theme.css

*, *:before, *:after {
  margin: 0;
  padding: 0;
}

html, body {
  width: 100%;
  height: 100%;
}

body {
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: inset 0px -10vh 30vh 0px rgba(0,0,0,0.25);
  font-size: 2.5rem;
}

pre code {
  background-color: transparent !important;
}

h1, h2, h3 {
  font-family: serif;
  margin-bottom: .5em;
}

h1 { font-size: 6rem; }
h2 { font-size: 5rem; }
h3 { font-size: 4rem; }

p, strong, em, li {
  font-family: sans-serif;
  text-align: center;
}

small {
  font-size: 1.5rem;
}

li {
  text-align: left;
  line-height: 1.5em;
}

code {
  font-family: monospace;
  white-space: pre;
}

a, a:visited {
  color: black;
}

article {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

article.pros-cons {
  flex-direction: row;
}
article.pros-cons ul {
  max-width: 30%;
  margin: 0 5%;
}

article.highlight {
  text-transform: uppercase;
  color: white;
}
article.highlight h1 {
  background: linear-gradient(135deg, #5f00a8 35%, #ed005f 100%);
  background-color: #5f00a8;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
article.highlight a,
article.highlight a:visited {
  color: white;
  text-decoration: underline;
}

article > * {
  display: block;
  max-width: 960px;
}

article .strike {
  text-decoration: line-through;
}

/* Transitions */
article {
  transition:
    transform 0.6s 0.2s cubic-bezier(0.19, 1, 0.22, 1),
    opacity 0.3s cubic-bezier(0.19, 1, 0.22, 1);

  transform: translateX(100%);
  opacity: 0;
}

article[in] {
  transform: translateX(0);
  opacity: 1;
}

article[out] {
  transform: translateX(-100%);
}

article[in] ~ article[out] {
  transform: translateX(100%);
}