node/spec/specification.css

/* WHATWG Green: sRGB #3c790a, rgb(60, 121, 10) */

html { margin: 0; padding: 0; color: black; background: #eeeeee; }
body { margin: 0 0 30%; padding: 0 1em 2em 8.5em; line-height: 1.35; color: black; background: white top left repeat-y; border-bottom: thin solid #3c790a; }

:link { color: #00C; background: transparent }
:visited { color: #609; background: transparent }
:link:active, :visited:active { color: #C00; background: transparent }
:link:hover, :visited:hover { background: #ffa; }
code :link, code :visited { color: inherit; }

body, th, td { font-family: sans-serif; }

h1, h2, h3, h4, h5, h6 { text-align: left }
h1, h2, h3 { color: #3c790a; background: transparent; }
h1 { font: 900 170% sans-serif }
h2 { font: 800 140% sans-serif }
h3 { font: 800 125% sans-serif }
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h5 { font: 800 100% sans-serif }
h6 { font: 600 italic 100% sans-serif }

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h3 { margin: 2.5em 0 1em 0; }
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p { margin: 1em 0; }
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dt { margin-top: 0.75em; margin-bottom: 0.25em; clear: left; }
dt + dt { margin-top: 0; }
dd dt { margin-top: 0.25em; margin-bottom: 0; }
dd p { margin-top: 0; }
dd dl + p { margin-top: 1em; }
dd table + p { margin-top: 1em; }
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dt dfn { font-style: italic; }
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pre strong { color: black; font: inherit; font-weight: bold; background: yellow; }
pre em { font-weight: bolder; font-style: normal; }
@media screen { code { color: orangered; } }
var sub { vertical-align: bottom; font-size: smaller; position: relative; top: 0.1em; }
table { border-collapse: collapse; border-style: hidden hidden none hidden; }
table thead { border-bottom: solid; }
table tbody th:first-child { border-left: solid; }
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/* classes and other specifics */

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img.extra { float: right; }
hr.bookmark { border: dashed 2em black; background: yellow; }
pre.idl { border: solid thin; background: #EEEEEE; color: black; padding: 0.5em 1em; }
pre.idl :link, pre.idl :visited { color: inherit; background: transparent; }
pre.css { border: solid thin; background: #FFFFEE; color: black; padding: 0.5em 1em; }
pre.css:first-line { color: #AAAA50; }
dl.domintro { color: green; margin: 2em 0 2em 2em; padding: 0.5em 1em; border: none; background: #EEFFEE; }
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dl.domintro dt, dl.domintro dt * { color: black; text-decoration: none; }
dl.domintro dd { margin: 0.5em 0 1em 2em; padding: 0; }
dl.domintro dd p { margin: 0.5em 0; }
dl.switch { padding-left: 2em; }
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.diff-chg, .diff-new { text-decoration: underline; color: green; background: transparent; }
a .diff-new { border-bottom: 1px blue solid; }

h2 { page-break-before: always; }
h1 + h2, hr + h2.no-toc { page-break-before: auto; }

div.head { margin: 0 0 1em; padding: 1em 0 0 0; }
div.head p { margin: 0; }
div.head h1 { margin: 0; }
div.head .logo { float: right; margin: 0 1em; }
div.head .logo img { border: none } /* remove border from top image */
div.head dl { margin: 1em 0; }
p.copyright { font-size: x-small; font-style: oblique; margin: 0; }

body > .toc > li { margin-top: 1em; margin-bottom: 1em; }
body > .toc.brief > li { margin-top: 0.35em; margin-bottom: 0.35em; }
body > .toc > li > * { margin-bottom: 0.5em; }
body > .toc > li > * > li > * { margin-bottom: 0.25em; }
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[title=SCS] { background: green; color: white; padding: 0.1em 0.3em; border-style: none dashed; margin: 0 0.7em 0 0.2em; }
[title=WIP] :link, [title=WIP] :visited,
[title=TBW] :link, [title=TBW] :visited,
[title=SCS] :link, [title=SCS] :visited { background: transparent; color: inherit; }

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p.note:before { content: 'Note: '; }
p.warning:before { content: '\26A0 Warning! '; }

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.applies td { text-align: center; }
.applies .yes { background: yellow; }

.bookkeeping:before { display: block; content: 'Bookkeeping details'; font-weight: bolder; font-style: italic; }
.bookkeeping { font-size: 0.8em; margin: 2em 0; }
.bookkeeping p { margin: 0.5em 2em; display: list-item; list-style: square; }

.critical { margin: 1em; border: double thick red; padding: 1em; background: #FFFFCC; }
.critical > :first-child { margin-top: 0; }

h4 { position: relative; z-index: 3; }
h4 + .element, h4 + div + .element { margin-top: -2.5em; padding-top: 2em; }
.element { background: #EEFFEE; color: black; margin: 0 0 1em 0.15em; padding: 0 1em 0.25em 0.75em; border-left: solid #99FF99 0.25em; position: relative; z-index: 1; }
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.example {
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}

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  -moz-column-width: 25em;
  -moz-column-gap: 1em;
  -webkit-column-width: 25em;
  -webkit-column-gap: 1em;
}

.hide { display: none }

body.dfnEnabled dfn { cursor: pointer; }
.dfnPanel {
  display: inline;
  position: absolute;
  height: auto;
  width: auto;
  padding: 0.5em 0.75em;
  font: small sans-serif;
  background: #DDDDDD;
  color: black;
  border: outset 0.2em;
}
.dfnPanel * { margin: 0; padding: 0; font: inherit; text-indent: 0; }
.dfnPanel :link, .dfnPanel :visited { color: black; }
.dfnPanel p { font-weight: bolder; }
.dfnPanel * + p { margin-top: 0.25em; }
.dfnPanel li { list-style-position: inside; }

@media aural {  
  h1, h2, h3 { stress: 20; richness: 90 }
  .hide { speak: none }
  p.copyright { volume: x-soft; speech-rate: x-fast }
  dt { pause-before: 20% }
  code, pre { speak-punctuation: code } 
}

@media screen {
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  body.cfc { background-image: url(http://whatwg.org/images/CFC); }
  body.cfi { background-image: url(http://whatwg.org/images/CFI); }
  body.spec { background-image: url(http://whatwg.org/images/REC); }
}

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      content: counter(page);
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      vertical-align: top;
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  }
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  a[href^="#"]::after { content: " (page " target-counter(attr(href), page) ")"; }
  pre a[href^="#"]::after, blockquote a[href^="#"]::after, var a[href^="#"]::after,
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  table { font-size: smaller; }
  :link, :visited { text-decoration: none; color: inherit; background: transparent; }
}