/* Self-link styles */
.heading {
  position: relative;
}
a.self-link {
  position: absolute;
  top: 0;
  left: -2.5em;
  width: 2em;
  height: 2em;
  text-align: center;
  border: none;
  transition: opacity .2s;
  opacity: .5;
}
a.self-link:hover {
  opacity: 1;
  text-decoration: none;
}
.heading > a.self-link {
  font-size: 83%;
  color: inherit;
}
li > a.self-link {
  left: -3.5em;
}
dfn > a.self-link {
  top: auto;
  left: auto;
  opacity: 0;
  width: 1.5em;
  height: 1.5em;
  background: gray;
  color: white;
  font-style: normal;
  transition: opacity .2s, background-color .2s, color .2s;
}
dfn:hover > a.self-link {
  opacity: 1;
}
dfn > a.self-link:hover {
  color: black;
  background-color: #B1C99D;
}
a.self-link::before {
  content: "¶";
}
.heading > a.self-link::before {
  content: "§";
}
dfn > a.self-link::before {
  content: "#";
}

/* Hide editor visually, but leave it for scraping tools */
.head .editor {
  display: none;
}

/* Floating-but-collapsible annoying warning for snapshots */
details.annoying-warning {
  background-color: #920800;
  background-image: linear-gradient(transparent 40%, rgba(255, 255, 255, 0.2));
  border: solid rgba(0, 0, 0, 0.4);
  border-radius: 3px;
  border-width: 1px 1px 0 1px;
  box-shadow: 0 0 0.5em rgba(0, 0, 0, 0.5);
  color: rgba(255, 255, 255, 0.95);
  padding: 10px 0;
  opacity: .95;
  position: fixed;
  left: 5%;
  margin: 0 auto;
  right: 5%;
  z-index: 99;
}

details.annoying-warning[open] {
  bottom: 50%;
  max-width: 1024px;
  outline: solid 10000px rgba(255, 255, 255, 0.6);
}

details.annoying-warning:not([open]) {
  bottom: 0;
  left: 0;
  right: 0;
  border-radius: 0;
}

details.annoying-warning > summary {
  display: block; /* polyfill */
  font-size: 0.875em;
  font-weight: bold;
  letter-spacing: 0.02em;
  margin-bottom: 0px;
  text-align: center;
  text-transform: uppercase;
  text-shadow: 0px 1px 2px rgba(0, 0, 0, 0.85);
  cursor: default;
}

details.annoying-warning p {
  padding: 0.25em 7.5%;
  line-height: 1.4;
  margin-top: 0.25em;
  text-shadow: 0px 1px 1px rgba(0, 0, 0, 0.85);
}

details.annoying-warning a {
  color: white;
  text-decoration: underline;
}