styles.css

body {
  margin: 1em auto;
  max-width: 40em;
  padding: 0 0.62em;
  font: 1.4em/1.4 'Fira Sans', Helvetica, Arial, sans-serif;
}

h1, h2, h3 {
  background-image: linear-gradient(to right, rgba(131, 48, 255, 1) 0%, rgba(131, 198, 255, 1) 100%);
  color: white;
  line-height: 1;
  padding-top: 2rem;
  padding-left: 2rem;
  padding-right: 2rem;
  margin-left: -2rem;
  margin-bottom: -0.4rem;
}

ul {
  list-style: none;
  margin-left: -2rem;
  padding-left: 3rem;
  text-indent: -3rem;
  columns: 2 20em;
}


li {
  page-break-inside: avoid;
  break-inside: avoid;
  margin-left: 0;
  padding-left: 3.5rem;
  list-style: none;
  transition: all 0.5s ease;
}

li:hover {
  margin-left: 1rem;
  list-style: disclosure-closed;
  transition: all 0.5s ease;
}

a {
  color: black;
  text-decoration: none;
  display: inline;
  background-image: linear-gradient(to right, rgba(131, 48, 255, 0.25) 0%, rgba(131, 198, 255, 0.25) 100%);
  background-position: 0 1.0em;
  background-repeat: repeat-x;
  background-size: 100% 2px;
  text-shadow:
   -1px -1px 0 #fff,
    1px -1px 0 #fff,
   -1px  1px 0 #fff,
    1px  1px 0 #fff;
  transition: all 0.5s ease;
}

a:hover {
  background-position: 0;
  background-image: linear-gradient(to right, rgba(131, 48, 255, .35) 0%, rgba(131, 198, 255, .35) 100%);
  background-size: 100% 100%;
  text-shadow: none;
  transition: all 0.25s ease;
}

.cnum {
  display: inline-block;
  min-width: 4rem;
  padding-right: 0.6rem;
  font-variant: small-caps;
  font-size: 70%;
  text-align: right;
}

.clnum {
  display: inline-block;
  min-width: 2.5rem;
  padding-right: 0.2rem;
  font-variant: small-caps;
  font-size: 70%;
  text-align: right;
}

p {
  margin: 1rem 0;
}

::-moz-selection {
    text-shadow: none;
    background: rgba(45, 61, 61, 1);
    color: #fff;
}
::selection {
    text-shadow: none;
    background: rgba(45, 61, 61, 1);
    color: #fff;
}

@media print {
  body {
    max-width: none
  }
}

@media only screen and (min-width: 1200px) {
    body { max-width: 60em; }
}