/**
 * Black theme for reveal.js. This is the opposite of the 'white' theme.
 *
 * By Hakim El Hattab, http://hakim.se
 */
@import url(./fonts/source-sans-pro/source-sans-pro.css);
@import url("https://fonts.googleapis.com/css2?family=Roboto+Slab:wght@100..900&display=swap");
section.has-light-background, section.has-light-background h1, section.has-light-background h2, section.has-light-background h3, section.has-light-background h4, section.has-light-background h5, section.has-light-background h6 {
  color: #222;
}

:root {
  --r-background-color: #2b2b2b;
  --r-main-font: Roboto Slab, Source Sans Pro, Helvetica, sans-serif;
  --r-main-font-size: 2em;
  --r-main-color: #fff;
  --r-block-margin: 20px;
  --r-heading-margin: 0 0 20px 0;
  --r-heading-font: Roboto Slab, Source Sans Pro, Helvetica, sans-serif;
  --r-heading-color: #fff;
  --r-heading-line-height: 1.2;
  --r-heading-letter-spacing: normal;
  --r-heading-text-transform: normal;
  --r-heading-text-shadow: none;
  --r-heading-font-weight: 500;
  --r-heading1-text-shadow: none;
  --r-heading1-size: 1.75em;
  --r-heading2-size: 1.6em;
  --r-heading3-size: 1.3em;
  --r-heading4-size: 1em;
  --r-code-font: monospace;
  --r-link-color: #42affa;
  --r-link-color-dark: rgb(19.8216494845, 155.4536082474, 248.7783505155);
  --r-link-color-hover: rgb(94.35, 187, 250.75);
  --r-selection-background-color: rgba(66, 175, 250, 0.75);
  --r-selection-color: #fff;
  --r-overlay-element-bg-color: 240, 240, 240;
  --r-overlay-element-fg-color: 0, 0, 0;
}

/*********************************************
 * GLOBAL STYLES
 *********************************************/
:root {
  --r-background-color: #2b2b2b;
  --r-main-font: Roboto Slab, Source Sans Pro, Helvetica, sans-serif;
  --r-main-font-size: 2em;
  --r-main-color: #fff;
  --r-block-margin: 20px;
  --r-heading-margin: 0 0 20px 0;
  --r-heading-font: Roboto Slab, Source Sans Pro, Helvetica, sans-serif;
  --r-heading-color: #fff;
  --r-heading-line-height: 1.2;
  --r-heading-letter-spacing: normal;
  --r-heading-text-transform: normal;
  --r-heading-text-shadow: none;
  --r-heading-font-weight: 500;
  --r-heading1-text-shadow: none;
  --r-heading1-size: 1.75em;
  --r-heading2-size: 1.6em;
  --r-heading3-size: 1.3em;
  --r-heading4-size: 1em;
  --r-code-font: monospace;
  --r-link-color: #42affa;
  --r-link-color-dark: rgb(19.8216494845, 155.4536082474, 248.7783505155);
  --r-link-color-hover: rgb(94.35, 187, 250.75);
  --r-selection-background-color: rgba(66, 175, 250, 0.75);
  --r-selection-color: #fff;
  --r-overlay-element-bg-color: 240, 240, 240;
  --r-overlay-element-fg-color: 0, 0, 0;
}

.reveal-viewport {
  background: #2b2b2b;
  background-color: var(--r-background-color);
}

.reveal {
  font-family: var(--r-main-font);
  font-size: var(--r-main-font-size);
  font-weight: normal;
  color: var(--r-main-color);
}

.reveal ::selection {
  color: var(--r-selection-color);
  background: var(--r-selection-background-color);
  text-shadow: none;
}

.reveal ::-moz-selection {
  color: var(--r-selection-color);
  background: var(--r-selection-background-color);
  text-shadow: none;
}

.reveal .slides section,
.reveal .slides section > section {
  line-height: 1.3;
  font-weight: inherit;
}

/*********************************************
 * HEADERS
 *********************************************/
.reveal h1,
.reveal h2,
.reveal h3,
.reveal h4,
.reveal h5,
.reveal h6 {
  margin: var(--r-heading-margin);
  color: var(--r-heading-color);
  font-family: var(--r-heading-font);
  font-weight: var(--r-heading-font-weight);
  line-height: var(--r-heading-line-height);
  letter-spacing: var(--r-heading-letter-spacing);
  text-transform: var(--r-heading-text-transform);
  text-shadow: var(--r-heading-text-shadow);
  word-wrap: break-word;
}

.reveal h1 {
  font-size: var(--r-heading1-size);
}

.reveal h2 {
  font-size: var(--r-heading2-size);
}

.reveal h3 {
  font-size: var(--r-heading3-size);
}

.reveal h4 {
  font-size: var(--r-heading4-size);
}

.reveal h1 {
  text-shadow: var(--r-heading1-text-shadow);
}

/*********************************************
 * OTHER
 *********************************************/
.reveal p {
  margin: var(--r-block-margin) 0;
  line-height: 1.3;
}

/* Remove trailing margins after titles */
.reveal h1:last-child,
.reveal h2:last-child,
.reveal h3:last-child,
.reveal h4:last-child,
.reveal h5:last-child,
.reveal h6:last-child {
  margin-bottom: 0;
}

/* Ensure certain elements are never larger than the slide itself */
.reveal img,
.reveal video,
.reveal iframe {
  max-width: 95%;
  max-height: 95%;
}

.reveal strong,
.reveal b {
  font-weight: bold;
}

.reveal em {
  font-style: italic;
}

.reveal ol,
.reveal dl,
.reveal ul {
  display: inline-block;
  text-align: left;
  margin: 0 0 0 1em;
}

.reveal ol {
  list-style-type: decimal;
}

.reveal ul {
  list-style-type: disc;
}

.reveal ul ul {
  list-style-type: square;
}

.reveal ul ul ul {
  list-style-type: circle;
}

.reveal ul ul,
.reveal ul ol,
.reveal ol ol,
.reveal ol ul {
  display: block;
  margin-left: 40px;
}

.reveal dt {
  font-weight: bold;
}

.reveal dd {
  margin-left: 40px;
}

.reveal blockquote {
  display: block;
  position: relative;
  width: 70%;
  margin: var(--r-block-margin) auto;
  padding: 5px;
  font-style: italic;
  background: rgba(255, 255, 255, 0.05);
  box-shadow: 0px 0px 2px rgba(0, 0, 0, 0.2);
}

.reveal blockquote p:first-child,
.reveal blockquote p:last-child {
  display: inline-block;
}

.reveal q {
  font-style: italic;
}

.reveal pre {
  display: block;
  position: relative;
  width: 90%;
  margin: var(--r-block-margin) auto;
  text-align: left;
  font-size: 0.55em;
  font-family: var(--r-code-font);
  line-height: 1.2em;
  word-wrap: break-word;
  box-shadow: 0px 5px 15px rgba(0, 0, 0, 0.15);
}

.reveal code {
  font-family: var(--r-code-font);
  text-transform: none;
  tab-size: 2;
}

.reveal pre code {
  display: block;
  padding: 5px;
  overflow: auto;
  max-height: 400px;
  word-wrap: normal;
}

.reveal .code-wrapper {
  white-space: normal;
}

.reveal .code-wrapper code {
  white-space: pre;
}

.reveal table {
  margin: auto;
  border-collapse: collapse;
  border-spacing: 0;
}

.reveal table th {
  font-weight: bold;
}

.reveal table th,
.reveal table td {
  text-align: left;
  padding: 0.2em 0.5em 0.2em 0.5em;
  border-bottom: 1px solid;
}

.reveal table th[align=center],
.reveal table td[align=center] {
  text-align: center;
}

.reveal table th[align=right],
.reveal table td[align=right] {
  text-align: right;
}

.reveal table tbody tr:last-child th,
.reveal table tbody tr:last-child td {
  border-bottom: none;
}

.reveal sup {
  vertical-align: super;
  font-size: smaller;
}

.reveal sub {
  vertical-align: sub;
  font-size: smaller;
}

.reveal small {
  display: inline-block;
  font-size: 0.6em;
  line-height: 1.2em;
  vertical-align: top;
}

.reveal small * {
  vertical-align: top;
}

.reveal img {
  margin: var(--r-block-margin) 0;
}

/*********************************************
 * LINKS
 *********************************************/
.reveal a {
  color: var(--r-link-color);
  text-decoration: none;
  transition: color 0.15s ease;
}

.reveal a:hover {
  color: var(--r-link-color-hover);
  text-shadow: none;
  border: none;
}

.reveal .roll span:after {
  color: #fff;
  background: var(--r-link-color-dark);
}

/*********************************************
 * Frame helper
 *********************************************/
.reveal .r-frame {
  border: 4px solid var(--r-main-color);
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.15);
}

.reveal a .r-frame {
  transition: all 0.15s linear;
}

.reveal a:hover .r-frame {
  border-color: var(--r-link-color);
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.55);
}

/*********************************************
 * NAVIGATION CONTROLS
 *********************************************/
.reveal .controls {
  color: var(--r-link-color);
}

/*********************************************
 * PROGRESS BAR
 *********************************************/
.reveal .progress {
  background: rgba(0, 0, 0, 0.2);
  color: var(--r-link-color);
}

/*********************************************
 * PRINT BACKGROUND
 *********************************************/
@media print {
  .backgrounds {
    background-color: var(--r-background-color);
  }
}
.reveal {
  height: 100%;
}
.reveal .slide-number {
  font-family: "Roboto Slab";
  font-size: 0.85em;
  color: #42affa;
  background-color: rgba(34, 34, 34, 0.6);
}
.reveal .slide-number > a::before {
  content: "Slide";
}
.reveal .slides section {
  z-index: -2;
}
.reveal .slides section i {
  font-weight: 200;
  color: #42affa;
}
.reveal .slides section b {
  font-weight: 900;
  color: #42affa;
}
.reveal .slides section .justify {
  text-align: justify;
  padding: 0% 5%;
}
.reveal .slides section .columns {
  display: flex;
  flex-direction: row;
  justify-content: space-around;
  width: 80%;
  margin: auto;
}
.reveal .slides section .book-link:before {
  content: "";
  background-image: url("https://img.icons8.com/color/48/literature--v1.png");
  background-size: 1.5em;
  background-repeat: no-repeat;
  background-position-x: center;
  background-position-y: top;
  display: inline-block;
  margin-left: 0.25em;
  margin-right: 0.25em;
  margin-bottom: 0.25em;
  height: 1.5em;
  vertical-align: middle;
  width: 1.5em;
}
.reveal .slides section .article-link:before {
  content: "";
  background-image: url("https://img.icons8.com/emoji/48/page-facing-up.png");
  background-size: 1.5em;
  background-repeat: no-repeat;
  background-position-x: center;
  background-position-y: top;
  display: inline-block;
  margin-left: 0.25em;
  margin-right: 0.25em;
  margin-bottom: 0.25em;
  height: 1.5em;
  vertical-align: middle;
  width: 1.5em;
}
.reveal .slides section a:hover {
  opacity: 0.75;
}
.reveal .slides section a {
  transition: all 0.25s ease-in-out;
}
.reveal .slides section ol, .reveal .slides section ul {
  text-align: left;
  margin: 0% 10%;
  font-size: 1.25em;
}
.reveal .slides section ol li::marker, .reveal .slides section ul li::marker {
  font-weight: bold;
  color: #42affa;
}
.reveal .slides section .ragged-left {
  width: 90%;
  text-align: left;
}
.reveal .slides section .thm {
  display: flex;
  flex-direction: column;
  align-content: space-around;
}
.reveal .slides section .thm h2 {
  padding-top: 1em;
  padding-left: 1em;
}
.reveal .slides section .thm p {
  padding-left: 1em;
  padding-right: 1em;
  text-align: justify;
}
.reveal .slides section .light-box {
  position: relative;
  width: max-content;
  height: max-content;
  margin: 0 auto;
}
.reveal .slides section .light-box img {
  border-radius: 0.5em;
}
.reveal .slides section .light-box:after, .reveal .slides section .light-box:before {
  position: absolute;
  display: block;
  filter: none;
  z-index: -1;
  content: "";
  width: 100%;
  height: 100%;
}
.reveal .slides section .light-box:after {
  background-color: rgba(66, 175, 250, 0.6);
  clip-path: polygon(0 0, 97.5% 0, 100% 97.5%, 2.5% 100%);
}
.reveal .slides section .light-box:before {
  background-color: rgba(66, 175, 250, 0.6);
  clip-path: polygon(2.5% 2.5%, 100% 2.5%, 97.5% 100%, 0 97.5%);
}
.reveal .slides section .dark-box {
  position: relative;
  width: max-content;
  height: max-content;
  margin: 0 auto;
}
.reveal .slides section .dark-box img {
  border-radius: 10px;
}
.reveal .slides section .dark-box:after, .reveal .slides section .dark-box:before {
  position: absolute;
  display: block;
  filter: none;
  z-index: -1;
  content: "";
  width: 100%;
  height: 100%;
}
.reveal .slides section .dark-box:after {
  background-color: rgba(23, 61, 87, 0.6);
  clip-path: polygon(0 0, 97.5% 0, 100% 97.5%, 2.5% 100%);
}
.reveal .slides section .dark-box:before {
  background-color: rgba(20, 54, 78, 0.6);
  clip-path: polygon(2.5% 2.5%, 100% 2.5%, 97.5% 100%, 0 97.5%);
}