inst/reveal.js-4.1.2/plugin/menu/menu.css

.slide-menu-wrapper {
  font-family: 'Source Sans Pro', Helvetica, sans-serif;
}

.slide-menu-wrapper .slide-menu {
  background-color: #333;
  z-index: 200;
  position: fixed;
  top: 0;
  width: 300px;
  height: 100%;
  /*overflow-y: scroll;*/
  transition: transform 0.3s;
  font-size: 16px;
  font-weight: normal;
}

.slide-menu-wrapper .slide-menu.slide-menu--wide {
  width: 500px;
}

.slide-menu-wrapper .slide-menu.slide-menu--third {
  width: 33%;
}

.slide-menu-wrapper .slide-menu.slide-menu--half {
  width: 50%;
}

.slide-menu-wrapper .slide-menu.slide-menu--full {
  width: 95%;
}

/*
 * Slides menu
 */

.slide-menu-wrapper .slide-menu-items {
  margin: 0;
  padding: 0;
  width: 100%;
  border-bottom: solid 1px #555;
}

.slide-menu-wrapper .slide-menu-item,
.slide-menu-wrapper .slide-menu-item-vertical {
  display: block;
  text-align: left;
  padding: 10px 18px;
  color: #aaa;
  cursor: pointer;
}

.slide-menu-wrapper .slide-menu-item-vertical {
  padding-left: 30px;
}

.slide-menu-wrapper .slide-menu--wide .slide-menu-item-vertical,
.slide-menu-wrapper .slide-menu--third .slide-menu-item-vertical,
.slide-menu-wrapper .slide-menu--half .slide-menu-item-vertical,
.slide-menu-wrapper .slide-menu--full .slide-menu-item-vertical,
.slide-menu-wrapper .slide-menu--custom .slide-menu-item-vertical {
  padding-left: 50px;
}

.slide-menu-wrapper .slide-menu-item {
  border-top: solid 1px #555;
}

.slide-menu-wrapper .active-menu-panel li.selected {
  background-color: #222;
  color: white;
}

.slide-menu-wrapper .active-menu-panel li.active {
  color: #eee;
}

.slide-menu-wrapper .slide-menu-item.no-title .slide-menu-item-title,
.slide-menu-wrapper .slide-menu-item-vertical.no-title .slide-menu-item-title {
  font-style: italic;
}

.slide-menu-wrapper .slide-menu-item-number {
  color: #999;
  padding-right: 6px;
}

.slide-menu-wrapper .slide-menu-item i.far,
.slide-menu-wrapper .slide-menu-item i.fas,
.slide-menu-wrapper .slide-menu-item-vertical i.far,
.slide-menu-wrapper .slide-menu-item-vertical i.fas,
.slide-menu-wrapper .slide-menu-item svg.svg-inline--fa,
.slide-menu-wrapper .slide-menu-item-vertical svg.svg-inline--fa {
  padding-right: 12px;
  display: none;
}

.slide-menu-wrapper .slide-menu-item.past i.fas.past,
.slide-menu-wrapper .slide-menu-item-vertical.past i.fas.past,
.slide-menu-wrapper .slide-menu-item.active i.fas.active,
.slide-menu-wrapper .slide-menu-item-vertical.active i.fas.active,
.slide-menu-wrapper .slide-menu-item.future i.far.future,
.slide-menu-wrapper .slide-menu-item-vertical.future i.far.future,
.slide-menu-wrapper .slide-menu-item.past svg.svg-inline--fa.past,
.slide-menu-wrapper .slide-menu-item-vertical.past svg.svg-inline--fa.past,
.slide-menu-wrapper .slide-menu-item.active svg.svg-inline--fa.active,
.slide-menu-wrapper .slide-menu-item-vertical.active svg.svg-inline--fa.active,
.slide-menu-wrapper .slide-menu-item.future svg.svg-inline--fa.future,
.slide-menu-wrapper .slide-menu-item-vertical.future svg.svg-inline--fa.future {
  display: inline-block;
}

.slide-menu-wrapper .slide-menu-item.past i.fas.past,
.slide-menu-wrapper .slide-menu-item-vertical.past i.fas.past,
.slide-menu-wrapper .slide-menu-item.future i.far.future,
.slide-menu-wrapper .slide-menu-item-vertical.future i.far.future,
.slide-menu-wrapper .slide-menu-item.past svg.svg-inline--fa.past,
.slide-menu-wrapper .slide-menu-item-vertical.past svg.svg-inline--fa.past,
.slide-menu-wrapper .slide-menu-item.future svg.svg-inline--fa.future,
.slide-menu-wrapper .slide-menu-item-vertical.future svg.svg-inline--fa.future {
  opacity: 0.4;
}

.slide-menu-wrapper .slide-menu-item.active i.fas.active,
.slide-menu-wrapper .slide-menu-item-vertical.active i.fas.active,
.slide-menu-wrapper .slide-menu-item.active svg.svg-inline--fa.active,
.slide-menu-wrapper .slide-menu-item-vertical.active svg.svg-inline--fa.active {
  opacity: 0.8;
}

.slide-menu-wrapper .slide-menu--left {
  left: 0;
  -webkit-transform: translateX(-100%);
  -ms-transform: translateX(-100%);
  transform: translateX(-100%);
}

.slide-menu-wrapper .slide-menu--left.active {
  -webkit-transform: translateX(0);
  -ms-transform: translateX(0);
  transform: translateX(0);
}

.slide-menu-wrapper .slide-menu--right {
  right: 0;
  -webkit-transform: translateX(100%);
  -ms-transform: translateX(100%);
  transform: translateX(100%);
}

.slide-menu-wrapper .slide-menu--right.active {
  -webkit-transform: translateX(0);
  -ms-transform: translateX(0);
  transform: translateX(0);
}

.slide-menu-wrapper {
  transition: transform 0.3s;
}

/*
 * Toolbar
 */
.slide-menu-wrapper .slide-menu-toolbar {
  height: 60px;
  width: 100%;
  font-size: 12px;
  display: table;
  table-layout: fixed; /* ensures equal width */
  margin: 0;
  padding: 0;
  border-bottom: solid 2px #666;
}

.slide-menu-wrapper .slide-menu-toolbar > li {
  display: table-cell;
  line-height: 150%;
  text-align: center;
  vertical-align: middle;
  cursor: pointer;
  color: #aaa;
  border-radius: 3px;
}

.slide-menu-wrapper .slide-menu-toolbar > li.toolbar-panel-button i,
.slide-menu-wrapper
  .slide-menu-toolbar
  > li.toolbar-panel-button
  svg.svg-inline--fa {
  font-size: 1.7em;
}

.slide-menu-wrapper .slide-menu-toolbar > li.active-toolbar-button {
  color: white;
  text-shadow: 0 1px black;
  text-decoration: underline;
}

.slide-menu-toolbar > li.toolbar-panel-button:hover {
  color: white;
}

.slide-menu-toolbar
  > li.toolbar-panel-button:hover
  span.slide-menu-toolbar-label,
.slide-menu-wrapper
  .slide-menu-toolbar
  > li.active-toolbar-button
  span.slide-menu-toolbar-label {
  visibility: visible;
}

/*
 * Panels
 */
.slide-menu-wrapper .slide-menu-panel {
  position: absolute;
  width: 100%;
  visibility: hidden;
  height: calc(100% - 60px);
  overflow-x: hidden;
  overflow-y: auto;
  color: #aaa;
}

.slide-menu-wrapper .slide-menu-panel.active-menu-panel {
  visibility: visible;
}

.slide-menu-wrapper .slide-menu-panel h1,
.slide-menu-wrapper .slide-menu-panel h2,
.slide-menu-wrapper .slide-menu-panel h3,
.slide-menu-wrapper .slide-menu-panel h4,
.slide-menu-wrapper .slide-menu-panel h5,
.slide-menu-wrapper .slide-menu-panel h6 {
  margin: 20px 0 10px 0;
  color: #fff;
  line-height: 1.2;
  letter-spacing: normal;
  text-shadow: none;
}

.slide-menu-wrapper .slide-menu-panel h1 {
  font-size: 1.6em;
}
.slide-menu-wrapper .slide-menu-panel h2 {
  font-size: 1.4em;
}
.slide-menu-wrapper .slide-menu-panel h3 {
  font-size: 1.3em;
}
.slide-menu-wrapper .slide-menu-panel h4 {
  font-size: 1.1em;
}
.slide-menu-wrapper .slide-menu-panel h5 {
  font-size: 1em;
}
.slide-menu-wrapper .slide-menu-panel h6 {
  font-size: 0.9em;
}

.slide-menu-wrapper .slide-menu-panel p {
  margin: 10px 0 5px 0;
}

.slide-menu-wrapper .slide-menu-panel a {
  color: #ccc;
  text-decoration: underline;
}

.slide-menu-wrapper .slide-menu-panel a:hover {
  color: white;
}

.slide-menu-wrapper .slide-menu-item a {
  text-decoration: none;
}

.slide-menu-wrapper .slide-menu-custom-panel {
  width: calc(100% - 20px);
  padding-left: 10px;
  padding-right: 10px;
}

.slide-menu-wrapper .slide-menu-custom-panel .slide-menu-items {
  width: calc(100% + 20px);
  margin-left: -10px;
  margin-right: 10px;
}

/*
 * Theme and Transitions buttons
 */

.slide-menu-wrapper div[data-panel='Themes'] li,
.slide-menu-wrapper div[data-panel='Transitions'] li {
  display: block;
  text-align: left;
  cursor: pointer;
  color: #848484;
}

/*
 * Menu controls
 */
.reveal .slide-menu-button {
  position: fixed;
  left: 30px;
  bottom: 30px;
  z-index: 30;
  font-size: 24px;
}

/*
 * Menu overlay
 */

.slide-menu-wrapper .slide-menu-overlay {
  position: fixed;
  z-index: 199;
  top: 0;
  left: 0;
  overflow: hidden;
  width: 0;
  height: 0;
  background-color: #000;
  opacity: 0;
  transition: opacity 0.3s, width 0s 0.3s, height 0s 0.3s;
}

.slide-menu-wrapper .slide-menu-overlay.active {
  width: 100%;
  height: 100%;
  opacity: 0.7;
  transition: opacity 0.3s;
}

/*
 * Hide menu for pdf printing
 */
body.print-pdf .slide-menu-wrapper .slide-menu,
body.print-pdf .reveal .slide-menu-button,
body.print-pdf .slide-menu-wrapper .slide-menu-overlay {
  display: none;
}