html {
  line-height: 1.5;
}

ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

body {
  color: white;
  background-color: rgb(0, 0, 0);
  font-family: -apple-system, BlinkMacSystemFont, Segoe UI, Helvetica, Arial,
    sans-serif, Apple Color Emoji, Segoe UI Emoji, Segoe UI Symbol;

  max-width: 42rem;
  margin-left: auto;
  margin-right: auto;

  padding-left: 0.5rem;
  padding-right: 0.5rem;
}

a {
  color: inherit;
  text-decoration: underline;
}

.italic {
  font-style: italic;
}

header > div {
  letter-spacing: 0.025em;
  font-weight: 700;
  width: 11rem;
  height: 3rem;
  margin-top: 3rem;
  margin-bottom: 3rem;
  margin-left: auto;
  margin-right: auto;
}

header > div > a {
  height: 3rem;
  display: block;
  text-decoration: none;
}

header > div > a > span {
  font-size: 0.875rem;
  line-height: 1.25rem;
  justify-content: center;
  align-items: center;
  width: 11rem;
  height: 3.5rem;
  display: flex;
}

header > div > a > div:nth-of-type(1) {
  opacity: 0.4;
  box-sizing: border-box;
  border-style: solid;
  border-color: #fffff5ab;
  border-width: 2px;
  width: 11rem;
  height: 3.5rem;
  left: -0.5rem;
  top: -4rem;
  position: relative;
}

header > div > a > div:nth-of-type(2) {
  box-sizing: border-box;
  border-style: solid;
  border-color: #fffff5ab;
  border-width: 2px;
  width: 11rem;
  height: 3.5rem;
  left: 0.5rem;
  top: -7rem;
  position: relative;
}

footer {
  display: flex;
  justify-content: space-between;
  flex-direction: column;
  align-items: center;
  margin-top: 0.5rem;
}

footer .social-icon {
  width: 1.5rem;
  height: 1.5rem;
}

footer > div > a {
  text-decoration: none;
}

footer > aside {
  font-style: italic;
  margin-top: 0.25rem;
}

.page-list > li {
  display: flex;
  margin-bottom: 0.5rem;
  flex-direction: column;
}

@media (min-width: 768px) {
  .page-list > li {
    justify-content: space-between;
    flex-direction: row;
  }
}

.page-list > li > a {
  text-decoration: underline;
}

article {
  max-width: none;
  font-size: 1rem;
  line-height: 1.75;
}

article h1 {
  font-weight: 800;
  font-size: 2.25em;
  margin-top: 0;
  margin-bottom: 0.8888889em;
  line-height: 1.1111111;
}

article ul {
  list-style-type: disc;
  padding-left: 1.625em;
}

article ul li {
  padding-left: 0.375em;
  margin-top: 0.5em;
  margin-bottom: 0.5em;
}

article pre {
  overflow-x: auto;
  font-weight: 400;
  font-size: 0.875em;
  line-height: 1.7142857;
  margin-top: 1.7142857em;
  margin-bottom: 1.7142857em;
  border-radius: 0.375rem;
  padding-top: 0.8571429em;
  padding-right: 1.1428571em;
  padding-bottom: 0.8571429em;
  padding-left: 1.1428571em;
}

article code {
  color: white;
  font-weight: 600;
  font-size: 0.875em;
}

article code::before,
article code::after {
  content: "`";
}