/* ----- General ----- */
html {
  scroll-padding-top: 2.5em; /* Firefox 68+ */
}

body {
  padding: 0;
  margin: 0;
  font-size: 0.9em;
  font-family: sans-serif;
}

* {
  box-sizing: border-box;
}

img {
  vertical-align: text-bottom;
}

article > dl {
  margin-left: 2em;
}

dt {
  color: #567;
  font-weight: bold;
  background-color: #eee;
  display: inline-block;
  padding: 0.1em 0.5em;
}

dd + dt {
  margin-top: 0.5em;
}

dd > dl {
  margin: 1em auto;
}

dl.about  {
  margin-left: initial;
}

.about dt {
  color: #fff;
  margin-top: 1em;
  display: inline-block;
  background-color: #bcd;
  padding: 0.2em 0.5em;
  position: relative;
  border-radius: 1em;
  min-width: 3em;
  text-align: center;
}

.about dt::before {
  content: '';
  height: 2px;
  width: 20vw;
  position: absolute;
  bottom: 0;
  left: 1em;
  background-color: #bcd;
}

dt img, dd img {
  width: 1.2em;
}

dt span {
  margin-left: 0.5em;
  color: #777;
  font-style: italic;
  font-weight: normal;
  font-size: 0.8em;
}

dd sup, p sup {
  color: #05f;
}

h2 {
  color: #066;
  display: table;
  background: #def linear-gradient(to right, #def, #bcd);
  min-width: 12em;
  padding: 0.2em 0.5em;
  text-align:right;
  border: 3px solid #fff;
  box-shadow: 0px 5px 8px #0003;
  text-shadow: 1px 1px 1px #fff9;
  border-radius: 0 1em 1em 0;
  position: relative;
  margin-top: 2em;
}

h2::before {
  content: '';
  background-image: url('../image/icon.svg');
  background-position: center, center;
  background-repeat: no-repeat, no-repeat;
  background-size: contain, contain;
  display: inline-block;
  width: 1.5em;
  height: 1.5em;
  position: absolute;
  left: 1em;
  top: -0.7em;
}

h2::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  border-width: calc(1em - 3px);
  border-style: solid;
  border-color: transparent transparent transparent #fff;
}


h2 img, h3 img, h4 img {
  width: 1em;
}

article > h3 {
  font-size: 1.2em;
  color: #333;
  margin-bottom: 0;
  padding: 0.5em;
  border-left: 4px solid #777;
  background: #eee;
  display: table;
  border-radius: 4px;
}

h4 {
  margin-bottom: 0;
}

h3 span, h4 span {
  margin-left: 0.5em;
  color: #777;
  font-style: italic;
  font-weight: normal;
  font-size: 0.8em;
}

article > p {
  margin: 0.2em auto 0.2em 2em;
}

article {
  padding: 0.5em;
}

article ul {
  margin-top: 0.5em;
}

article li {
  margin-left: 1em;
}

article li::marker { /* FF 68+ */
  color: #aaa;
}

article li img {
  width: 1em;
}

a {
  color: #08f;
  text-decoration: none;
}

a[href^="http"]::after {
  content: '\1f517';
  margin-left: 0.3em;
  font-size: 0.7em;
}

a[href^="https://bugzilla.mozilla.org/show_bug.cgi?id="]::before {
  content: '\1f41e';
  margin-right: 0.3em;
}

a[href^="https://github.com/"]::before,
a[href^="https://addons.mozilla.org/"]::before,
a[href^="https://blog.mozilla.org/"]::before,
a[href^="https://developer.mozilla.org/"]::before,
a[href^="https://support.mozilla.org/"]::before,
a[href^="https://www.mozilla.org/"]::before {
  content: '';
  background: url('../image/dino.svg') no-repeat center / contain;
  display: inline-block;
  height: 1.1em;
  width: 1.1em;
  margin-right: 0.3em;
  vertical-align: text-bottom;
}

a[href^="https://blog.mozilla.org/"]::before {
  background-image: url('../image/moz.svg');
  border-radius: 1em;
}

a[href^="https://github.com/"]::before {
  background-image: url('../image/github.svg');
}

/* ----- Navigation ----- */
nav  {
  background-color: #fff;
  position: sticky;
  top: 0;
  z-index: 1;
  box-shadow: 0px 3px 6px #0003;
}

nav div {
  display: inline-block;
}

nav > a, nav div {
  position: relative;
  display: inline-block;
  border-top: 3px solid transparent;
  border-bottom: 3px solid transparent;
  transition: all 0.5s ease-in-out;
}

nav > a:hover, nav div:hover {
  border-top-color: #f84;
}

nav a {
  color: #066;
  display: inline-block;
  padding: 0.3em 0.5em;
  text-align: center;
  min-width: 5em;
}

nav div ul {
  position: absolute;
  left: 0;
  top: 1em;
  display: none;
  background-color: #f5f5f5;
  box-shadow: 0px 8px 16px 0px #0003;
  list-style: none;
  padding: 0;
  border-radius: 5px;
}

nav div:hover > ul {
  display: block;
  animation: fade 0.5s ease-in-out;
}

nav ul::after {
  content: '';
  position: absolute;
  top: -1.8em;
  left: 0.5em;
  border-width: 1em;
  border-style: solid;
  border-color: transparent transparent #f5f5f5 transparent;
}

nav li {
  padding: 0.2em 0.5em;
  white-space: nowrap;
  position: relative;
}

nav li.arrow::after {
  content: '\203a';
  position: absolute;
  right: 0.5em;
  top: 0;
  font-size: 1.5em;
  color: #066;
  opacity: 0.5;
  font-weight: bold;
}

nav li:hover {
  background-color: #fff;
}

nav li a {
  border: 0;
  display: block;
  text-align: left;
}

nav li ul {
  left: 10em;
  top: 0.5em;
  z-index: 2;
}

nav li ul::after {
  content: '';
  top: 0;
  left: -1.8em;
  border-width: 1em;
  border-style: solid;
  border-color: transparent #f5f5f5 transparent transparent;
}

nav li:hover ul {
  display: block;
  animation: fade 0.5s ease-in-out;
}

@keyframes fade {
  0%    { opacity: 0; }
  100%  { opacity: 1; }
}
/* ----- /Navigation ----- */

strong {
  color: #905;
}

pre {
  background-color: #fff;
  border-left: 4px solid #4682b4;
  padding: 1em;
}

article > pre {
  margin-left: 2.5em;
}

pre code {
  display: block;
  font-size: 1em;
  padding: 1em;
  background-color: #f5fffa;
  position: relative;
  margin: auto -1em;
}

pre code::after {
  content: '\263a';
  color: #0d0;
  opacity: 0.6;
  font-size: 2.5em;
  position: absolute;
  bottom: 0;
  right: 0.2em;
}

pre code.deprecated {
  background-color: #fff5f5;
}

pre code.deprecated::after {
  content: '\2639';
  color: #f70;
  font-size: 2.1em;
}

pre.error {
  color: #800;
  background-color: #fff5f5;
  border-left-color: #800;
}

figure {
  border-left: 4px solid #4682b4;
  padding: 0;
  margin: 1em auto 1em 2em;
}

figcaption {
  color: #fff;
  background-color: #4682b4;
  padding: 0.2em 0.5em 0.2em 1em;
  display: inline-block;
  min-width: 25em;
  border-radius: 1em;
  font-weight: bold;
  font-size: 0.9em;
  margin-left: -1.5em;
}

figcaption span {
  margin-left: 0.5em;
  color: #eee;
  font-style: italic;
  font-weight: normal;
}

figure pre {
  border: 0;
  margin: 0;
}

.scroll {
  max-height: 12em;
  overflow: auto;
  scrollbar-width: thin;
}

blockquote {
  padding: 0.5em 3.5em 1em;
  font-style: italic;
  position: relative;
  border-radius: 1.5em;
  background: #e9967a66 url("../image/blob.svg") center no-repeat;
  background-size: 100% 100%;
}

blockquote::before,
blockquote::after {
  color: #e9967a;
  opacity: 0.6;
  font-size: 4em;
  position: absolute;
}

blockquote::before {
  content: '\201c';
  top: 0;
  left: 0.3em;
}

blockquote::after {
  content: '\201d';
  bottom: -0.5em;
  right: 0.5em;
}

cite {
  display: block;
  margin-top: 1em;
  color: #999;
}

cite::before {
  content: '\2014\00A0source: ';
}

code {
  font-size: 1.2em;
  padding: 0 0.2em;
  background-color: #eee;
}

kbd {
  color: #333;
  padding: 0.1em 0.4em;
  background: transparent linear-gradient(to bottom, #eee, #fff 60%);
  border-radius: 6px;
  border: 1px solid #ccc;
  line-height: 1;
  display: inline-block;
  font-family: monospace;
}

address {
  font-size: 0.9em;
  margin: 2em auto 2em 2em;
}

.warning {
  background-color: #fff5f5;
  border-left: 4px solid #fab;
  padding: 0.5em;
  margin-top: 0.5em;
  color: #333;
  border-radius: 4px;
}

.warning::before {
  content: '\26a0\fe0f';
  margin-right: 0.3em;
}

.note, .footnote {
  background-color: #fbf5d7;
  border-left: 4px solid #e1c542;
  padding: 0.5em;
  margin-top: 0.5em;
  color: #333;
  font-style: italic;
  border-radius: 4px;
}

.footnote {
  font-size: 0.9em;
}

.note::before, .footnote::before {
  content: '\1f4cc';
  margin-right: 0.5em;
}

.experimental::after {
  content: '';
  background: url('../image/beaker.svg') no-repeat center;
  background-size: contain;
  display: inline-block;
  width: 1.2em;
  height: 1.2em;
  margin-left: 0.5em;
  vertical-align: text-bottom;
}

/* ----- Table ----- */
table {
  background: #fff;
  border: 1px solid #eaeff2;
  margin: 1em auto 2.5em 2em;
  border-collapse: collapse;
  min-width: 70%;
}

caption {
  color: #fff;
  background-color: #abc;
  padding: 0.2em 0.5em 0.2em 1em;
  border-radius: 1em;
  font-weight: bold;
  font-size: 0.9em;
  margin-left: -1.5em;
  text-align: left;
  width: 25em;
}

caption ~ thead, caption ~ tbody {
  border-left: 4px solid #abc;
}

th {
  background-color: #e9eef1;
  text-align: left;
  padding: 0.5em;
  border-top: 1px solid #abc;
  border-bottom: 1px solid #fff;
}

tbody th {
  border-top: 0;
  font-weight: normal;
}

tr:nth-child(odd) td {
  background-color: #f4f6f8;
}

tr:nth-child(even) td {
  background-color: #f8fafb;
}

tr:not(:last-of-type) {
  border-bottom: 1px solid #fff;
}

td {
  padding: 0.5em;
}

td p {
  margin: 0;
}

td code {
  background-color: transparent;
  padding: 0;
  font-size: 1.2em;
  white-space: pre;
}

.code td {
  font-family: monospace;
  font-size: 1.2em;
  white-space: pre;
}

td .pass, td .fail,
td.pass span, td.fail span {
 font-family: monospace;
}

th span, .small {
  color: #777;
  font-style: italic;
  font-weight: normal;
  font-size: 0.8em;
}

th sup {
  color: #aaa;
}

.slim th:first-of-type, .slim td {
  padding: 0 0.5em;
}

.pass {
  color: #080;
}

.pass::before {
  content: '\2714\00A0';
  font-weight: 900;
}

.fail {
  color: #f00;
}

.fail::before {
  content: '\2718\00A0';
  font-weight: 900;
}

.unknown::before {
  content: '\2753\00A0';
  font-weight: 900;
}

h4 sup {
  background-color: #cd853f;
  color: #fff;
  padding: 0.1em 0.4em;
}

.dim {
  color: #777;
}

h3 i {
  color: #777;
}

/* ----- FireMonkey ----- */
.sync {
  background-color: #dff  !important;
}

.async {
  background-color: #fee !important;
}

.semi-sync {
  background-color: #eef !important;
}

.callback {
  background-color: #dfc !important;
}