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html, body, div, span, applet, object, iframe,
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html, body, div, span, applet, object, iframe,
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a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, tt, var,
b, u, i, center,
dl, dd, ol, ul, li,
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figure, figcaption, footer, header, hgroup,
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html, body, div, span, applet, object, iframe,
p, blockquote,
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a.FootnoteRef + a.FootnoteRef:before {
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ol, ul, li,
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table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed,
figure, figcaption, footer, header, hgroup,
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html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
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b, u, i, center,
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html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, tt, var,
b, u, i, center,
dl, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed,
figure, figcaption, footer, header, hgroup,
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html, body, div, span, applet, object, iframe,
p, blockquote,
a, abbr, acronym, address, big, cite,
del, dfn, em, img, ins, q, s,
small, strike, strong, sub, sup, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
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p tt, dt tt, li tt, label tt, legend tt, caption tt, th tt, td tt,
p kbd, dt kbd, li kbd, label kbd, legend kbd, caption kbd, th kbd, td kbd,
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article, aside, details, figcaption, figure,
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table {
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dl {
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b, strong {
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div.document-stage-band, div.document-type-band {
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a.FootnoteRef + a.FootnoteRef:before {
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.addition {
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.deletion {
  color: red;
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#recommendation-band {
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#recommendation {
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#recommendation-amendment-band {
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#recommendation-amendment {
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#recommendation-supplement-band {
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#recommendation-supplement {
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#recommendation-corrigendum-band {
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#recommendation-errata {
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#recommendation-annex {
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#technical-paper-band {
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#technical-paper {
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#technical-report {
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#focus-group-band {
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#service-publication {
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#withdrawn {
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.wrapper-top {
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  margin-left: 0em;
  background: url(data:image/png;base64,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);
  background-repeat: repeat-y;
  background-size: 100px; }

.doc-type {
  font-size: 18px;
  letter-spacing: 4px;
  color: #797979;
  margin-bottom: 42px; }

.ITU-sector, .doc-identifier {
  font-size: 42px;
  font-weight: 800;
  display: inline; }

.doc-subidentifier {
  font-size: 20px; }

.doc-info-left {
  float: right;
  padding-right: 42px; }

.doc-identifier, .publication-month {
  display: block;
  text-align: right; }

.publication-month {
  font-size: 18px;
  padding-top: 10px;
  line-height: 1; }

.doc-category {
  text-transform: uppercase;
  font-size: 16px;
  line-height: 1.2; }

.coverpage-title {
  margin-top: 42px; }
  .coverpage-title span {
    display: block;
    font-size: 20px;
    line-height: 1.5; }

.coverpage-maturity,
.coverpage-stage {
  font-family: {{bodyfont}};
  font-weight: 400;
  font-size: 1em;
  margin: 0 0 2em 0;
  text-transform: uppercase; }

span.doc-title, span.doc-annextitle {
  font-size: 26px;
  font-weight: 800;
  margin-top: 20px;
  margin-right: 42px; }

span.doc-title {
  border-top: 2px solid #DA1D52; }

.doc-footer {
  margin-top: 100px; }
  .doc-footer .keywords {
    display: block; }
  .doc-footer div {
    clear: both; }
  .doc-footer span, .doc-footer .keywords {
    font-size: 18px;
    font-weight: 400;
    letter-spacing: 0;
    color: black;
    float: left;
    padding-right: 10px; }

.WordSection11 {
  padding: 0 2em 0 3em; }

.info-section {
  padding: 0; }
  @media print {
    .info-section {
      display: none; } }
.prefatory-section {
  padding: 0 3em 0 6em; }

.zzSTDTitle1, .zzSTDTitle2, .zzSTDTitle3, .MsoCommentText {
  display: none; }

.coverpage {
  text-align: left;
  padding-left: 1.5em; }
  @media print {
    .coverpage {
      height: 23cm; } }
/* Document Identity */
.coverpage-doc-identity {
  font-size: 2em;
  line-height: 2em; }

.coverpage-title .title-second {
  display: none; }

.coverpage-stage-block {
  font-family: {{bodyfont}};
  font-weight: 600;
  font-size: 1.25em;
  margin: 2em 0em 2em 0em;
  text-transform: uppercase; }

/* Draft Warning */
.coverpage-warning {
  border: #f36f36 solid 2px;
  color: #f36f36 !important;
  margin: 1em 2em;
  color: #2e81c2;
  padding: 2em 1em 1em 1em;
  border-radius: 25px; }

.coverpage-warning h1 {
  margin-top: 0em; }

.coverpage-warning .title {
  font-family: {{bodyfont}};
  font-weight: 300;
  text-transform: uppercase;
  font-size: 1.2em; }

/* Copyright */
.copyright {
  padding: 1em;
  font-size: 0.9em;
  text-align: left; }
  @media print {
    .copyright {
      page-break-before: always; } }
dl.glossary dt {
  font-weight: bold; }

body {
  margin-left: auto;
  margin-right: auto;
  max-width: 100%;
  font-size: {{normalfontsize}};
  font-weight: 400;
  line-height: 1.6em;
  color: #141115;
  background-color: #fff; }
  body main {
    margin: 0 3em 0 6em; }

@media screen and (min-width: 768px) {
  nav {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    width: 323px;
    font-size: 0.9em;
    overflow: auto;
    padding: 0 0 0 45px;
    background-color: #fff; } }

@media print {
  nav {
    position: relative;
    width: auto;
    font-size: 0.9em;
    overflow: auto;
    padding: 0;
    margin-right: 0;
    background-color: white; } }

nav #toc {
  font-family: {{bodyfont}};
  font-weight: 400; }
  @media screen and (max-width: 768px) {
    nav #toc {
      padding: 0 1.5em;
      overflow: visible; } }
#toc, #toc > ul :is(.h1, .h2, .h3, .h4, .h5, .h6) {
  font-family: {{bodyfont}};
  font-weight: 400; }
  #toc ul, #toc > ul :is(.h1, .h2, .h3, .h4, .h5, .h6) ul {
    margin: 0;
    padding: 0;
    list-style: none; }
    #toc ul li a, #toc > ul :is(.h1, .h2, .h3, .h4, .h5, .h6) ul li a {
      padding: 5px 10px; }
    #toc ul a, #toc > ul :is(.h1, .h2, .h3, .h4, .h5, .h6) ul a {
      color: #141115;
      text-decoration: none;
      display: block; }
      #toc ul a:hover, #toc > ul :is(.h1, .h2, .h3, .h4, .h5, .h6) ul a:hover {
        box-shadow: none;
        color: white; }
  #toc .h2, #toc > ul :is(.h1, .h2, .h3, .h4, .h5, .h6) .h2 {
    padding-left: 30px; }
  #toc .h3, #toc > ul :is(.h1, .h2, .h3, .h4, .h5, .h6) .h3 {
    padding-left: 50px; }
  #toc .toc-active, #toc li:hover, #toc > ul :is(.h1, .h2, .h3, .h4, .h5, .h6) .toc-active, #toc > ul :is(.h1, .h2, .h3, .h4, .h5, .h6) li:hover {
    background: #da1d52;
    box-shadow: inset -5px 0px 10px -5px #da1d52 !important; }
    #toc .toc-active a, #toc li:hover a, #toc > ul :is(.h1, .h2, .h3, .h4, .h5, .h6) .toc-active a, #toc > ul :is(.h1, .h2, .h3, .h4, .h5, .h6) li:hover a {
      color: white; }
  @media print {
    #toc .toc-active, #toc li:hover, #toc > ul :is(.h1, .h2, .h3, .h4, .h5, .h6) .toc-active, #toc > ul :is(.h1, .h2, .h3, .h4, .h5, .h6) li:hover {
      background: white;
      box-shadow: none !important; }
    #toc .toc-active a, #toc > ul :is(.h1, .h2, .h3, .h4, .h5, .h6) .toc-active a {
      color: #141115; }
    #toc li:hover a, #toc > ul :is(.h1, .h2, .h3, .h4, .h5, .h6) li:hover a {
      color: black; } }
  #toc .h1, #toc > ul :is(.h1, .h2, .h3, .h4, .h5, .h6) .h1 {
    text-transform: uppercase; }
  #toc li a, #toc > ul :is(.h1, .h2, .h3, .h4, .h5, .h6) li a {
    font-size: {{normalfontsize}}; }
  #toc li:hover a, #toc > ul :is(.h1, .h2, .h3, .h4, .h5, .h6) li:hover a {
    background: none;
    box-shadow: none; }
  #toc li:before, #toc > ul :is(.h1, .h2, .h3, .h4, .h5, .h6) li:before {
    content: " ";
    display: none; }
  @media print {
    #toc .toc-active a, #toc > ul :is(.h1, .h2, .h3, .h4, .h5, .h6) .toc-active a {
      color: #4D7EA5; }
    #toc .toc-active, #toc li:hover, #toc > ul :is(.h1, .h2, .h3, .h4, .h5, .h6) .toc-active, #toc > ul :is(.h1, .h2, .h3, .h4, .h5, .h6) li:hover {
      background: white;
      box-shadow: none !important; }
    #toc li:hover a, #toc > ul :is(.h1, .h2, .h3, .h4, .h5, .h6) li:hover a {
      color: black; } }
#toc > ul :is(.h1, .h2, .h3, .h4, .h5, .h6) {
  margin-top: 0;
  margin-bottom: 0;
  font-size: 100%; }

#toc-list ul {
  margin-bottom: 0.25em; }

#toc-list li {
  list-style-type: none; }

@media screen and (min-width: 768px) {
  #toggle {
    position: fixed;
    height: 100%;
    width: 30px;
    background-color: #da1d52;
    color: white !important;
    cursor: pointer;
    z-index: 100; }
    #toggle span {
      text-align: center;
      width: 100%;
      position: absolute;
      top: 50%;
      transform: translate(0, -50%); } }

@media screen and (max-width: 768px) {
  #toggle {
    display: none; } }

@media print {
  #toggle {
    display: none; } }

@media screen and (min-width: 768px) {
  .container {
    padding-left: 360px; } }

@media print {
  .container {
    padding-left: 0; } }

.rule {
  width: 100%;
  height: 1px;
  background-color: #00539F;
  margin: 2em 0; }
  @media screen and (min-width: 768px) {
    .rule.toc {
      display: none; } }
.rule-2 {
  width: 100%;
  height: 1px;
  background-color: #00539F; }

.rule-thick {
  width: 100%;
  height: 3px;
  background-color: #00539F;
  margin-top: 3em; }

@media screen and (min-width: 768px) {
  h1.toc-contents {
    margin-top: 1em; }
  ul#toc-list, ul#toc-list > :is(.h1, .h2, .h3, .h4, .h5, .h6) {
    padding: 0;
    margin: 0; } }

.figure {
  line-height: 1.6em;
  padding: 1.5em;
  margin: 2em 0 1em 0;
  overflow: auto;
  font-family: {{monospacefont}};
  font-variant-ligatures: none;
  background-color: #f6f6f6;
  font-size: {{monospacefontsize}}; }
  .figure .FigureTitle, .figure .figure-title {
    font-weight: 700;
    font-size: 1em;
    text-align: center; }
  .figure > img {
    margin-left: auto;
    margin-right: auto;
    display: block;
    max-width: 100%;
    height: auto; }

.SourceTitle {
  font-weight: 700;
  font-size: 1em;
  text-align: center; }

pre {
  font-family: {{monospacefont}};
  font-variant-ligatures: none;
  background-color: #f6f6f6;
  font-size: {{monospacefontsize}};
  line-height: 1.6em;
  padding: 1.5em;
  margin: 2em 0 1em 0;
  overflow-y: auto;
  overflow-x: scroll;
  font-size: {{monospacefontsize}}; }

.example pre, .example .pseudocode {
  background: none;
  margin: 0;
  padding: 0 0 0 2em; }

.document-stage-band {
  left: 0;
  top: 0;
  height: 100%;
  position: fixed;
  display: block;
  z-index: 101;
  box-shadow: -5px 0px 10px #1d1d1d; }
  .document-stage-band > :first-child {
    position: relative;
    width: 25px;
    font-weight: 300;
    height: 160px;
    color: white;
    text-transform: uppercase;
    font-size: 0.9em;
    font-weight: 400;
    letter-spacing: 0.05em;
    margin: 0;
    margin-left: 6px;
    writing-mode: tb-rl;
    -webkit-transform: rotate(180deg);
    -moz-transform: rotate(180deg);
    -o-transform: rotate(180deg);
    white-space: nowrap;
    display: block;
    bottom: 0; }
  @media print {
    .document-stage-band {
      display: none; } }
.document-type-band {
  left: 0;
  top: 180px;
  height: 100%;
  position: fixed;
  display: block;
  z-index: 102; }
  .document-type-band > :first-child {
    position: relative;
    width: 25px;
    font-weight: 400;
    color: white;
    text-transform: uppercase;
    font-size: 0.9em;
    font-weight: 400;
    letter-spacing: 0.05em;
    margin: 0;
    margin-left: 6px;
    writing-mode: tb-rl;
    -webkit-transform: rotate(180deg);
    -moz-transform: rotate(180deg);
    -o-transform: rotate(180deg);
    white-space: nowrap;
    display: block;
    bottom: 0; }
  @media print {
    .document-type-band {
      display: none; } }
  .document-type-band .document-type {
    top: 20px; }

.logo-wrapper {
  width: 100%;
  display: block;
  height: 100px;
  padding-top: 75px;
  position: relative; }
  .logo-wrapper img, .logo-wrapper svg {
    float: right;
    padding-right: 42px; }

#ITU-logo {
  width: 150px;
  height: auto;
  margin-left: auto; }

svg {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0; }

.authors-container {
  margin-top: 2em; }

.affiliation {
  font-style: italic; }

/* Headings */
h1, h2, h3, h4, h5, h6, .h1Annex, p.h1, .h2, .h3, .h4, .h5, .h6 {
  font-weight: 400;
  margin-top: 1.6em;
  margin-bottom: 0.3em; }

@media print {
  h1, h2, h3, h4, .h1Annex, p.h1, .h2, .h3, .h4 {
    page-break-after: avoid;
    margin-top: 1.2em; } }

h1, .h1Annex, p.h1 {
  font-size: 1.4em;
  text-transform: uppercase;
  margin-top: 2em; }
  h1#content, #content.h1Annex, p#content.h1 {
    margin-top: 2em; }
  @media print {
    h1, .h1Annex, p.h1 {
      font-size: 1.5em;
      line-height: 1.5; }
      h1.content, .h1Annex.content, p.h1.content {
        margin-top: 2em;
        line-height: 2.5em; } }
p.supertitle {
  font-size: 1.4em;
  text-transform: uppercase;
  margin-top: 2em; }
  @media print {
    p.supertitle {
      font-size: 1.5em;
      line-height: 1.5; }
      p.supertitle.content {
        margin-top: 2em;
        line-height: 2.5em; } }
h2, .h2 {
  margin-top: 1.7em;
  font-size: 1.5em; }
  h2 p, .h2 p {
    display: inline; }
  @media print {
    h2, .h2 {
      font-size: 1.2em; } }
h3, .h3 {
  margin-top: 1.5em;
  font-size: 1.4em; }
  @media print {
    h3, .h3 {
      font-size: 1em; } }
h4, .h4 {
  font-size: 1.2em; }

/* Terms */
.TermNum {
  font-weight: 400; }

h2.TermNum {
  margin-bottom: 0; }

p.AltTerms {
  font-size: 20px;
  margin-top: 1em; }

/* Links, selection */
a, a:visited {
  text-decoration: none;
  color: #00539F; }

a:hover {
  color: white;
  background: #00539F;
  box-shadow: 3px 0 0 #00539F, -3px 0 0 #00539F; }

::selection {
  background: #00539F;
  /* WebKit/Blink Browsers */
  color: white; }

::-moz-selection {
  background: #00539F;
  /* Gecko Browsers */
  color: white; }

/* Lists */
ul, ol {
  margin-left: 1.2em; }

ul > li {
  list-style: none; }
  ul > li:before {
    content: "\2014";
    display: inline-block;
    width: 1em;
    margin-left: -1.2em; }
  ul > li p:first-child {
    display: inline; }
  ul > li:first-child {
    margin-top: 1em; }

ul ul > li:first-child {
  margin-top: 0; }

ol ul > li:first-child {
  margin-top: 0; }

/* Bibliograhy */
p.Biblio, p.NormRef {
  margin-top: 1em;
  margin-left: 2em; }

/* Blocks */
.Note {
  background-color: #ffca3a;
  color: #141115;
  padding: 1.2em;
  margin: 1em 0 1em 0; }
  .Note p {
    margin: 0; }

.Admonition {
  background-color: #ffcccc;
  color: #47430c;
  padding: 1.2em;
  margin: 1em 0 1em 0; }
  .Admonition p {
    margin: 0; }

.example {
  background-color: #e1eef1;
  padding: 1.2em;
  margin: 2em 0 1em 0;
  text-align: left;
  padding-left: 3.2em; }
  .example p {
    margin: 0; }
  .example .example-title {
    font-weight: 700;
    text-transform: uppercase;
    margin-left: -2em; }
  .example .example-title {
    margin-top: 0;
    margin-left: -1.5em; }
  .example pre, .example .pseudocode {
    background: none;
    margin: 0;
    padding: 0 0 0 2em; }

.pseudocode {
  background-color: #f6f6f6;
  padding: 1.2em;
  margin: 2em 0 1em 0;
  padding-left: 2em; }
  .pseudocode .example-title {
    font-weight: 700;
    text-transform: uppercase;
    text-align: center;
    margin-top: 0;
    margin-left: -1.5em; }

.recommend {
  background-color: #ccffcc;
  padding: 1.2em;
  margin: 2em 0 1em 0; }

.recommend .RecommendationTitle {
  font-weight: 700;
  font-size: 1em;
  text-align: center; }

.require .RecommendationTitle {
  font-weight: 700;
  font-size: 1em;
  text-align: center; }

.permission .RecommendationTitle {
  font-weight: 700;
  font-size: 1em;
  text-align: center; }

/* Tables */
table.biblio td {
  padding-right: 0.5em; }

table:not(.biblio) {
  width: 100%;
  font-weight: 300;
  margin: 1em 0 2em 0;
  margin-left: auto;
  margin-right: auto;
  padding-right: 2em;
  color: #141115; }
  table:not(.biblio), table:not(.biblio) th, table:not(.biblio) td {
    border: none;
    font-size: 0.95em; }
  table:not(.biblio) th, table:not(.biblio) td {
    padding: 1em; }
  table:not(.biblio) td.header {
    font-weigth: 400; }
  table:not(.biblio), table:not(.biblio) th, table:not(.biblio) td {
    border: none !important; }
  table:not(.biblio) tr:nth-child(even) {
    background: #f1f8ff; }
  table:not(.biblio) tr:nth-child(odd) {
    background: #f6f8fa; }

p.TableTitle {
  text-align: center;
  margin-top: 2.5em;
  font-weight: 400; }

/* Footnotes */
a.footnote-number {
  vertical-align: super;
  font-size: 0.8em; }

.footnote {
  font-size: {{footnotefontsize}}; }

.Quote {
  background-color: #f6f6f6;
  font-style: italic;
  width: 80%;
  padding: 1.5em;
  margin-top: 2em;
  margin-left: auto;
  margin-right: auto; }

.formula {
  background-color: #f6f6f6;
  padding: 1.5em;
  margin-top: 2em;
  text-align: center; }

dl.formula_dl {
  background-color: #f6f6f6;
  margin-left: 1.4cm;
  margin-right: 1.4cm; }

.contact-info {
  padding: 2em;
  margin-top: 5em;
  width: 280px;
  text-align: left;
  color: #00539F !important;
  background-color: #f1f8ff;
  border-radius: 25px; }
  .contact-info a, .contact-info a:hover {
    color: #00539F; }
  .contact-info a:hover {
    text-decoration: underline;
    background: none;
    box-shadow: 0 0 0 0; }
  .contact-info p, .contact-info a {
    font-family: {{monospacefont}};
    font-variant-ligatures: none;
    font-weight: 400; }
  .contact-info .name {
    font-weight: 700;
    font-size: 14px;
    margin-bottom: 5px; }
  .contact-info .address {
    font-size: 12px;
    line-height: 1.3em;
    margin-top: 0; }

span.keyword {
  font-weight: 600; }

p {
  margin-top: 1em;
  margin-bottom: 1em; }

#myBtn {
  font-family: {{monospacefont}};
  font-variant-ligatures: none;
  display: none;
  position: fixed;
  bottom: 20px;
  right: 30px;
  z-index: 99;
  font-size: 12px;
  border: none;
  outline: none;
  background-color: #00539F;
  opacity: 0.15;
  color: white;
  cursor: pointer;
  padding: 10px 15px 10px 15px;
  border-radius: 4px; }
  #myBtn:hover {
    opacity: 1; }
  @media print {
    #myBtn {
      display: none; } }
  @media print {
    #myBtn {
      background-color: white; } }
a.anchorjs-link:hover {
  background: none;
  color: #2e81c2;
  box-shadow: none; }

@page {
  margin: 2cm 1cm; }

@media print {
  .document-info, nav {
    page-break-before: always; }
  nav {
    page-break-after: always;
    line-height: 1;
    position: relative;
    width: auto;
    font-size: 0.9em;
    overflow: auto;
    padding: 0;
    margin-right: 0;
    background-color: white; }
  .note, .figure, pre, table {
    page-break-inside: avoid; }
  .wrapper-top {
    top: 0;
    padding-top: 4cm;
    padding-bottom: 4cm; }
  .wrapper-top-bottom {
    margin-top: -5px;
    display: none; }
  .Note {
    background-color: #fff495;
    color: #47430c;
    padding: 5px;
    margin: 2em 0 1em 0; }
    .Note p {
      padding: 0 5px 0 5px; } }