theme.css

/*
 * Forked from the Night theme.
 */

/*
 * Global styles
 */
 :root {
  --color-swit-blue: #243142;
  --color-swit-orange: #fba61a;
  --color-swit-yellow: #f8d02d;
  --color-base-0: #000;
  --color-base-1: #111;
  --color-base-2: #222;
  --color-base-3: #333;
  --color-base-6: #666;
  --color-base-7: #999;
  --color-base-8: #eee;
  --color-base-9: #fff;
  --fs-0: calc(32rem/40);
  --fs-1: 1rem;
  --fs-2: 2rem;
  --fs-3: 3rem;
}

html {
  font-size: 40px;
}

.reveal-viewport {
  --color-accent: var(--color-swit-yellow);
  --color-bg: var(--color-swit-blue);
  --color-text: var(--color-base-9);
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: "Open Sans", sans-serif;
  line-height: 1.2;
}

.reveal-viewport--primary {
  --color-accent: var(--color-swit-blue);
  --color-bg: var(--color-swit-yellow);
  --color-text: var(--color-swit-blue);
}

.reveal ::selection {
  background: var(--color-accent);
  color: var(--color-bg);
}

.reveal .controls,
.reveal .progress {
  color: var(--color-accent);
}

/*
 * Content
 */
.reveal h1,
.reveal h2 {
  font-weight: bold;
  margin: 0 0 0.5rem;
  word-wrap: break-word;
}

.reveal h1 {
  font-size: 2.5rem;
}

.reveal h2 {
  font-size: 2rem;
}

.reveal p {
  margin: 0 0 0.5rem;
}

.reveal iframe,
.reveal img,
.reveal video {
  max-height: 95%;
  max-width: 95%;
}

.reveal ol,
.reveal ul {
  display: inline-block;
  margin: 0 0 0.5rem 1rem;
  text-align: left;
}

.reveal ul ul,
.reveal ul ol,
.reveal ol ol,
.reveal ol ul {
  display: block;
  margin-left: 1rem;
}

.reveal li + li {
  margin-top: 0.5rem;
}

.reveal blockquote {
  border-color: var(--color-accent);
  border-style: solid;
  border-width: 0.1rem 0;
  display: block;
  margin: 1rem auto;
  padding-top: 0.5rem;
  text-align: left;
  width: 80%;
}

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

.reveal em {
  font-style: italic;
}

.reveal q {
  font-style: italic;
}

.reveal strong {
  font-weight: bold;
}

.reveal table {
  border-collapse: collapse;
  border-spacing: 0;
  margin: 0 auto 0.5rem;
}

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

.reveal table th,
.reveal table td {
  border-bottom: 1px solid;
  padding: 0.25rem;
  text-align: left;
}

.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 footer {
  font-size: var(--fs-0);
  margin-top: 1.5rem;
}

.reveal a {
  color: inherit;
  text-decoration-color: var(--color-accent);
}

.reveal figure {
  margin: 1rem auto;
  width: fit-content;
}

.reveal figcaption,
.sr-only {
  border-width: 0;
  clip: rect(0, 0, 0, 0);
  height: 1px;
  margin: -1px;
  overflow: hidden;
  padding: 0;
  position: absolute;
  white-space: nowrap;
  width: 1px;
}

/*
 * Print
 */

@media print {

  .reveal-viewport {
    background-color: var(--color-base-9);
  }
  
  .reveal {
    color: var(--color-base-0);
  }
}

/*
 * Plugins
 */

/* https://github.com/marcysutton/reveal-a11y/issues/7 */
.reveal.overview .slides section > .accessibilityWrapper {
  display: block;
  outline: none;
  visibility: visible;
}