gecko-dev/layout/doc/layout.css

@namespace xlink url("http://www.w3.org/1999/xlink"); 

Documentation {
  display: block;
  font-family: Verdana, sans-serif;
  font-size: 11pt;
  margin: 8px;
}
Author {
  display: block;
  font-size: 90%;
}
Author:before {
  content: "Author: ";
  font-weight: bold;
}
UpdateDate {
  display: block;
  font-size: 90%;
}
UpdateDate:before {
  content: "Updated: ";
  font-weight: bold;
}
Title {
  display: block;
  font-size: 250%;
  font-weight: bold;
  letter-spacing: -1.25pt;
  margin-top: 0;
  margin-bottom: .5em;
}
SectionHeading {
  display: block;
  font-size: 125%;
  font-weight: bold;
  margin-top: 2em;
  margin-bottom: .5em;
}
Body {
  display: block;
  margin-top: 1em;
  margin-botom: .5em;
}
SectionHeading + Body {  /* body after section heading */
  margin-top: 0;
}
Components {
  display: block;
  margin-top: 1em;
  margin-left: .5in;
  border: dotted 1px black;
}
:link:hover {
  background-color: blue;
  color: white;
  cursor: pointer;
}

/* workaround for above rule not working */
*[xlink|type] {
  cursor: pointer;
}

/* workaround for above rule not working */
*[xlink|show="replace"] {
  cursor: pointer;
}

Term {
  display: block;
  font-weight: bold;
  background-color: lightyellow;
  padding-left: .5em;
}
Definition {
  display: block;
  margin-left: 40px;
}
Interfaces, Characteristics, Items, Categories {
  display: block;
  margin-left: 40px;
  list-style-position: outside;
  list-style-type: disc;
}
Purposes {
  display: block;
  margin-left: 40px;
  list-style-position: outside;
  list-style-type: decimal;
  counter-reset: -html-counter 0;
}
Interface, Characteristic, Purpose, Item, Category {
  display: list-item;
}
RunIn {
  display: inline;
  font-weight: bold;
}
Note {
  width: 2in;
  height: auto;
  float: right;
  font-size: 90%;
  margin-left: 1em;
  margin-right: .5em;
  border-top: solid 2px black;
  border-bottom: solid 1px black;
  padding: .5em 0;
}
Note:before {
  content: "Note";
  font-weight: bold;
  display: inline;
  background-color: black;
  color: white;
  margin-right: .25em;
  padding: .5em .25em 0 .25em;
}