.bg {
  pointer-events: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 100px;
  z-index: -1;
  display: flex;
  align-items: center;
  padding: 0 24px;
}
.bg.bottom {
  bottom: 0;
  top: auto;
}
.bg .indicator {
  color: rgba(255, 255, 255, 0.6);
  font-size: 2rem;
}
@media (max-width: 992px) {
  .bg .indicator {
    margin-bottom: -40px;
  }
}
.bg .indicator .curr-page,
.bg .indicator .total-page {
  display: inline-block;
  width: 40px;
  text-align: center;
}
.bg .indicator .seperator {
  display: inline-block;
  margin: 0 -10px;
}
html {
  background: #3e3e3e;
}
.main-container {
  position: relative;
  margin: 64px auto;
  padding: 0;
  height: calc(100vh - 128px);
  overflow: hidden;
  font-size: 1.2rem;
  line-height: 1.8rem;
  text-align: justify;
  font-weight: 400;
}
.main-container p {
  margin-bottom: 0.75rem;
}
.main-container p + p {
  margin-top: 24px;
}
.main-container h1,
.main-container h2,
.main-container h3,
.main-container h4
.main-container h4 {
  font-weight: 300;
}
.main-container h1 img,
.main-container h2 img,
.main-container h3 img,
.main-container h4 img {
  height: 0.8em;
  margin-bottom: -0.05em;
}
.main-container h5 {
  font-weight: 400;
}
.main-container pre {
  overflow-y: hidden;
  white-space: pre-wrap;
  tab-size: 2;
  margin: 8px 0;
}
.main-container ol,
.main-container ol li,
.main-container ul,
.main-container ul li {
  list-style: initial;
  font-size: 17px;
  line-height: 1.6em;
}
.main-container ol,
.main-container ul {
  padding-left: 4rem;
}
.main-container ol,
.main-container ol li {
  list-style-type: decimal;
}
.main-container .slide {
  min-height: 100%;
  margin-bottom: 0px;
}
.main-container .slide:not(:nth-last-child(3)) {
  margin-bottom: 30px;
}
.main-container .slide .heading {
  border-bottom: 2px dotted #ddd;
}
.main-container .margin-top {
  margin-top: 36px;
}
.main-container .margin-bottom {
  margin-bottom: 36px;
}
.fixed-action-btn i {
  font-size: 3em;
}
.up-btn {
  top: 4px;
  bottom: auto;
}
.ps-scrollbar-y-rail {
  display: none !important;
}
.monospace {
  font-family: monospace;
}
p code.hljs {
  display: inline-block;
  padding: 0 8px;
  margin: 0;
  margin-bottom: -7px;
}
thead {
  font-weight: bold;
}
.slide.content-slide {
  padding: 16px 36px 36px 36px;
}
.title-slide {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0;
}
.title-slide .title-banner {
  text-align: center;
  padding: 48px 24px;
  color: #fff;
  transform: rotate(-10deg);
  width: 90%;
}
.subtitle {
  opacity: 0.8;
  font-size: 1.4rem;
}
pre code.html,
pre code.xml {
  border-radius: 3px;
}
pre code.html:before,
pre code.xml:before {
  display: block;
  content: "HTML:";
  padding: 4px 16px;
  margin: -0.5em -0.5em 8px -0.5em;
  background: #545454;
  color: rgba(255, 255, 255, 0.8);
}
pre code.javascript {
  border-radius: 3px;
}
pre code.javascript:before {
  display: block;
  content: "JavaScript:";
  padding: 4px 16px;
  margin: -0.5em -0.5em 8px -0.5em;
  background: #545454;
  color: rgba(255, 255, 255, 0.8);
}
pre code.css {
  border-radius: 3px;
}
pre code.css:before {
  display: block;
  content: "CSS:";
  padding: 4px 16px;
  margin: -0.5em -0.5em 8px -0.5em;
  background: #545454;
  color: rgba(255, 255, 255, 0.8);
}
table.code-table td:last-child {
  font-family: monospace;
  color: #ad0d0d;
}
table.code-table td:first-child {
  font-family: monospace;
}