blockquote {
  background-color: whitesmoke;
  color: dimgray;
  padding-left: 2rem;
  font-style: italic;
}

main h2 {
  position: relative;
}

.header-anchor {
  /* Move it left. */
  position: absolute;
  left: -2rem;
  width: 1rem;
  padding-right: 2rem;
  /* Make it clickable. */
  z-index: 999999999;
  /* Hide it. */
  display: none;
}

h1:hover .header-anchor,
h2:hover .header-anchor,
h3:hover .header-anchor,
h4:hover .header-anchor,
h5:hover .header-anchor,
h6:hover .header-anchor {
  display: inline;
}

.left-sidebar nav {
  padding-left: 1rem;
  padding-right: 1rem;
}

main {
  padding-left: 1rem;
  padding-right: 1rem;
}

main h1 {
  text-align: center;
}

main pre {
  border-radius: 10px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3), 0 0px 4px rgba(0, 0, 0, 0.2);
}

main {
  margin-bottom: 3rem;
}

li p {
  margin-bottom: 0;
}

/* Taken from Stack Overflow:
 * https://meta.stackexchange.com/a/1950/204026
 */
kbd {
  border: 1px solid #adb3b9 !important;
  border-radius: 3px;
  background-color: #e1e3e5 !important;
  color: #242729 !important;
  line-height: 1.4;
  margin: 0 0.1rem;
  padding: 0.1rem 0.6rem;
  text-shadow: 0 1px 0 #fff;
  box-shadow: 0 1px 0 rgba(12, 13, 14, 0.2), 0 0 0 2px #fff inset;
}

/* Hide Disqus ads. */
iframe[sandbox] {
  display: none;
}