html {
  font-family: sans-serif;
  color: #080808;
}

body {
  max-width: 920px;
  margin: 0 auto;
  padding: 1rem 2rem;
}

blockquote {
  background-color: #eee;
  border-left: 3px solid #444;
  margin: 1rem -1rem 1rem calc(-1rem - 3px);
  padding: 1rem;
}

ul {
  margin-left: 0;
  padding: 0;
}

li {
  padding: 0;
}

li:not(:last-child) {
  margin-bottom: 0.5rem;
}

a {
  position: relative;
  text-decoration: dotted underline;
}

a:hover {
 text-decoration: solid underline;
}

a:before {
  content: '⇒';
  color: #999;
  text-decoration: none;
  font-weight: bold;
  position: absolute;
  left: -1.25rem;
}

pre {
  background-color: #eee;
  margin: 0 -1rem;
  padding: 1rem;
  overflow-x: auto;
}

details:not([open]) summary,
details:not([open]) summary a {
  color: gray;
}

details summary a:before {
  display: none;
}

dl dt {
  font-weight: bold;
}

dl dt:not(:first-child) {
  margin-top: 0.5rem;
}

@media(prefers-color-scheme:dark) {
  html {
    background-color: #111;
    color: #eee;
  }

  blockquote {
    background-color: #000;
  }

  pre {
    background-color: #222;
  }

  a {
    color: #0087BD;
  }

  a:visited {
    color: #006ebd;
  }
}

label {
  display: block;
  font-weight: bold;
  margin-bottom: 0.5rem;
}

input {
  display: block;
  border: 1px solid #888;
  padding: .375rem;
  line-height: 1.25rem;
  transition: border-color .15s ease-in-out,box-shadow .15s ease-in-out;
  width: 100%;
}

input:focus {
  outline: 0;
  border-color: #80bdff;
  box-shadow: 0 0 0 0.2rem rgba(0,123,255,.25);
}