theme.css

/**
 * A simple theme for reveal.js presentations, similar
 * to the default theme. The accent color is darkblue.
 *
 * This theme is Copyright (C) 2022 Jason Manuel, https://jason-manuel.com. Based on the Paradigm theme in Google Docs.
 * Copyright (C) 2012 Owen Versteeg, https://github.com/StereotypicalApps. It is MIT licensed.
 * reveal.js is Copyright (C) 2011-2012 Hakim El Hattab, http://hakim.se
 */
@import url(https://unpkg.com/primer/build/build.css);
@import url(https://fonts.googleapis.com/css?family=News+Cycle:400,700);
@import url(https://fonts.googleapis.com/css?family=Lato:400,700,400italic,700italic);
section.has-dark-background, section.has-dark-background h1, section.has-dark-background h2, section.has-dark-background h3, section.has-dark-background h4, section.has-dark-background h5, section.has-dark-background h6 {
  color: #fff;
}

/*********************************************
 * GLOBAL STYLES
 *********************************************/
:root {
  --r-background-color: #24292e;
  --r-main-font: inherit;
  --r-main-font-size: 36px;
  --r-main-color: #000;
  --r-block-margin: 20px;
  --r-heading-margin: 0 0 20px 0;
  --r-heading-font: inherit;
  --r-heading-color: #000;
  --r-heading-line-height: 1.2;
  --r-heading-letter-spacing: normal;
  --r-heading-text-transform: none;
  --r-heading-text-shadow: none;
  --r-heading-font-weight: normal;
  --r-heading1-text-shadow: none;
  --r-heading1-size: 2.50em;
  --r-heading2-size: 1.75em;
  --r-heading3-size: 1.55em;
  --r-heading4-size: 1em;
  --r-code-font: monospace;
  --r-link-color: #fff;
  --r-link-color-dark: rgb(83, 155, 245);
  --r-link-color-hover: #71b7ff;
  --r-link-color-hover-dark: #0366d6;
}

.slide-background {
  background: linear-gradient(165deg, #fff 60%, var(--r-background-color) 60%);
}

.slide-background.title-and-body {
  background: linear-gradient(to right, #0000 45%, #fff 45%),
    linear-gradient(165deg, #0000 59.5%, #444d56 59.5% 60.5%, #0000 60.5%),
    linear-gradient(to right, var(--r-background-color) 45%, #fff 45%);
}

.slide-background.one-column-text {
  background: linear-gradient(to right, var(--r-background-color) 42.5%, #fff 42.5%);;
}

.slide-background.main-point {
  background: #444d56;
}

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

.reveal .slides {
  text-align: left;
}

.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);
  grid-column-start: 2;
  grid-column-end: -1;
  grid-row-start: 1;
  grid-row-end: 3;
  align-self: center;
  justify-self: start;
}

.reveal h2 {
  font-size: var(--r-heading2-size);
  color: #fff;
  grid-column: 1 / 9;
  grid-row: 1 / 3;
  align-self: start;
  justify-self: start;
}

.one-column-text h2 {
  grid-column: 1 / 8;
}

.main-point h2 {
  align-self: center;
}

.pdf-page h2 {
  grid-column-start: 2;
}

.pdf-page pre {
  margin-right: 8px !important;
}

.pdf-page .main-point h2 {
  grid-column-start: 2 !important;
}

.reveal .left {
  color: #fff;
  grid-column: 1 / 9;
  grid-row: 3 / -1;
  align-self: center;
  justify-self: start;
}

.pdf-page .left {
  grid-column-start: 2;
  grid-row-start: 4;
}

.pdf-page .left img {
  margin: 0;
}

.reveal .slides>section.main-point h2, .reveal .pdf-page>section.main-point h2, .reveal .slides>section.main-point>section h2 {
  grid-row: 2 / 6;
  grid-column: 1 / 15;
}

.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 .slides>section, .reveal .slides>section>section {
  display: grid !important;
  grid-template-columns: repeat(20, 1fr);
  grid-template-rows: repeat(6, 1fr);
  height: 100%;
}

html.print-pdf .reveal .slides section {
  display: grid !important;
  grid-template-columns: repeat(20, 1fr);
  grid-template-rows: repeat(6, 1fr);
  height: 100%;
  left: unset !important;
  top: unset !important;
}

.reveal .slides>section .body, .reveal .pdf-page>section .body, .reveal .slides>section>section .body {
  grid-column: 11 / -1;
  grid-row: 1 / -1;
}

.reveal .slides>section.one-column-text .body, .reveal .pdf-page>section.one-column-text .body, .reveal .slides>section.one-column-text>section .body {
  grid-column-end: 8;
  grid-row: 3 / -1;
  color: #fff;
}

.reveal .slides>section.one-column-text .body, .reveal .slides>section.one-column-text>section .body {
  grid-column-start: 1;
}

.reveal .pdf-page>section.one-column-text .body {
  grid-column-start: 2;
}

.reveal .slides>section.one-column-text .column-2, .reveal .pdf-page>section.one-column-text .column-2, .reveal .slides>section.one-column-text>section .column-2 {
  grid-column: 10 / -1;
  grid-row: 1 / -1;
}

.subtitle {
  grid-column: 2 / 9;
  grid-row: 3 / 4;
  align-self: start;
  justify-self: start;
}

.reveal p {
  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: circle;
}

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

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

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

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

.reveal ul ul,
.reveal ul ol,
.reveal ol ol,
.reveal ol ul {
  display: block;
  margin-left: 40px;
  font-size: calc(11/13 * var(--r-main-font-size));
}

.reveal dt {
  font-weight: bold;
}

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

.reveal blockquote {
  display: block;
  position: relative;
  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;
  margin: var(--r-block-margin) auto;
  text-align: left;
  font-size: var(--r-main-font-size);
  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-size: var(--r-main-font-size);
  font-family: var(--r-code-font);
  text-transform: none;
  tab-size: 2;
}

.reveal pre code {
  display: block;
  padding: 5px;
  max-height: 400px;
  word-wrap: normal;
  background: var(--r-background-color);
}

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

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

.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;
}

.reveal figure {
  margin: 0;
}

/*********************************************
 * LINKS
 *********************************************/
.reveal a {
  color: var(--r-link-color);
  text-decoration: underline;
  transition: color 0.15s ease;
}

.reveal a.on-light-background {
  color: var(--r-link-color-dark);
}

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

.reveal a:hover.on-light-background {
  color: var(--r-link-color-hover-dark);
}

.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);
  }
}