: 0.05em;
  text-align: center;
  margin: 54% 0 0 0;
  text-shadow: -1px -1px 0 rgba(0,0,0,0.1);
}
.coverDesign p {
  color: #f8f8f8;
  font-size: 1em;
  text-align: center;
  text-shadow: -1px -1px 0 rgba(0,0,0,0.1);
}
.yellow {
  background-color: #f1c40f;
  background-image: -webkit-gradient(linear, left top, left bottom, color-stop(58%, #f1c40f), color-stop(0, #e7ba07));
  background-image: linear-gradient(to bottom, #f1c40f 58%, #e7ba07 0);
}
.blue {
  background-color: #3498db;
  background-image: -webkit-gradient(linear, left top, left bottom, color-stop(58%, #3498db), color-stop(0, #2a90d4));
  background-image: linear-gradient(to bottom, #3498db 58%, #2a90d4 0);
}
.grey {
  background-color: #f8e9d1;
  background-image: -webkit-gradient(linear, left top, left bottom, color-stop(58%, #f8e9d1), color-stop(0, #e7d5b7));
  background-image: linear-gradient(to bottom, #f8e9d1 58%, #e7d5b7 0);
}
.ribbon {
  background: #c0392b;
  color: #fff;
  display: block;
  font-size: 0.7em;
  position: absolute;
  top: 11px;
  right: 1px;
  width: 40px;
  height: 20px;
  line-height: 20px;
  letter-spacing: 0.15em;
  text-align: center;
  -webkit-transform: rotateZ(45deg) translateZ(1px);
          transform: rotateZ(45deg) translateZ(1px);
  -webkit-backface-visibility: hidden;
          backface-visibility: hidden;
  z-index: 10;
}
.ribbon::before,
.ribbon::after {
  position: absolute;
  top: -20px;
  width: 0;
  height: 0;
  border-bottom: 20px solid #c0392b;
  border-top: 20px solid transparent;
}
.ribbon::before {
  left: -20px;
  border-left: 20px solid transparent;
}
.ribbon::after {
  right: -20px;
  border-right: 20px solid transparent;
}
.book figcaption {
  padding-left: 40px;
  padding-top: 40px;
  text-align: left;
  position: absolute;
  top: 0;
  left: 160px;
  width: 500px;
}
.book figcaption h1 {
  margin: 0;
}
.book figcaption span {
  color: #245f78;
  padding: 0.6em 0 0.2em 0;
  display: block;
}
.book figcaption p {
  color: #000;
  line-height: 1.3;
}
.book-cover-container {
  position: relative;
  -webkit-perspective: 400px;
          perspective: 400px;
  -webkit-transform-style: preserve-3d;
          transform-style: preserve-3d;
  -webkit-transform: rotateY(0);
          transform: rotateY(0);
  -webkit-transform-origin: center center;
          transform-origin: center center;
  -webkit-transition: -webkit-transform 300ms ease-out;
  transition: -webkit-transform 300ms ease-out;
  transition: transform 300ms ease-out;
  transition: transform 300ms ease-out, -webkit-transform 300ms ease-out;
}
.book-cover-container:hover {
  -webkit-transform: rotateY(40deg);
          transform: rotateY(40deg);
}
.book-cover {
  height: 210px;
}
.book-left {
  position: absolute;
  top: 0;
  left: -30px;
  width: 30px;
  height: 210px;
  -webkit-transform: rotateY(-90deg);
          transform: rotateY(-90deg);
  background-color: #000;
  -webkit-transform-origin: right center 0;
          transform-origin: right center 0;
}
.book-left.book-light {
  background-color: #f5f5dc;
}
.tutorial {
  position: fixed;
  right: 20px;
  bottom: 80px;
  padding: 0.5em 0.75em;
  border-radius: 20px;
  background-color: rgba(255,255,255,0.7);
  font-family: 'Cookie', cursive;
  font-size: 2em;
  -webkit-transition: opacity 300ms ease-out;
  transition: opacity 300ms ease-out;
  opacity: 0;
}
.tutorial.tutorial-on {
  opacity: 1;
  -webkit-animation: bounce 1s ease-out 0s infinite alternate;
          animation: bounce 1s ease-out 0s infinite alternate;
}
@-webkit-keyframes bounce {
  from {
    right: 20px;
  }
  to {
    right: 40px;
  }
}
@keyframes bounce {
  from {
    right: 20px;
  }
  to {
    right: 40px;
  }
}
#easter-egg-panel {
  position: absolute;
  right: 1vw;
  bottom: 4vh;
  color: #000;
  padding: 5px;
  font-size: 11px;
  background-color: #fff;
  border-radius: 5px;
  -webkit-transition: opacity 100ms ease-out;
  transition: opacity 100ms ease-out;
  pointer-events: none;
  opacity: 0;
}
#easter-egg-panel.active {
  opacity: 0.5;
}
.easter-egg-key {
  -webkit-transition: all 100ms ease-out;
  transition: all 100ms ease-out;
  opacity: 0;
  -webkit-transform: translate3d(1em, 0, 0);
          transform: translate3d(1em, 0, 0);
}
.easter-egg-key.active {
  opacity: 1;
  -webkit-transform: translate3d(0, 0, 0);
          transform: translate3d(0, 0, 0);
}
.bespoke-backdrop {
  opacity: 0;
  will-change: opacity;
  -webkit-transition: opacity 200ms ease-out 0ms;
  transition: opacity 200ms ease-out 0ms;
  pointer-events: none;
}
.bespoke-backdrop.bespoke-backdrop-active {
  opacity: 1;
  -webkit-transition-delay: 200ms;
          transition-delay: 200ms;
}
.bespoke-overview .bespoke-backdrop {
  -webkit-transition-delay: 0ms;
          transition-delay: 0ms;
  opacity: 0.1;
}
.bespoke-slide[data-bespoke-backdrop] {
  z-index: 2;
}
.collision.bespoke-backdrop {
  background-image: url("../images/sat.jpg");
  background-color: #fff;
  background-position: center center;
  background-size: auto;
  background-repeat: no-repeat;
  width: 100%;
  height: 100%;
}
.bespoke-slide[data-bespoke-backdrop="collision"] {
  text-shadow: 3px 3px rgba(0,0,0,0.25), 2px 2px rgba(0,0,0,0.5), 1px 1px rgba(0,0,0,0.75);
}
.bespoke-slide[data-bespoke-backdrop="collision"] h2 {
  color: #fff;
}
.unity-vikings.bespoke-backdrop-active {
  background-image: url("../images/unity-viking-village.jpg");
  background-size: cover;
  background-repeat: no-repeat;
  width: 100%;
  height: 100%;
}
.bespoke-slide[data-bespoke-backdrop="unity-vikings"] h1 {
  background-color: rgba(0,0,0,0.6);
  border-radius: 0.25em;
  padding: 0.5em 1em;
  text-shadow: 7px 7px rgba(0,0,0,0.25), 2px 2px rgba(0,0,0,0.5), 1px 1px rgba(0,0,0,0.75);
  color: #dc0b00;
  -webkit-transition: opacity 200ms ease-out;
  transition: opacity 200ms ease-out;
}
.bespoke-slide[data-bespoke-backdrop="unity-vikings"] h1:hover {
  opacity: 0;
}
.orc-progress-3ds.bespoke-backdrop-active {
  background-image: url("../images/orc-progress-3ds.jpg");
  background-size: cover;
  background-repeat: no-repeat;
  width: 100%;
  height: 100%;
  background-position-x: 50%;
  opacity: 0.7;
}
.bespoke-slide[data-bespoke-backdrop="orc-progress-3ds"] {
  text-shadow: 2px 2px #fff;
}
.rpgmaker-sand.bespoke-backdrop {
  background-image: url("../images/rpgmaker-sand-map.jpg");
  background-size: cover;
  background-repeat: no-repeat;
  width: 100%;
  height: 100%;
}
.bespoke-slide[data-bespoke-backdrop="rpgmaker-sand"] h1 {
  padding: 0.5em 1em;
  border-radius: 0.2em;
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
  text-shadow: 2px 2px #fff;
  background-color: rgba(0,0,0,0.4);
}
.beyond-two-souls.bespoke-backdrop-active {
  background-image: url("../images/beyond-two-souls.jpg");
  background-size: cover;
  background-repeat: no-repeat;
  width: 100%;
  height: 100%;
}
.bespoke-slide[data-bespoke-backdrop="beyond-two-souls"] {
  text-shadow: 3px 3px rgba(0,0,0,0.25), 2px 2px rgba(0,0,0,0.5), 1px 1px rgba(0,0,0,0.75);
  color: #fff;
}
.lol-final-seoul.bespoke-backdrop-active {
  background-image: url("../images/lol-finals-2014-seoul.jpg");
  background-size: cover;
  background-repeat: no-repeat;
  width: 100%;
  height: 100%;
}
.bespoke-slide[data-bespoke-backdrop="lol-final-seoul"] {
  text-shadow: 3px 3px rgba(0,0,0,0.25), 2px 2px rgba(0,0,0,0.5), 1px 1px rgba(0,0,0,0.75);
  color: #fff;
  background: rgba(255,255,255,0.35);
  padding: 0.5em 1.5em;
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
}
.heroes.bespoke-backdrop-active {
  background-image: url("../images/heroes.png");
  background-size: cover;
  background-repeat: no-repeat;
  width: 100%;
  height: 100%;
}
.super-mario-3d-world.bespoke-backdrop-active {
  background-image: url("../images/super-mario-3d-world.jpg");
  background-size: cover;
  background-repeat: no-repeat;
  width: 100%;
  height: 100%;
}
.bespoke-slide[data-bespoke-backdrop="super-mario-3d-world"] {
  background-image: -webkit-gradient(linear, left top, left bottom, color-stop(40%, rgba(255,255,255,0.7)), to(rgba(255,255,255,0.15)));
  background-image: linear-gradient(to bottom, rgba(255,255,255,0.7) 40%, rgba(255,255,255,0.15) 100%);
  text-shadow: 3px 3px rgba(0,0,0,0.25), 2px 2px rgba(0,0,0,0.5), 1px 1px rgba(0,0,0,0.75);
  color: #5c5c5c;
}
.jobs-blizzard.bespoke-backdrop-active {
  background-image: url("../images/jobs-blizzard.jpg");
  background-size: cover;
  background-repeat: no-repeat;
  width: 100%;
  height: 100%;
}
.movement.bespoke-backdrop-active {
  background-image: url("../images/movement.gif");
  background-size: cover;
  background-repeat: no-repeat;
  width: 100%;
  height: 100%;
  background-position-x: 50%;
  background-size: contain;
}
.pathfinder.bespoke-backdrop-active {
  background-image: url("../images/pathfinder.jpg");
  background-size: cover;
  background-repeat: no-repeat;
  width: 100%;
  height: 100%;
  background-position-x: 50%;
}
.world-representation.bespoke-backdrop-active {
  background-image: url("../images/nav-mesh-big.png");
  background-size: cover;
  background-repeat: no-repeat;
  width: 100%;
  height: 100%;
  background-position-x: 50%;
}
.white.bespoke-backdrop-active {
  background-color: #fff;
  background-size: cover;
  background-repeat: no-repeat;
  width: 100%;
  height: 100%;
}
.bespoke-slide[data-bespoke-backdrop="movement"],
.bespoke-slide[data-bespoke-backdrop="pathfinder"],
.bespoke-slide[data-bespoke-backdrop="world-representation"] {
  text-shadow: 3px 3px rgba(0,0,0,0.25), 2px 2px rgba(0,0,0,0.5), 1px 1px rgba(0,0,0,0.75);
}
.bespoke-slide[data-bespoke-backdrop="jobs-blizzard"] a {
  position: relative;
  background-color: rgba(255,255,255,0.5);
  border-radius: 0.5em;
  padding: 0.15em 0.5em;
  color: #000;
  text-decoration: underline;
  -webkit-box-shadow: 0 0 0 rgba(0,0,0,0.7);
          box-shadow: 0 0 0 rgba(0,0,0,0.7);
  top: 0;
  -webkit-transition: top 200ms ease-out, -webkit-box-shadow 200ms ease-out;
  transition: top 200ms ease-out, -webkit-box-shadow 200ms ease-out;
  transition: top 200ms ease-out, box-shadow 200ms ease-out;
  transition: top 200ms ease-out, box-shadow 200ms ease-out, -webkit-box-shadow 200ms ease-out;
}
.bespoke-slide[data-bespoke-backdrop="jobs-blizzard"] a:hover {
  top: -0.2em;
  -webkit-box-shadow: 0.2em 0.2em 0.2em rgba(0,0,0,0.3);
          box-shadow: 0.2em 0.2em 0.2em rgba(0,0,0,0.3);
}
.mgs-quiet.bespoke-backdrop-active {
  background-image: url("../images/mgs-quiet.jpg");
  background-size: cover;
  background-repeat: no-repeat;
  width: 100%;
  height: 100%;
  background-size: cover;
}
.decision-tree-sample.bespoke-backdrop-active {
  background-image: url("../images/decision-tree-sample.png");
  background-size: cover;
  background-repeat: no-repeat;
  width: 100%;
  height: 100%;
  background-position: 50% 80%;
  background-size: initial;
}
.fsm-sample.bespoke-backdrop-active {
  background-color: #fff;
  background-image: url("../images/fsm-sample.png");
  background-size: cover;
  background-repeat: no-repeat;
  width: 100%;
  height: 100%;
  background-position: 50% 50%;
  background-size: initial;
}
.halo2.bespoke-backdrop-active {
  background-image: url("../images/halo2.jpg");
  background-size: cover;
  background-repeat: no-repeat;
  width: 100%;
  height: 100%;
  background-size: cover;
}
.the-sims4.bespoke-backdrop-active {
  background-image: url("../images/the-sims4.png");
  background-size: cover;
  background-repeat: no-repeat;
  width: 100%;
  height: 100%;
  background-size: cover;
}
.bespoke-slide[data-bespoke-backdrop="mgs-quiet"],
.bespoke-slide[data-bespoke-backdrop="decision-tree-sample"],
.bespoke-slide[data-bespoke-backdrop="fsm-sample"],
.bespoke-slide[data-bespoke-backdrop="halo2"],
.bespoke-slide[data-bespoke-backdrop="the-sims4"] {
  text-shadow: 3px 3px rgba(0,0,0,0.25), 2px 2px rgba(0,0,0,0.5), 1px 1px rgba(0,0,0,0.75);
}
.bespoke-slide[data-bespoke-backdrop="decision-tree-sample"],
.bespoke-slide[data-bespoke-backdrop="fsm-sample"] {
  background-image: -webkit-gradient(linear, left top, left bottom, color-stop(40%, rgba(255,255,255,0.7)), to(rgba(255,255,255,0.15)));
  background-image: linear-gradient(to bottom, rgba(255,255,255,0.7) 40%, rgba(255,255,255,0.15) 100%);
}
.unity-ssao.bespoke-backdrop-active {
  background-image: url("../images/unity-ssao.jpg");
  background-size: cover;
  background-repeat: no-repeat;
  width: 100%;
  height: 100%;
  background-size: cover;
}
.scene-graph-sample.bespoke-backdrop-active {
  background-color: #fff;
  background-image: url("../images/scene-graph-sample.png");
  background-size: cover;
  background-repeat: no-repeat;
  width: 100%;
  height: 100%;
  background-size: initial;
  background-position: 50% 5%;
}
.lod-tank.bespoke-backdrop-active {
  background-color: #fff;
  background-image: url("../images/lod-tank.png");
  background-size: cover;
  background-repeat: no-repeat;
  width: 100%;
  height: 100%;
  background-size: contain;
  background-position: 50% 50%;
}
.the-witcher-2-shadows.bespoke-backdrop-active {
  background-image: url("../images/the-witcher-2-shadows.jpg");
  background-size: cover;
  background-repeat: no-repeat;
  width: 100%;
  height: 100%;
  background-size: cover;
}
.ssao-farcry4.bespoke-backdrop-active {
  background-image: url("../images/ssao-farcry4.png");
  background-size: cover;
  background-repeat: no-repeat;
  width: 100%;
  height: 100%;
  background-size: cover;
}
.trine-2-deferred-shading.bespoke-backdrop-active {
  background-image: url("../images/trine-2-deferred-shading.png");
  background-size: cover;
  background-repeat: no-repeat;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center center;
}
.bespoke-slide[data-bespoke-backdrop="ssao-farcry4"],
.bespoke-slide[data-bespoke-backdrop="scene-graph-sample"],
.bespoke-slide[data-bespoke-backdrop="lod-tank"],
.bespoke-slide[data-bespoke-backdrop="the-witcher-2-shadows"],
.bespoke-slide[data-bespoke-backdrop="little-big-planet-3"],
.bespoke-slide[data-bespoke-backdrop="unity-ssao"] {
  text-shadow: 3px 3px rgba(0,0,0,0.25), 2px 2px rgba(0,0,0,0.5), 1px 1px rgba(0,0,0,0.75);
}
.bespoke-slide[data-bespoke-backdrop="lod-tank"] > h1 {
  color: #60ff00;
}
.the-incredible-machine.bespoke-backdrop-active {
  background-image: url("../images/the-incredible-machine.gif");
  background-size: cover;
  background-repeat: no-repeat;
  width: 100%;
  height: 100%;
  background-size: cover;
}
.bespoke-slide[data-bespoke-backdrop="the-incredible-machine"] {
  text-shadow: 3px 3px rgba(0,0,0,0.25), 2px 2px rgba(0,0,0,0.5), 1px 1px rgba(0,0,0,0.75);
}
.bespoke-slide[data-bespoke-backdrop="the-incredible-machine"]> h1 {
  color: #8e8e8e;
  background-color: rgba(255,255,255,0.75);
  padding: 0.5em 0.25em;
  border-radius: 0.25em;
}
.redinha.bespoke-backdrop-active {
  background-image: url("../images/redinha2.jpg");
  background-size: cover;
  background-repeat: no-repeat;
  width: 100%;
  height: 100%;
  background-size: cover;
}
.bespoke-slide[data-bespoke-backdrop="redinha"] {
  text-shadow: 3px 3px rgba(0,0,0,0.25), 2px 2px rgba(0,0,0,0.5), 1px 1px rgba(0,0,0,0.75);
}
.bespoke-slide[data-bespoke-backdrop="redinha"]> h1 {
  color: #8e8e8e;
  background-color: rgba(255,255,255,0.75);
  padding: 0.5em 0.25em;
  border-radius: 0.25em;
}
.oldtimes.bespoke-backdrop-active {
  background-image: url("../images/old-movie-texture.gif");
  background-size: cover;
  opacity: 0.4;
  width: 100%;
  height: 100%;
}
.bespoke-parent.checkpoint {
  background-color: #b08fe8;
}
.bespoke-slide[data-bespoke-state="checkpoint"]:nth-of-type(6n+0) {
  background-color: #f1ecec;
  display: block;
  background-image: -webkit-gradient(linear, left top, right top, color-stop(30%, #4a488e), color-stop(31%, rgba(148,148,148,0))), -webkit-gradient(linear, left top, left bottom, color-stop(15%, #d496a2), color-stop(15%, transparent));
  background-image: linear-gradient(90deg, #4a488e 30%, rgba(148,148,148,0) 31%), linear-gradient(to bottom, #d496a2 15%, transparent 15%);
  -webkit-box-shadow: 4px 4px 4px rgba(60,60,60,0.5), -4px 4px 4px rgba(60,60,60,0.5);
          box-shadow: 4px 4px 4px rgba(60,60,60,0.5), -4px 4px 4px rgba(60,60,60,0.5);
}
.bespoke-slide[data-bespoke-state="checkpoint"]:nth-of-type(6n+0) > h1 {
  width: 30%;
  color: #fff;
  float: left;
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
  padding: 0.2em;
  font-size: 32px;
  word-wrap: break-word;
  word-break: break-word;
  position: relative;
  top: 50%;
  -webkit-transform: translateY(-50%);
          transform: translateY(-50%);
}
.bespoke-slide[data-bespoke-state="checkpoint"]:nth-of-type(6n+0) > h2 {
  margin-left: 30%;
  color: #4c1f28;
}
.bespoke-slide[data-bespoke-state="checkpoint"]:nth-of-type(6n+0) > ul,
.bespoke-slide[data-bespoke-state="checkpoint"]:nth-of-type(6n+0) > ol {
  margin-left: 34%;
  margin-top: 10%;
}
.bespoke-slide[data-bespoke-state="checkpoint"]:nth-of-type(6n+0) > ul > li,
.bespoke-slide[data-bespoke-state="checkpoint"]:nth-of-type(6n+0) > ol > li {
  margin-bottom: 1em;
}
.bespoke-slide[data-bespoke-state="checkpoint"]:nth-of-type(6n+1) {
  background-color: #f1ecec;
  display: block;
  background-image: -webkit-gradient(linear, left top, right top, color-stop(30%, #cc7a09), color-stop(31%, rgba(148,148,148,0))), -webkit-gradient(linear, left top, left bottom, color-stop(15%, #dfadee), color-stop(15%, transparent));
  background-image: linear-gradient(90deg, #cc7a09 30%, rgba(148,148,148,0) 31%), linear-gradient(to bottom, #dfadee 15%, transparent 15%);
  -webkit-box-shadow: 4px 4px 4px rgba(60,60,60,0.5), -4px 4px 4px rgba(60,60,60,0.5);
          box-shadow: 4px 4px 4px rgba(60,60,60,0.5), -4px 4px 4px rgba(60,60,60,0.5);
}
.bespoke-slide[data-bespoke-state="checkpoint"]:nth-of-type(6n+1) > h1 {
  width: 30%;
  color: #fff;
  float: left;
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
  padding: 0.2em;
  font-size: 32px;
  word-wrap: break-word;
  word-break: break-word;
  position: relative;
  top: 50%;
  -webkit-transform: translateY(-50%);
          transform: translateY(-50%);
}
.bespoke-slide[data-bespoke-state="checkpoint"]:nth-of-type(6n+1) > h2 {
  margin-left: 30%;
  color: #6a1b81;
}
.bespoke-slide[data-bespoke-state="checkpoint"]:nth-of-type(6n+1) > ul,
.bespoke-slide[data-bespoke-state="checkpoint"]:nth-of-type(6n+1) > ol {
  margin-left: 34%;
  margin-top: 10%;
}
.bespoke-slide[data-bespoke-state="checkpoint"]:nth-of-type(6n+1) > ul > li,
.bespoke-slide[data-bespoke-state="checkpoint"]:nth-of-type(6n+1) > ol > li {
  margin-bottom: 1em;
}
.bespoke-slide[data-bespoke-state="checkpoint"]:nth-of-type(6n+2) {
  background-color: #f1ecec;
  display: block;
  background-image: -webkit-gradient(linear, left top, right top, color-stop(30%, #ff1530), color-stop(31%, rgba(148,148,148,0))), -webkit-gradient(linear, left top, left bottom, color-stop(15%, #93ef9a), color-stop(15%, transparent));
  background-image: linear-gradient(90deg, #ff1530 30%, rgba(148,148,148,0) 31%), linear-gradient(to bottom, #93ef9a 15%, transparent 15%);
  -webkit-box-shadow: 4px 4px 4px rgba(60,60,60,0.5), -4px 4px 4px rgba(60,60,60,0.5);
          box-shadow: 4px 4px 4px rgba(60,60,60,0.5), -4px 4px 4px rgba(60,60,60,0.5);
}
.bespoke-slide[data-bespoke-state="checkpoint"]:nth-of-type(6n+2) > h1 {
  width: 30%;
  color: #fff;
  float: left;
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
  padding: 0.2em;
  font-size: 32px;
  word-wrap: break-word;
  word-break: break-word;
  position: relative;
  top: 50%;
  -webkit-transform: translateY(-50%);
          transform: translateY(-50%);
}
.bespoke-slide[data-bespoke-state="checkpoint"]:nth-of-type(6n+2) > h2 {
  margin-left: 30%;
  color: #117218;
}
.bespoke-slide[data-bespoke-state="checkpoint"]:nth-of-type(6n+2) > ul,
.bespoke-slide[data-bespoke-state="checkpoint"]:nth-of-type(6n+2) > ol {
  margin-left: 34%;
  margin-top: 10%;
}
.bespoke-slide[data-bespoke-state="checkpoint"]:nth-of-type(6n+2) > ul > li,
.bespoke-slide[data-bespoke-state="checkpoint"]:nth-of-type(6n+2) > ol > li {
  margin-bottom: 1em;
}
.bespoke-slide[data-bespoke-state="checkpoint"]:nth-of-type(6n+3) {
  background-color: #f1ecec;
  display: block;
  background-image: -webkit-gradient(linear, left top, right top, color-stop(30%, #20aa12), color-stop(31%, rgba(148,148,148,0))), -webkit-gradient(linear, left top, left bottom, color-stop(15%, #e87777), color-stop(15%, transparent));
  background-image: linear-gradient(90deg, #20aa12 30%, rgba(148,148,148,0) 31%), linear-gradient(to bottom, #e87777 15%, transparent 15%);
  -webkit-box-shadow: 4px 4px 4px rgba(60,60,60,0.5), -4px 4px 4px rgba(60,60,60,0.5);
          box-shadow: 4px 4px 4px rgba(60,60,60,0.5), -4px 4px 4px rgba(60,60,60,0.5);
}
.bespoke-slide[data-bespoke-state="checkpoint"]:nth-of-type(6n+3) > h1 {
  width: 30%;
  color: #fff;
  float: left;
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
  padding: 0.2em;
  font-size: 32px;
  word-wrap: break-word;
  word-break: break-word;
  position: relative;
  top: 50%;
  -webkit-transform: translateY(-50%);
          transform: translateY(-50%);
}
.bespoke-slide[data-bespoke-state="checkpoint"]:nth-of-type(6n+3) > h2 {
  margin-left: 30%;
  color: #520e0e;
}
.bespoke-slide[data-bespoke-state="checkpoint"]:nth-of-type(6n+3) > ul,
.bespoke-slide[data-bespoke-state="checkpoint"]:nth-of-type(6n+3) > ol {
  margin-left: 34%;
  margin-top: 10%;
}
.bespoke-slide[data-bespoke-state="checkpoint"]:nth-of-type(6n+3) > ul > li,
.bespoke-slide[data-bespoke-state="checkpoint"]:nth-of-type(6n+3) > ol > li {
  margin-bottom: 1em;
}
.bespoke-slide[data-bespoke-state="checkpoint"]:nth-of-type(6n+4) {
  background-color: #f1ecec;
  display: block;
  background-image: -webkit-gradient(linear, left top, right top, color-stop(30%, #949416), color-stop(31%, rgba(148,148,148,0))), -webkit-gradient(linear, left top, left bottom, color-stop(15%, #b6a7e4), color-stop(15%, transparent));
  background-image: linear-gradient(90deg, #949416 30%, rgba(148,148,148,0) 31%), linear-gradient(to bottom, #b6a7e4 15%, transparent 15%);
  -webkit-box-shadow: 4px 4px 4px rgba(60,60,60,0.5), -4px 4px 4px rgba(60,60,60,0.5);
          box-shadow: 4px 4px 4px rgba(60,60,60,0.5), -4px 4px 4px rgba(60,60,60,0.5);
}
.bespoke-slide[data-bespoke-state="checkpoint"]:nth-of-type(6n+4) > h1 {
  width: 30%;
  color: #fff;
  float: left;
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
  padding: 0.2em;
  font-size: 32px;
  word-wrap: break-word;
  word-break: break-word;
  position: relative;
  top: 50%;
  -webkit-transform: translateY(-50%);
          transform: translateY(-50%);
}
.bespoke-slide[data-bespoke-state="checkpoint"]:nth-of-type(6n+4) > h2 {
  margin-left: 30%;
  color: #33216b;
}
.bespoke-slide[data-bespoke-state="checkpoint"]:nth-of-type(6n+4) > ul,
.bespoke-slide[data-bespoke-state="checkpoint"]:nth-of-type(6n+4) > ol {
  margin-left: 34%;
  margin-top: 10%;
}
.bespoke-slide[data-bespoke-state="checkpoint"]:nth-of-type(6n+4) > ul > li,
.bespoke-slide[data-bespoke-state="checkpoint"]:nth-of-type(6n+4) > ol > li {
  margin-bottom: 1em;
}
.bespoke-slide[data-bespoke-state="checkpoint"]:nth-of-type(6n+5) {
  background-color: #f1ecec;
  display: block;
  background-image: -webkit-gradient(linear, left top, right top, color-stop(30%, #ccbd0d), color-stop(31%, rgba(148,148,148,0))), -webkit-gradient(linear, left top, left bottom, color-stop(15%, #e4aef5), color-stop(15%, transparent));
  background-image: linear-gradient(90deg, #ccbd0d 30%, rgba(148,148,148,0) 31%), linear-gradient(to bottom, #e4aef5 15%, transparent 15%);
  -webkit-box-shadow: 4px 4px 4px rgba(60,60,60,0.5), -4px 4px 4px rgba(60,60,60,0.5);
          box-shadow: 4px 4px 4px rgba(60,60,60,0.5), -4px 4px 4px rgba(60,60,60,0.5);
}
.bespoke-slide[data-bespoke-state="checkpoint"]:nth-of-type(6n+5) > h1 {
  width: 30%;
  color: #fff;
  float: left;
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
  padding: 0.2em;
  font-size: 32px;
  word-wrap: break-word;
  word-break: break-word;
  position: relative;
  top: 50%;
  -webkit-transform: translateY(-50%);
          transform: translateY(-50%);
}
.bespoke-slide[data-bespoke-state="checkpoint"]:nth-of-type(6n+5) > h2 {
  margin-left: 30%;
  color: #731292;
}
.bespoke-slide[data-bespoke-state="checkpoint"]:nth-of-type(6n+5) > ul,
.bespoke-slide[data-bespoke-state="checkpoint"]:nth-of-type(6n+5) > ol {
  margin-left: 34%;
  margin-top: 10%;
}
.bespoke-slide[data-bespoke-state="checkpoint"]:nth-of-type(6n+5) > ul > li,
.bespoke-slide[data-bespoke-state="checkpoint"]:nth-of-type(6n+5) > ol > li {
  margin-bottom: 1em;
}
.layout-grid-2-column-with-title {
  display: grid;
  grid-template-rows: auto auto;
  grid-template-columns: 1fr 1fr;
  grid-template-areas: "t1 t2" "c1 c2";
}
.layout-grid-2-column-with-title .c1 {
  grid-area: c1;
}
.layout-grid-2-column-with-title .c2 {
  grid-area: c2;
}
.layout-grid-2-column-with-title .t1 {
  grid-area: t1;
}
.layout-grid-2-column-with-title .t2 {
  grid-area: t2;
}
.layout-grid-2x2-1x3-1x1 {
  display: grid;
  grid-template-rows: auto auto;
  grid-template-columns: 1fr 1fr;
  grid-template-areas: "c1x1 c1x2" "c2x1 c2x2";
}
.layout-grid-2x2-1x3-1x1 .c1x1 {
  grid-area: c1x1;
}
.layout-grid-2x2-1x3-1x1 .c1x2 {
  grid-area: c1x2;
}
.layout-grid-2x2-1x3-1x1 .c2x1 {
  grid-area: c2x1;
}
.layout-grid-2x2-1x3-1x1 .c2x2 {
  grid-area: c2x2;
}
.layout-title h1::before {
  background-image: url("../images/sky-stellar.jpg");
}
.layout-section-header::after {
  background-image: url("../images/constellation.jpg");
}
.layout-stripe .stripe {
  background-image: url("../images/stripe-forest.jpg");
}
.syllabus .layout-title {
  background-color: #fff;
}
.syllabus .layout-title h1 {
  padding-bottom: 3em;
}
.syllabus .layout-title h1::before {
  background-image: url("../images/super-mario-wallpaper.jpg");
}
.tools .layout-title {
  background-color: #eae695;
}
.tools .layout-title h1:before {
  background-image: url("../images/unity-viking-village.jpg");
  background-position-y: 40%;
}
.tools .makers.layout-section-header::after {
  background-image: url("../images/rpgmaker-editor.jpg");
  -webkit-animation: movingbg-x 20s linear 0s infinite alternate;
          animation: movingbg-x 20s linear 0s infinite alternate;
}
.tools .apis-graficas.layout-section-header::after {
  background-image: url("../images/codigo-opengl.png");
}
.tools .frameworks.layout-section-header::after {
  background-image: url("../images/incomplete-puzzle.jpg");
}
.tools .engines.layout-section-header::after {
  background-image: url("../images/unity-editor-hex.png");
  -webkit-animation: movingbg-x 20s linear 0s infinite alternate;
          animation: movingbg-x 20s linear 0s infinite alternate;
}
.intro .layout-title h1::before {
  background-image: url("../images/screenshot-zelda-wii-u.jpg");
  background-position: center center;
}
.intro .historia.layout-section-header::after {
  background-image: url("../images/fliperama.jpg");
  background-size: cover;
  background-position: right;
}
.intro .plataformas.layout-section-header::after {
  background-image: url("../images/platforms.jpg");
  background-size: cover;
  background-position: right;
}
.intro .generos.layout-section-header::after {
  background-image: url("../images/game-genres.jpg");
  background-size: contain;
  background-position: center;
}
.d-graphics .layout-title.bespoke-slide h1 {
  color: #ef7a02;
  background-color: rgba(255,255,255,0.667);
  font-size: 4em;
}
.d-graphics .layout-title.bespoke-slide h1::before {
  background-image: url("../images/paper-mario-spritesheet.png");
  background-position: center center;
}
.d-graphics .pratica-do-goomba.layout-section-header::after {
  background-image: url("https://github.com/fegemo/cefet-games-goomba/raw/master/core/assets/result.gif");
  background-size: cover;
  -ms-interpolation-mode: nearest-neighbor;
      image-rendering: -webkit-optimize-contrast;
      image-rendering: -moz-crisp-edges;
      image-rendering: -o-pixelated;
      image-rendering: pixelated;
}
.d-graphics .libgdx.layout-section-header::after {
  background-image: url("../images/codigo-opengl.png");
  background-size: cover;
}
.d-graphics .representacao-de-imagens.layout-section-header::after {
  background-image: url("../images/vector-vs-raster.jpg");
  background-size: contain;
  background-position: center center;
  background-repeat: no-repeat;
}
.movement .layout-title.bespoke-slide h1 {
  color: #6495ed;
}
.movement .layout-title.bespoke-slide h1::before {
  background-image: url("../images/movement.gif");
  background-position: center;
  background-size: contain;
}
.pathfinding .layout-title.bespoke-slide h1 > * {
  margin-right: 0.5em;
}
.pathfinding .layout-title.bespoke-slide h1::before {
  background-image: url("../images/pathfinding.jpg");
  background-position: center;
  background-size: cover;
}
.pathfinding .introducao-a-pathfinding.layout-section-header::after {
  background-image: url("../images/pathfinding-2.png");
  background-size: contain;
  background-position: center center;
  background-repeat: no-repeat;
}
.pathfinding .algoritmo-de-dijkstra.layout-section-header::after {
  background-image: url("../images/dijkstra.jpg");
  background-size: contain;
  background-position: center center;
  background-repeat: no-repeat;
}
.world-representation .layout-title.bespoke-slide h1 > * {
  margin-right: 0.5em;
}
.world-representation .layout-title.bespoke-slide h1::before {
  background-image: url("../images/nav-mesh-big.png");
  background-position: center;
  background-size: cover;
}
.world-representation .introducao-a-pathfinding.layout-section-header::after {
  background-image: url("../images/pathfinding-2.png");
  background-size: contain;
  background-position: center center;
  background-repeat: no-repeat;
}
.world-representation .algoritmo-de-dijkstra.layout-section-header::after {
  background-image: url("../images/dijkstra.jpg");
  background-size: contain;
  background-position: center center;
  background-repeat: no-repeat;
}
.intro3 .layout-title.bespoke-slide h1 {
  font-weight: bold;
}
.intro3 .layout-title.bespoke-slide h1 > * {
  margin-right: 0.5em;
}
.intro3 .layout-title.bespoke-slide h1::before {
  background-image: url("../images/super-mario-3d-world.jpg");
  background-position: center;
  background-size: cover;
}
.realtime-rendering-pt1 .layout-title.bespoke-slide h1 > * {
  margin-right: 0.5em;
}
.realtime-rendering-pt1 .layout-title.bespoke-slide h1::before {
  background-image: url("../images/zelda-links-awakening.jpg");
  background-position: center;
  background-size: cover;
}
.realtime-rendering-pt1 .grafo-de-cena.layout-section-header::after {
  background-image: url("../images/scene-graph-sample.png");
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
}
.realtime-rendering-pt1 .level-of-detail.layout-section-header::after {
  background-image: url("../images/lod-tank.png");
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
}
.realtime-rendering-pt1 .pos-processamento.layout-section-header::after {
  background-image: url("../images/g-toon.png");
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
}
.realtime-rendering-pt1 .efeitos-complexos.layout-section-header::after {
  background-image: url("../images/zelda-links-awakening.jpg");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.realtime-rendering-pt2 .layout-title.bespoke-slide h1::before {
  background-image: url("../images/little-big-planet-3.jpg");
  background-size: cover;
}
.realtime-rendering-pt2 .arvores-e-vegetacao.layout-section-header::after {
  background-image: url("../images/crysis3-foliage.jpg");
  background-size: cover;
}
.realtime-rendering-pt2 .sombreamento-tardio.layout-section-header::after {
  background-image: url("../images/deferred-lighting.jpg");
  background-size: cover;
}
.animation .layout-title h1::before {
  background-image: url("../images/max-payne3.jpg");
  background-position: top center;
}
.animation .tipos-de-animacao.layout-section-header::after {
  background-image: url("../images/characters-animation.gif"), -webkit-gradient(linear, left top, right top, color-stop(33.33333%, #f3b21c), color-stop(33.33333%, #f34538), color-stop(66.666667%, #f34538), color-stop(66.666667%, #7d8acf));
  background-image: url("../images/characters-animation.gif"), linear-gradient(to right, #f3b21c 33.33333%, #f34538 33.33333%, #f34538 66.666667%, #7d8acf 66.666667%);
  background-size: contain, cover;
  background-repeat: no-repeat;
  background-position: center center;
}
@-webkit-keyframes movingbg-x {
  from {
    background-position: 0 100%;
  }
  to {
    background-position: 100% 100%;
  }
}
@keyframes movingbg-x {
  from {
    background-position: 0 100%;
  }
  to {
    background-position: 100% 100%;
  }
}
@media print {
  #page-header {
    display: none !important;
  }
  .book-cover {
    height: 150px !important;
  }
}