local.css

.rfc2119-zh {
  font-style: normal;
  text-emphasis: dot;
  -webkit-text-emphasis: dot;
  text-emphasis-position: under right;
  -webkit-text-emphasis-position: under right;
}

td, th {
  padding: 2px 15px;
}

/* From https://github.com/w3c/clreq/blob/gh-pages/local.css */

[lang="zh-hans"] {
  font-family: "PingFang SC", "Noto Sans CJK SC", "Heiti SC", "DengXian",
    "Microsoft YaHei", Helvetica, Segoe UI, Arial, sans-serif;
}

h2 {
  margin-top: 3em;
  margin-bottom: 0em;
}

.head h2,
#abstract h2,
#sotd h2 {
  margin-top: 0;
}

h3 {
  margin-top: 3em;
}

h4 {
  margin-top: 2em;
  font-size: 100%;
  font-weight: normal;
  color: #005a9c;
}

h5 {
  font-style: inherit !important;
}

.leadin {
  font-weight: bold;
}

ins {
  background-color: #99ff99;
  text-decoration: none;
}

del {
  display: inline;
  color: silver;
}

figure {
  margin-bottom: 2em;
  text-align: center;
  vertical-align: top;
}

figure img {
  vertical-align: middle;
}

figcaption {
  text-align: center;
  margin: 0.5em 2em;
  font-style: italic;
  font-size: 90%;
}

.figno:after {
  content: ":\00A0  ";
}

code,
samp,
kbd {
  font-family: Consolas, "Andale Mono", "Lucida Console",
    "Lucida Sans Typewriter", Monaco, "Courier New", monospace;
  font-size: 100%;
}

code {
  color: #a52a2a;
}

.uname {
  text-transform: uppercase;
  font-size: 85%;
  letter-spacing: 0.03em;
}

#langSwitch {
  position: fixed;
  top: -14px;
  z-index: 10000;
  top: 100px;
  right: 10px;
  width: 5em;
  text-align: right;
}
#langSwitch button {
  background: #fff none repeat scroll 0% 0%;
  border: 1px solid #ccc;
  border-radius: 5px;
}
#langSwitch button:lang(zh-hans) {
  /* background-color: #fbc481; */
}

.translateme,
.retranslateme {
  background-color: #f3f3c3;
  background-clip: content-box;
}
.checkme {
  background-color: #bbeffc;
  background-clip: content-box;
}

.checkme::before {
  content: " Check this translation: ";
  color: coral;
}

.translateme::before {
  content: " Translate this: ";
  color: coral;
}

.retranslateme::before {
  content: " (Re)translate this: ";
  color: coral;
}

.is-multilingual [its-locale-filter-list^="zh"] {
  padding-left: 0.4em;
  border-left: 3px solid;
}
.is-multilingual [its-locale-filter-list="zh-hans"] {
  border-color: rgba(248, 138, 5, 0.5);
}

.is-multilingual h2[its-locale-filter-list^="zh"],
.is-multilingual h3[its-locale-filter-list^="zh"],
.is-multilingual h4[its-locale-filter-list^="zh"],
.is-multilingual h5[its-locale-filter-list^="zh"],
.is-multilingual h6[its-locale-filter-list^="zh"],
.is-multilingual p[its-locale-filter-list^="zh"],
.is-multilingual ol[its-locale-filter-list^="zh"],
.is-multilingual ul[its-locale-filter-list^="zh"] {
  margin-left: calc(-0.4em - 2px);
}

.is-multilingual .secno ~ span[its-locale-filter-list^="zh"] {
  display: inline-block;
  margin-left: 0.3em;
  padding-left: 0.3em;
}

.note {
  margin-left: -1em !important;
  padding-left: 1.5em !important;
}

.note h6 {
  margin-top: 1em;
  margin-bottom: 0;
  font-weight: bold;
}