/* One Good Tutorial reveal.js theme, derived from "white" by Hakim El Hattab, http://hakim.se */

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;
}

:root {
  --r-background-color: #fff;
  --r-main-font: "Noto Sans", sans-serif;
  --r-main-font-size: 36px;
  --r-main-color: #222;
  --r-block-margin: 20px;
  --r-heading-margin: 0 0 20px 0;
  --r-heading-font: "Noto Sans", sans-serif;
  --r-heading-color: #222;
  --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: 600;
  --r-heading1-text-shadow: none;
  --r-heading1-size: 2.5em;
  --r-heading2-size: 1.6em;
  --r-heading3-size: 1.3em;
  --r-heading4-size: 1em;
  --r-code-font: monospace;
  --r-link-color: #2a76dd;
  --r-link-color-dark: #1a53a1;
  --r-link-color-hover: #6ca0e8;
  --r-selection-background-color: #98bdef;
  --r-selection-color: #fff;
  --r-overlay-element-bg-color: 0, 0, 0;
  --r-overlay-element-fg-color: 240, 240, 240;
}

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

.reveal {
  width: 100%; /* 40 rem */
  height: 30rem;
  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 {
  text-align: left;
}

.reveal .slides section,
.reveal .slides section>section {
  height: 30rem;
  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);
  margin-top: 2rem;
  text-align: center;
}

.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);
}

/* Layout helpers */

.reveal .fr {
  float: right;
}

.reveal .fl {
  float: left;
}

.reveal .w10 {
  width: 10%;
}

.reveal .w20 {
  width: 20%;
}

.reveal .w30 {
  width: 30%;
}

.reveal .w40 {
  width: 40%;
}

.reveal .w50 {
  width: 50%;
}

.reveal .w60 {
  width: 60%;
}

.reveal .w70 {
  width: 70%;
}

.reveal .w80 {
  width: 80%;
}

.reveal .w90 {
  width: 90%;
}

.reveal .w100 {
  width: 100%;
}

.reveal .mt0 {
  margin-top: 0;
}

.reveal .mt4 {
  margin-top: 4rem;
}

.reveal .mb0 {
  margin-bottom: 0
}

.reveal .ml1 {
  margin-left: 1rem;
}

.reveal .mr1 {
  margin-right: 1rem;
}

.reveal .ctr {
  margin-left: auto;
  margin-right: auto;
}

/* Typography */

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

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

.reveal em {
  font-style: italic;
}

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

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

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

.reveal .tr {
  text-align: right;
}

.reveal .tctr {
  text-align: center;
}

.reveal .tsmall {
  font-size: 0.8em;
}

.reveal .ttiny {
  font-size: 0.6em;
}

/* 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%;
}

/* Lists */

.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;
}

/* Blockquotes */

.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;
}

/* Code */

.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;
}

/* Tables */

.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;
}

/* Images */

.reveal img {
  display: 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);
}

/* Nav 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 medium */

@media print {
  .backgrounds {
    background-color: var(--r-background-color);
  }
}