@font-face {
  font-family:Roboto;
  font-style:normal;
  font-weight:400;
  src:url(../font/roboto-latin-400-normal.woff2) format("woff2"),url(../font/roboto-latin-400-normal.woff) format("woff");
  unicode-range:U+00??,U+0131,U+0152-0153,U+02bb-02bc,U+02c6,U+02da,U+02dc,U+2000-206f,U+2074,U+20ac,U+2122,U+2191,U+2193,U+2212,U+2215,U+feff,U+fffd
}
@font-face {
  font-family:Roboto;
  font-style:normal;
  font-weight:400;
  src:url(../font/roboto-cyrillic-400-normal.woff2) format("woff2");
  unicode-range:U+0301,U+0400-045f,U+0490-0491,U+04b0-04b1,U+2116
}
@font-face {
  font-family:Roboto;
  font-style:italic;
  font-weight:400;
  src:url(../font/roboto-latin-400-italic.woff2) format("woff2"),url(../font/roboto-latin-400-italic.woff) format("woff");
  unicode-range:U+00??,U+0131,U+0152-0153,U+02bb-02bc,U+02c6,U+02da,U+02dc,U+2000-206f,U+2074,U+20ac,U+2122,U+2191,U+2193,U+2212,U+2215,U+feff,U+fffd
}
@font-face {
  font-family:Roboto;
  font-style:italic;
  font-weight:400;
  src:url(../font/roboto-cyrillic-400-italic.woff2) format("woff2");
  unicode-range:U+0301,U+0400-045f,U+0490-0491,U+04b0-04b1,U+2116
}
@font-face {
  font-family:Roboto;
  font-style:normal;
  font-weight:600;
  src:url(../font/roboto-latin-500-normal.woff2) format("woff2"),url(../font/roboto-latin-500-normal.woff) format("woff");
  unicode-range:U+00??,U+0131,U+0152-0153,U+02bb-02bc,U+02c6,U+02da,U+02dc,U+2000-206f,U+2074,U+20ac,U+2122,U+2191,U+2193,U+2212,U+2215,U+feff,U+fffd
}
@font-face {
  font-family:Roboto;
  font-style:normal;
  font-weight:600;
  src:url(../font/roboto-cyrillic-500-normal.woff2) format("woff2");
  unicode-range:U+0301,U+0400-045f,U+0490-0491,U+04b0-04b1,U+2116
}
@font-face {
  font-family:Roboto;
  font-style:italic;
  font-weight:600;
  src:url(../font/roboto-latin-500-italic.woff2) format("woff2"),url(../font/roboto-latin-500-italic.woff) format("woff");
  unicode-range:U+00??,U+0131,U+0152-0153,U+02bb-02bc,U+02c6,U+02da,U+02dc,U+2000-206f,U+2074,U+20ac,U+2122,U+2191,U+2193,U+2212,U+2215,U+feff,U+fffd
}
@font-face {
  font-family:Roboto;
  font-style:italic;
  font-weight:600;
  src:url(../font/roboto-cyrillic-500-italic.woff2) format("woff2");
  unicode-range:U+0301,U+0400-045f,U+0490-0491,U+04b0-04b1,U+2116
}
@font-face {
  font-family:Roboto Mono;
  font-style:normal;
  font-weight:400;
  src:url(../font/roboto-mono-latin-400-normal.woff2) format("woff2"),url(../font/roboto-mono-latin-400-normal.woff) format("woff");
  unicode-range:U+00??,U+0131,U+0152-0153,U+02bb-02bc,U+02c6,U+02da,U+02dc,U+2000-206f,U+2074,U+20ac,U+2122,U+2191,U+2193,U+2212,U+2215,U+feff,U+fffd
}
@font-face {
  font-family:Roboto Mono;
  font-style:normal;
  font-weight:600;
  src:url(../font/roboto-mono-latin-500-normal.woff2) format("woff2"),url(../font/roboto-mono-latin-500-normal.woff) format("woff");
  unicode-range:U+00??,U+0131,U+0152-0153,U+02bb-02bc,U+02c6,U+02da,U+02dc,U+2000-206f,U+2074,U+20ac,U+2122,U+2191,U+2193,U+2212,U+2215,U+feff,U+fffd
}
*,::after,::before {
  -webkit-box-sizing:inherit;
  box-sizing:inherit
}
html {
  -webkit-box-sizing:border-box;
  box-sizing:border-box;
  font-size:1.0625em;
  height:100%;
  scroll-behavior:smooth
}
@media screen and (min-width:1024px) {
  html {
  font-size:1.125em
}
}body {
  background:#fff;
  color:#222;
  font-family:Roboto,sans-serif;
  line-height:1.15;
  margin:0;
  -moz-tab-size:4;
  -o-tab-size:4;
  tab-size:4;
  word-wrap:anywhere
}
a {
  text-decoration:none
}
a:hover {
  text-decoration:underline
}
a:active {
  background-color:none
}
code,kbd,pre {
  font-family:Roboto Mono,monospace
}
b,dt,strong,th {
  font-weight:600
}
sub,sup {
  font-size:75%;
  line-height:0;
  position:relative;
  vertical-align:baseline
}
sub {
  bottom:-.25em
}
sup {
  top:-.5em
}
em em {
  font-style:normal
}
strong strong {
  font-weight:400
}
button {
  cursor:pointer;
  font-family:inherit;
  font-size:1em;
  line-height:1.15;
  margin:0
}
button::-moz-focus-inner {
  border:none;
  padding:0
}
summary {
  cursor:pointer;
  -webkit-tap-highlight-color:transparent;
  outline:none
}
table {
  border-collapse:collapse;
  word-wrap:normal
}
object[type="image/svg+xml"]:not([width]) {
  width:-webkit-fit-content;
  width:-moz-fit-content;
  width:fit-content
}
::-webkit-input-placeholder {
  opacity:.5
}
::-moz-placeholder {
  opacity:.5
}
:-ms-input-placeholder {
  opacity:.5
}
::-ms-input-placeholder {
  opacity:.5
}
::placeholder {
  opacity:.5
}
@media (pointer:fine) {
  @supports (scrollbar-width:thin) {
  html {
  scrollbar-color:#c1c1c1 #fafafa
}
body * {
  scrollbar-width:thin;
  scrollbar-color:#c1c1c1 transparent
}
}html::-webkit-scrollbar {
  background-color:#fafafa;
  height:12px;
  width:12px
}
body::-webkit-scrollbar {
  height:6px;
  width:6px
}
::-webkit-scrollbar-thumb {
  background-clip:padding-box;
  background-color:#c1c1c1;
  border:3px solid transparent;
  border-radius:12px
}
body::-webkit-scrollbar-thumb {
  border-width:1.75px;
  border-radius:6px
}
::-webkit-scrollbar-thumb:hover {
  background-color:#9c9c9c
}
}@media screen and (min-width:1024px) {
  .body {
  display:-webkit-box;
  display:-ms-flexbox;
  display:flex
}
}@media screen and (max-width:1023.5px) {
  html.is-clipped--nav {
  overflow-y:hidden
}
}.nav-container {
  position:fixed;
  top:3.5rem;
  left:0;
  width:100%;
  font-size:.94444rem;
  z-index:1;
  visibility:hidden
}
@media screen and (min-width:769px) {
  .nav-container {
  width:15rem
}
}@media screen and (min-width:1024px) {
  .nav-container {
  font-size:.86111rem;
  -webkit-box-flex:0;
  -ms-flex:none;
  flex:none;
  position:static;
  top:0;
  visibility:visible
}
}.nav-container.is-active {
  visibility:visible
}
.nav {
  background:#fafafa;
  position:relative;
  top:2.5rem;
  height:calc(100vh - 6rem)
}
@media screen and (min-width:769px) {
  .nav {
  -webkit-box-shadow:.5px 0 3px #c1c1c1;
  box-shadow:.5px 0 3px #c1c1c1
}
}@media screen and (min-width:1024px) {
  .nav {
  top:3.5rem;
  -webkit-box-shadow:none;
  box-shadow:none;
  position:sticky;
  height:calc(100vh - 3.5rem)
}
}.nav a {
  color:inherit
}
.nav .panels {
  display:-webkit-box;
  display:-ms-flexbox;
  display:flex;
  -webkit-box-orient:vertical;
  -webkit-box-direction:normal;
  -ms-flex-direction:column;
  flex-direction:column;
  height:inherit
}
.nav-panel-menu {
  overflow-y:scroll;
  -ms-scroll-chaining:none;
  overscroll-behavior:none;
  height:calc(100% - 2.5rem)
}
.nav-panel-menu:only-child {
  height:100%
}
.nav-panel-menu:not(.is-active) .nav-menu {
  opacity:.75
}
.nav-panel-menu:not(.is-active)::after {
  content:"";
  background:rgba(0,0,0,.5);
  display:block;
  position:absolute;
  top:0;
  right:0;
  bottom:0;
  left:0
}
.nav-menu {
  min-height:100%;
  padding:.5rem .75rem;
  line-height:1.35;
  position:relative
}
.nav-menu-toggle {
  background:transparent url(../img/octicons-16.svg#view-unfold) no-repeat 50%/100% 100%;
  border:none;
  float:right;
  height:1em;
  margin-right:-.5rem;
  opacity:.75;
  outline:none;
  padding:0;
  position:sticky;
  top:.85rem;
  visibility:hidden;
  width:1em
}
.nav-menu-toggle.is-active {
  background-image:url(../img/octicons-16.svg#view-fold)
}
.nav-panel-menu.is-active:hover .nav-menu-toggle {
  visibility:visible
}
.nav-menu h3.title {
  color:#424242;
  font-size:inherit;
  font-weight:600;
  margin:0;
  padding:.25em 0 .125em
}
.nav-list {
  list-style:none;
  margin:0 0 0 .75rem;
  padding:0
}
.nav-menu>.nav-list+.nav-list {
  margin-top:.5rem
}
.nav-item {
  margin-top:.5em
}
.nav-item-toggle~.nav-list {
  padding-bottom:.125rem
}
.nav-item[data-depth="0"]>.nav-list:first-child {
  display:block;
  margin:0
}
.nav-item:not(.is-active)>.nav-list {
  display:none
}
.nav-item-toggle {
  background:transparent url(../img/caret.svg) no-repeat 50%/50%;
  border:none;
  outline:none;
  line-height:inherit;
  padding:0;
  position:absolute;
  height:1.35em;
  width:1.35em;
  margin-top:-.05em;
  margin-left:-1.35em
}
.nav-item.is-active>.nav-item-toggle {
  -webkit-transform:rotate(90deg);
  transform:rotate(90deg)
}
.is-current-page>.nav-link,.is-current-page>.nav-text {
  font-weight:600
}
.nav-panel-explore {
  background:#fafafa;
  display:-webkit-box;
  display:-ms-flexbox;
  display:flex;
  -webkit-box-orient:vertical;
  -webkit-box-direction:normal;
  -ms-flex-direction:column;
  flex-direction:column;
  position:absolute;
  top:0;
  right:0;
  bottom:0;
  left:0
}
.nav-panel-explore:not(:first-child) {
  top:auto;
  max-height:calc(50% + 2.5rem)
}
.nav-panel-explore .context {
  font-size:.83333rem;
  -ms-flex-negative:0;
  flex-shrink:0;
  color:#5d5d5d;
  -webkit-box-shadow:0 -1px 0 #e1e1e1;
  box-shadow:0 -1px 0 #e1e1e1;
  padding:0 .5rem;
  display:-webkit-box;
  display:-ms-flexbox;
  display:flex;
  -webkit-box-align:center;
  -ms-flex-align:center;
  align-items:center;
  -webkit-box-pack:justify;
  -ms-flex-pack:justify;
  justify-content:space-between;
  line-height:1;
  height:2.5rem
}
.nav-panel-explore:not(:first-child) .context {
  cursor:pointer
}
.nav-panel-explore .context .version {
  display:-webkit-box;
  display:-ms-flexbox;
  display:flex;
  -webkit-box-align:inherit;
  -ms-flex-align:inherit;
  align-items:inherit
}
.nav-panel-explore .context .version::after {
  content:"";
  background:url(../img/chevron.svg) no-repeat 100%/auto 100%;
  width:1.25em;
  height:.75em
}
.nav-panel-explore .components {
  line-height:1.35;
  -webkit-box-flex:1;
  -ms-flex-positive:1;
  flex-grow:1;
  -webkit-box-shadow:inset 0 1px 5px #e1e1e1;
  box-shadow:inset 0 1px 5px #e1e1e1;
  background:#f0f0f0;
  padding:.75rem .75rem 0;
  margin:0;
  overflow-y:scroll;
  -ms-scroll-chaining:none;
  overscroll-behavior:none;
  max-height:100%;
  display:block
}
.nav-panel-explore:not(.is-active) .components {
  display:none
}
.nav-panel-explore .component {
  display:block
}
.nav-panel-explore .component+.component {
  margin-top:.75rem
}
.nav-panel-explore .component:last-child {
  margin-bottom:.75rem
}
.nav-panel-explore .component .title {
  font-weight:600;
  text-indent:.375rem hanging
}
.nav-panel-explore .versions {
  display:-webkit-box;
  display:-ms-flexbox;
  display:flex;
  -ms-flex-wrap:wrap;
  flex-wrap:wrap;
  padding-left:0;
  margin:-.125rem -.375rem 0 .375rem;
  line-height:1;
  list-style:none
}
.nav-panel-explore .component .version {
  margin:.375rem .375rem 0 0
}
.nav-panel-explore .component .version a {
  background:#c1c1c1;
  border-radius:.25rem;
  white-space:nowrap;
  padding:.25em .5em;
  display:inherit;
  opacity:.75
}
.nav-panel-explore .component .is-current a {
  background:#424242;
  color:#f0f0f0;
  font-weight:600;
  opacity:1
}
body.-toc aside.toc.sidebar {
  display:none
}
@media screen and (max-width:1023.5px) {
  aside.toc.sidebar {
  display:none
}
main>.content {
  overflow-x:auto
}
}@media screen and (min-width:1024px) {
  main {
  -webkit-box-flex:1;
  -ms-flex:auto;
  flex:auto;
  min-width:0
}
main>.content {
  display:-webkit-box;
  display:-ms-flexbox;
  display:flex
}
aside.toc.embedded {
  display:none
}
aside.toc.sidebar {
  -webkit-box-flex:0;
  -ms-flex:0 0 9rem;
  flex:0 0 9rem;
  -webkit-box-ordinal-group:2;
  -ms-flex-order:1;
  order:1
}
}@media screen and (min-width:1216px) {
  aside.toc.sidebar {
  -ms-flex-preferred-size:12rem;
  flex-basis:12rem
}
}.toolbar {
  color:#5d5d5d;
  -webkit-box-align:center;
  -ms-flex-align:center;
  align-items:center;
  background-color:#fafafa;
  -webkit-box-shadow:0 1px 0 #e1e1e1;
  box-shadow:0 1px 0 #e1e1e1;
  display:-webkit-box;
  display:-ms-flexbox;
  display:flex;
  font-size:.83333rem;
  height:2.5rem;
  -webkit-box-pack:start;
  -ms-flex-pack:start;
  justify-content:flex-start;
  position:sticky;
  top:3.5rem;
  z-index:2
}
.toolbar a {
  color:inherit
}
.nav-toggle {
  background:url(../img/menu.svg) no-repeat 50% 47.5%;
  background-size:49%;
  border:none;
  outline:none;
  line-height:inherit;
  padding:0;
  height:2.5rem;
  width:2.5rem;
  margin-right:-.25rem
}
@media screen and (min-width:1024px) {
  .nav-toggle {
  display:none
}
}.nav-toggle.is-active {
  background-image:url(../img/back.svg);
  background-size:41.5%
}
.home-link {
  display:block;
  background:url(../img/home-o.svg) no-repeat 50%;
  height:1.25rem;
  width:1.25rem;
  margin:.625rem
}
.home-link.is-current,.home-link:hover {
  background-image:url(../img/home.svg)
}
.edit-this-page {
  display:none;
  padding-right:.5rem
}
@media screen and (min-width:1024px) {
  .edit-this-page {
  display:block
}
}.toolbar .edit-this-page a {
  color:#8e8e8e
}
.breadcrumbs {
  display:none;
  -webkit-box-flex:1;
  -ms-flex:1 1;
  flex:1 1;
  padding:0 .5rem 0 .75rem;
  line-height:1.35
}
@media screen and (min-width:1024px) {
  .breadcrumbs {
  display:block
}
}a+.breadcrumbs {
  padding-left:.05rem
}
.breadcrumbs ul {
  display:-webkit-box;
  display:-ms-flexbox;
  display:flex;
  -ms-flex-wrap:wrap;
  flex-wrap:wrap;
  margin:0;
  padding:0;
  list-style:none
}
.breadcrumbs li {
  display:inline;
  margin:0
}
.breadcrumbs li::after {
  content:"/";
  padding:0 .5rem
}
.breadcrumbs li:last-of-type::after {
  content:none
}
.page-versions {
  margin:0 .2rem 0 auto;
  position:relative;
  line-height:1
}
@media screen and (min-width:1024px) {
  .page-versions {
  margin-right:.7rem
}
}.page-versions .version-menu-toggle {
  color:inherit;
  background:url(../img/chevron.svg) no-repeat;
  background-position:right .5rem top 50%;
  background-size:auto .75em;
  border:none;
  outline:none;
  line-height:inherit;
  padding:.5rem 1.5rem .5rem .5rem;
  position:relative;
  z-index:3
}
.page-versions .version-menu {
  display:-webkit-box;
  display:-ms-flexbox;
  display:flex;
  min-width:100%;
  -webkit-box-orient:vertical;
  -webkit-box-direction:normal;
  -ms-flex-direction:column;
  flex-direction:column;
  -webkit-box-align:end;
  -ms-flex-align:end;
  align-items:flex-end;
  background:-webkit-gradient(linear,left top,left bottom,from(#f0f0f0),to(#f0f0f0)) no-repeat;
  background:linear-gradient(180deg,#f0f0f0 0,#f0f0f0) no-repeat;
  padding:1.375rem 1.5rem .5rem .5rem;
  position:absolute;
  top:0;
  right:0;
  white-space:nowrap
}
.page-versions:not(.is-active) .version-menu {
  display:none
}
.page-versions .version {
  display:block;
  padding-top:.5rem
}
.page-versions .version.is-current {
  display:none
}
.page-versions .version.is-missing {
  color:#8e8e8e;
  font-style:italic;
  text-decoration:none
}
.toc-menu {
  color:#5d5d5d
}
.toc.sidebar .toc-menu {
  margin-right:.75rem;
  position:sticky;
  top:6rem
}
.toc .toc-menu h3 {
  color:#333;
  font-size:.88889rem;
  font-weight:600;
  line-height:1.3;
  margin:0 -.5px;
  padding-bottom:.25rem
}
.toc.sidebar .toc-menu h3 {
  display:-webkit-box;
  display:-ms-flexbox;
  display:flex;
  -webkit-box-orient:vertical;
  -webkit-box-direction:normal;
  -ms-flex-direction:column;
  flex-direction:column;
  height:2.5rem;
  -webkit-box-pack:end;
  -ms-flex-pack:end;
  justify-content:flex-end
}
.toc .toc-menu ul {
  font-size:.83333rem;
  line-height:1.2;
  list-style:none;
  margin:0;
  padding:0
}
.toc.sidebar .toc-menu ul {
  max-height:calc(100vh - 8.5rem);
  overflow-y:auto;
  -ms-scroll-chaining:none;
  overscroll-behavior:none
}
@supports (scrollbar-width:none) {
  .toc.sidebar .toc-menu ul {
  scrollbar-width:none
}
}.toc .toc-menu ul::-webkit-scrollbar {
  width:0;
  height:0
}
@media screen and (min-width:1024px) {
  .toc .toc-menu h3 {
  font-size:.83333rem
}
.toc .toc-menu ul {
  font-size:.75rem
}
}.toc .toc-menu li {
  margin:0
}
.toc .toc-menu li[data-level="2"] a {
  padding-left:1.25rem
}
.toc .toc-menu li[data-level="3"] a {
  padding-left:2rem
}
.toc .toc-menu a {
  color:inherit;
  border-left:2px solid #e1e1e1;
  display:inline-block;
  padding:.25rem 0 .25rem .5rem;
  text-decoration:none
}
.sidebar.toc .toc-menu a {
  display:block;
  outline:none
}
.toc .toc-menu a:hover {
  color:#1565c0
}
.toc .toc-menu a.is-active {
  border-left-color:#1565c0;
  color:#333
}
.sidebar.toc .toc-menu a:focus {
  background:#fafafa
}
.doc {
  color:#333;
  font-size:inherit;
  -ms-hyphens:auto;
  hyphens:auto;
  line-height:1.6;
  margin:0 auto;
  max-width:40rem;
  padding:0 1rem 4rem
}
@media screen and (min-width:1024px) {
  .doc {
  -webkit-box-flex:1;
  -ms-flex:auto;
  flex:auto;
  font-size:.94444rem;
  margin:0 2rem;
  max-width:46rem;
  min-width:0
}
}.doc h1,.doc h2,.doc h3,.doc h4,.doc h5,.doc h6 {
  color:#191919;
  font-weight:400;
  -ms-hyphens:none;
  hyphens:none;
  line-height:1.3;
  margin:1rem 0 0
}
.doc>h1.page:first-child {
  font-size:2rem;
  margin:1.5rem 0
}
@media screen and (min-width:769px) {
  .doc>h1.page:first-child {
  margin-top:2.5rem
}
}.doc>h1.page:first-child+aside.toc.embedded {
  margin-top:-.5rem
}
.doc>h2#name+.sectionbody {
  margin-top:1rem
}
#preamble+.sect1,.doc .sect1+.sect1 {
  margin-top:2rem
}
.doc h1.sect0 {
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  margin:1.5rem -1rem 0;
  padding:.5rem 1rem
}
.doc h2:not(.discrete) {
  border-bottom:1px solid #e1e1e1;
  margin-left:-1rem;
  margin-right:-1rem;
  padding:.4rem 1rem .1rem
}
.doc h3:not(.discrete),.doc h4:not(.discrete) {
  font-weight:600
}
.doc h1 .anchor,.doc h2 .anchor,.doc h3 .anchor,.doc h4 .anchor,.doc h5 .anchor,.doc h6 .anchor {
  position:absolute;
  text-decoration:none;
  width:1.75ex;
  margin-left:-1.5ex;
  visibility:hidden;
  font-size:.8em;
  font-weight:400;
  padding-top:.05em
}
.doc h1 .anchor::before,.doc h2 .anchor::before,.doc h3 .anchor::before,.doc h4 .anchor::before,.doc h5 .anchor::before,.doc h6 .anchor::before {
  content:"\00a7"
}
.doc h1:hover .anchor,.doc h2:hover .anchor,.doc h3:hover .anchor,.doc h4:hover .anchor,.doc h5:hover .anchor,.doc h6:hover .anchor {
  visibility:visible
}
.doc dl,.doc p {
  margin:0
}
.doc a {
  color:#1565c0
}
.doc a:hover {
  color:#104d92
}
.doc a.bare {
  -ms-hyphens:none;
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}
.doc a.unresolved {
  color:#d32f2f
}
.doc i.fa {
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}
.doc .colist>table code,.doc p code,.doc thead code {
  color:#222;
  background:#fafafa;
  border-radius:.25em;
  font-size:.95em;
  padding:.125em .25em
}
.doc code,.doc pre {
  -ms-hyphens:none;
  hyphens:none
}
.doc pre {
  font-size:.88889rem;
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  margin:0
}
.doc blockquote {
  margin:0
}
.doc .paragraph.lead>p {
  font-size:1rem
}
.doc .right {
  float:right
}
.doc .left {
  float:left
}
.doc .float-gap.right {
  margin:0 1rem 1rem 0
}
.doc .float-gap.left {
  margin:0 0 1rem 1rem
}
.doc .float-group::after {
  content:"";
  display:table;
  clear:both
}
.doc .text-left {
  text-align:left
}
.doc .text-center {
  text-align:center
}
.doc .text-right {
  text-align:right
}
.doc .text-justify {
  text-align:justify
}
.doc .stretch {
  width:100%
}
.doc .big {
  font-size:larger
}
.doc .small {
  font-size:smaller
}
.doc .underline {
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}
.doc .line-through {
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}
.doc .dlist,.doc .exampleblock,.doc .hdlist,.doc .imageblock,.doc .listingblock,.doc .literalblock,.doc .olist,.doc .paragraph,.doc .partintro,.doc .quoteblock,.doc .sidebarblock,.doc .tabs,.doc .ulist,.doc .verseblock,.doc .videoblock,.doc details,.doc hr {
  margin:1rem 0 0
}
.doc .tablecontainer,.doc .tablecontainer+*,.doc:not(.tablecontainer)>table.tableblock,.doc:not(.tablecontainer)>table.tableblock+*,.doc>table.tableblock,.doc>table.tableblock+* {
  margin-top:1.5rem
}
.doc table.tableblock {
  font-size:.83333rem
}
.doc p.tableblock+p.tableblock {
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}
.doc table.tableblock pre {
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}
.doc td.tableblock>.content {
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}
.doc td.tableblock>.content>:first-child {
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}
.doc table.tableblock td,.doc table.tableblock th {
  padding:.5rem
}
.doc table.tableblock,.doc table.tableblock>*>tr>* {
  border:0 solid #e1e1e1
}
.doc table.grid-all>*>tr>* {
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}
.doc table.grid-cols>*>tr>* {
  border-width:0 1px
}
.doc table.grid-rows>*>tr>* {
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}
.doc table.grid-all>thead th,.doc table.grid-rows>thead th {
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}
.doc table.frame-all {
  border-width:1px
}
.doc table.frame-ends {
  border-width:1px 0
}
.doc table.frame-sides {
  border-width:0 1px
}
.doc table.frame-none>colgroup+*>:first-child>*,.doc table.frame-sides>colgroup+*>:first-child>* {
  border-top-width:0
}
.doc table.frame-sides>:last-child>:last-child>* {
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}
.doc table.frame-ends>*>tr>:first-child,.doc table.frame-none>*>tr>:first-child {
  border-left-width:0
}
.doc table.frame-ends>*>tr>:last-child,.doc table.frame-none>*>tr>:last-child {
  border-right-width:0
}
.doc table.stripes-all>tbody>tr,.doc table.stripes-even>tbody>tr:nth-of-type(2n),.doc table.stripes-hover>tbody>tr:hover,.doc table.stripes-odd>tbody>tr:nth-of-type(odd) {
  background:#fafafa
}
.doc table.tableblock>tfoot {
  background:-webkit-gradient(linear,left top,left bottom,from(#f0f0f0),to(#fff));
  background:linear-gradient(180deg,#f0f0f0 0,#fff)
}
.doc .halign-left {
  text-align:left
}
.doc .halign-right {
  text-align:right
}
.doc .halign-center {
  text-align:center
}
.doc .valign-top {
  vertical-align:top
}
.doc .valign-bottom {
  vertical-align:bottom
}
.doc .valign-middle {
  vertical-align:middle
}
.doc .admonitionblock {
  margin:1.4rem 0 0
}
.doc .admonitionblock p,.doc .admonitionblock td.content {
  font-size:.88889rem
}
.doc .admonitionblock td.content>.title+*,.doc .admonitionblock td.content>:not(.title):first-child {
  margin-top:0
}
.doc .admonitionblock td.content pre {
  font-size:.83333rem
}
.doc .admonitionblock>table {
  table-layout:fixed;
  position:relative;
  width:100%
}
.doc .admonitionblock td.content {
  padding:1rem 1rem .75rem;
  background:#fafafa;
  width:100%;
  word-wrap:anywhere
}
.doc .admonitionblock td.icon {
  font-size:.83333rem;
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  line-height:1;
  padding:0;
  position:absolute;
  top:0;
  -webkit-transform:translate(-.5rem,-50%);
  transform:translate(-.5rem,-50%)
}
.doc .admonitionblock td.icon i {
  -webkit-box-align:center;
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  border-radius:.45rem;
  display:-webkit-inline-box;
  display:-ms-inline-flexbox;
  display:inline-flex;
  -webkit-filter:initial;
  filter:none;
  height:1.25rem;
  padding:0 .5rem;
  vertical-align:initial;
  width:-webkit-fit-content;
  width:-moz-fit-content;
  width:fit-content
}
.doc .admonitionblock td.icon i::after {
  content:attr(title);
  font-weight:600;
  font-style:normal;
  text-transform:uppercase
}
.doc .admonitionblock td.icon i.icon-caution {
  background-color:#a0439c;
  color:#fff
}
.doc .admonitionblock td.icon i.icon-important {
  background-color:#d32f2f;
  color:#fff
}
.doc .admonitionblock td.icon i.icon-note {
  background-color:#217ee7;
  color:#fff
}
.doc .admonitionblock td.icon i.icon-tip {
  background-color:#41af46;
  color:#fff
}
.doc .admonitionblock td.icon i.icon-warning {
  background-color:#e18114;
  color:#fff
}
.doc .imageblock,.doc .videoblock {
  display:-webkit-box;
  display:-ms-flexbox;
  display:flex;
  -webkit-box-orient:vertical;
  -webkit-box-direction:normal;
  -ms-flex-direction:column;
  flex-direction:column;
  -webkit-box-align:center;
  -ms-flex-align:center;
  align-items:center
}
.doc .imageblock .content {
  -ms-flex-item-align:stretch;
  align-self:stretch;
  text-align:center
}
.doc .imageblock .content img {
  border: 1px solid #e1e1e1;
}
.doc .imageblock.text-left,.doc .videoblock.text-left {
  -webkit-box-align:start;
  -ms-flex-align:start;
  align-items:flex-start
}
.doc .imageblock.text-left .content {
  text-align:left
}
.doc .imageblock.text-right,.doc .videoblock.text-right {
  -webkit-box-align:end;
  -ms-flex-align:end;
  align-items:flex-end
}
.doc .imageblock.text-right .content {
  text-align:right
}
.doc .image>img,.doc .image>object,.doc .image>svg,.doc .imageblock img,.doc .imageblock object,.doc .imageblock svg {
  display:inline-block;
  height:auto;
  max-width:100%;
  vertical-align:middle
}
.doc .image:not(.left):not(.right)>img {
  margin-top:-.2em
}
.doc .videoblock iframe,.doc .videoblock video {
  max-width:100%;
  vertical-align:middle
}
#preamble .abstract blockquote {
  background:#f0f0f0;
  border-left:5px solid #e1e1e1;
  color:#4a4a4a;
  font-size:.88889rem;
  padding:.75em 1em
}
.doc .quoteblock,.doc .verseblock {
  background:#fafafa;
  border-left:5px solid #5d5d5d;
  color:#5d5d5d
}
.doc .quoteblock {
  padding:.25rem 2rem 1.25rem
}
.doc .quoteblock .attribution {
  color:#8e8e8e;
  font-size:.83333rem;
  margin-top:.75rem
}
.doc .quoteblock blockquote {
  margin-top:1rem
}
.doc .quoteblock .paragraph {
  font-style:italic
}
.doc .quoteblock cite {
  padding-left:1em
}
.doc .verseblock {
  font-size:1.15em;
  padding:1rem 2rem
}
.doc .verseblock pre {
  font-family:inherit;
  font-size:inherit
}
.doc ol,.doc ul {
  margin:0;
  padding:0 0 0 2rem
}
.doc ol.none,.doc ol.unnumbered,.doc ol.unstyled,.doc ul.checklist,.doc ul.no-bullet,.doc ul.none,.doc ul.unstyled {
  list-style-type:none
}
.doc ol.unnumbered,.doc ul.no-bullet {
  padding-left:1.25rem
}
.doc ol.unstyled,.doc ul.unstyled {
  padding-left:0
}
.doc ul.circle {
  list-style-type:circle
}
.doc ul.disc {
  list-style-type:disc
}
.doc ul.square {
  list-style-type:square
}
.doc ul.circle ul:not([class]),.doc ul.disc ul:not([class]),.doc ul.square ul:not([class]) {
  list-style:inherit
}
.doc ol.arabic {
  list-style-type:decimal
}
.doc ol.decimal {
  list-style-type:decimal-leading-zero
}
.doc ol.loweralpha {
  list-style-type:lower-alpha
}
.doc ol.upperalpha {
  list-style-type:upper-alpha
}
.doc ol.lowerroman {
  list-style-type:lower-roman
}
.doc ol.upperroman {
  list-style-type:upper-roman
}
.doc ol.lowergreek {
  list-style-type:lower-greek
}
.doc ul.checklist {
  padding-left:1.75rem
}
.doc ul.checklist p>i.fa-check-square-o:first-child,.doc ul.checklist p>i.fa-square-o:first-child {
  display:-webkit-inline-box;
  display:-ms-inline-flexbox;
  display:inline-flex;
  -webkit-box-pack:center;
  -ms-flex-pack:center;
  justify-content:center;
  width:1.25rem;
  margin-left:-1.25rem
}
.doc ul.checklist i.fa-check-square-o::before {
  content:"\2713"
}
.doc ul.checklist i.fa-square-o::before {
  content:"\274f"
}
.doc .dlist .dlist,.doc .dlist .olist,.doc .dlist .ulist,.doc .olist .dlist,.doc .olist .olist,.doc .olist .ulist,.doc .olist li+li,.doc .ulist .dlist,.doc .ulist .olist,.doc .ulist .ulist,.doc .ulist li+li {
  margin-top:.5rem
}
.doc .admonitionblock .listingblock,.doc .olist .listingblock,.doc .ulist .listingblock {
  padding:0
}
.doc .admonitionblock .title,.doc .exampleblock .title,.doc .imageblock .title,.doc .listingblock .title,.doc .literalblock .title,.doc .openblock .title,.doc .videoblock .title,.doc table.tableblock caption {
  color:#5d5d5d;
  font-size:.88889rem;
  font-style:italic;
  font-weight:600;
  -ms-hyphens:none;
  hyphens:none;
  letter-spacing:.01em;
  padding-bottom:.075rem
}
.doc table.tableblock caption {
  text-align:left
}
.doc .olist .title,.doc .ulist .title {
  font-style:italic;
  font-weight:600;
  margin-bottom:.25rem
}
.doc .imageblock .title,.doc .videoblock .title {
  margin-top:.5rem;
  padding-bottom:0
}
.doc details {
  margin-left:1rem
}
.doc details>summary {
  display:block;
  position:relative;
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  margin-bottom:.5rem
}
.doc details>summary::-webkit-details-marker {
  display:none
}
.doc details>summary::before {
  content:"";
  border:solid transparent;
  border-left:solid;
  border-width:.3em 0 .3em .5em;
  position:absolute;
  top:.5em;
  left:-1rem;
  -webkit-transform:translateX(15%);
  transform:translateX(15%)
}
.doc details[open]>summary::before {
  border-color:currentColor transparent transparent;
  border-width:.5rem .3rem 0;
  -webkit-transform:translateY(15%);
  transform:translateY(15%)
}
.doc details>summary::after {
  content:"";
  width:1rem;
  height:1em;
  position:absolute;
  top:.3em;
  left:-1rem
}
.doc details.result {
  margin-top:.25rem
}
.doc details.result>summary {
  color:#5d5d5d;
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  margin-bottom:0
}
.doc details.result>.content {
  margin-left:-1rem
}
.doc .exampleblock>.content,.doc details.result>.content {
  background:#fff;
  border:.25rem solid #5d5d5d;
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  padding:.75rem
}
.doc .exampleblock>.content::after,.doc details.result>.content::after {
  content:"";
  display:table;
  clear:both
}
.doc .exampleblock>.content>:first-child,.doc details>.content>:first-child {
  margin-top:0
}
.doc .sidebarblock {
  background:#e1e1e1;
  border-radius:.75rem;
  padding:.75rem 1.5rem
}
.doc .sidebarblock>.content>.title {
  font-size:1.25rem;
  font-weight:600;
  line-height:1.3;
  margin-bottom:.5rem;
  text-align:center
}
.doc .sidebarblock>.content>.title+*,.doc .sidebarblock>.content>:not(.title):first-child {
  margin-top:0
}
.doc .listingblock.wrap pre,.doc table.tableblock pre {
  white-space:pre-wrap
}
.doc .listingblock pre:not(.highlight),.doc .literalblock pre,.doc pre.highlight>code {
  background:#fafafa;
  -webkit-box-shadow:inset 0 0 1.75px #e1e1e1;
  box-shadow:inset 0 0 1.75px #e1e1e1;
  display:block;
  overflow-x:auto;
  padding:.875em
}
.doc .listingblock>.content {
  position:relative
}
.doc .source-toolbox {
  display:-webkit-box;
  display:-ms-flexbox;
  display:flex;
  visibility:hidden;
  position:absolute;
  top:.25rem;
  right:.5rem;
  color:grey;
  font-family:Roboto,sans-serif;
  font-size:.72222rem;
  line-height:1;
  -webkit-user-select:none;
  -moz-user-select:none;
  -ms-user-select:none;
  user-select:none;
  white-space:nowrap;
  z-index:1
}
.doc .listingblock:hover .source-toolbox {
  visibility:visible
}
.doc .source-toolbox .source-lang {
  text-transform:uppercase;
  letter-spacing:.075em
}
.doc .source-toolbox>:not(:last-child)::after {
  content:"|";
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  padding:0 1ch
}
.doc .source-toolbox .copy-button {
  display:-webkit-box;
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  display:flex;
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  -ms-flex-direction:column;
  flex-direction:column;
  -webkit-box-align:center;
  -ms-flex-align:center;
  align-items:center;
  background:none;
  border:none;
  color:inherit;
  outline:none;
  padding:0;
  font-size:inherit;
  line-height:inherit;
  width:1em;
  height:1em
}
.doc .source-toolbox .copy-icon {
  -webkit-box-flex:0;
  -ms-flex:none;
  flex:none;
  width:inherit;
  height:inherit
}
.doc .source-toolbox img.copy-icon {
  -webkit-filter:invert(50.2%);
  filter:invert(50.2%)
}
.doc .source-toolbox svg.copy-icon {
  fill:currentColor
}
.doc .source-toolbox .copy-toast {
  -webkit-box-flex:0;
  -ms-flex:none;
  flex:none;
  position:relative;
  display:-webkit-inline-box;
  display:-ms-inline-flexbox;
  display:inline-flex;
  -webkit-box-pack:center;
  -ms-flex-pack:center;
  justify-content:center;
  margin-top:1em;
  background-color:#333;
  border-radius:.25em;
  padding:.5em;
  color:#fff;
  cursor:auto;
  opacity:0;
  -webkit-transition:opacity .5s ease .5s;
  transition:opacity .5s ease .5s
}
.doc .source-toolbox .copy-toast::after {
  content:"";
  position:absolute;
  top:0;
  width:1em;
  height:1em;
  border:.55em solid transparent;
  border-left-color:#333;
  -webkit-transform:rotate(-90deg) translateX(50%) translateY(50%);
  transform:rotate(-90deg) translateX(50%) translateY(50%);
  -webkit-transform-origin:left;
  transform-origin:left
}
.doc .source-toolbox .copy-button.clicked .copy-toast {
  opacity:1;
  -webkit-transition:none;
  transition:none
}
.doc .language-console .hljs-meta {
  -webkit-user-select:none;
  -moz-user-select:none;
  -ms-user-select:none;
  user-select:none
}
.doc .dlist dt {
  font-style:italic
}
.doc .dlist dd {
  margin:0 0 0 1.5rem
}
.doc .dlist dd+dt,.doc .dlist dd>p:first-child {
  margin-top:.5rem
}
.doc td.hdlist1,.doc td.hdlist2 {
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}
.doc tr:first-child>.hdlist1,.doc tr:first-child>.hdlist2 {
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}
.doc td.hdlist1 {
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  padding-right:.25rem
}
.doc td.hdlist2 {
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}
.doc .colist {
  font-size:.88889rem;
  margin:.25rem 0 -.25rem
}
.doc .colist>table>tbody>tr>:first-child,.doc .colist>table>tr>:first-child {
  padding:.25em .5rem 0;
  vertical-align:top
}
.doc .colist>table>tbody>tr>:last-child,.doc .colist>table>tr>:last-child {
  padding:.25rem 0
}
.doc .conum[data-value] {
  border:1px solid;
  border-radius:100%;
  display:inline-block;
  font-family:Roboto,sans-serif;
  font-size:.75rem;
  font-style:normal;
  line-height:1.2;
  text-align:center;
  width:1.25em;
  height:1.25em;
  letter-spacing:-.25ex;
  text-indent:-.25ex
}
.doc .conum[data-value]::after {
  content:attr(data-value)
}
.doc .conum[data-value]+b {
  display:none
}
.doc hr {
  border:solid #e1e1e1;
  border-width:2px 0 0;
  height:0
}
.doc b.button {
  white-space:nowrap
}
.doc b.button::before {
  content:"[";
  padding-right:.25em
}
.doc b.button::after {
  content:"]";
  padding-left:.25em
}
.doc kbd {
  display:inline-block;
  font-size:.66667rem;
  background:#fafafa;
  border:1px solid #c1c1c1;
  border-radius:.25em;
  -webkit-box-shadow:0 1px 0 #c1c1c1,0 0 0 .1em #fff inset;
  box-shadow:0 1px 0 #c1c1c1,inset 0 0 0 .1em #fff;
  padding:.25em .5em;
  vertical-align:text-bottom;
  white-space:nowrap
}
.doc .keyseq,.doc kbd {
  line-height:1
}
.doc .keyseq {
  font-size:.88889rem
}
.doc .keyseq kbd {
  margin:0 .125em
}
.doc .keyseq kbd:first-child {
  margin-left:0
}
.doc .keyseq kbd:last-child {
  margin-right:0
}
.doc .menuseq,.doc .path {
  -ms-hyphens:none;
  hyphens:none
}
.doc .menuseq i.caret::before {
  content:"\203a";
  font-size:1.1em;
  font-weight:600;
  line-height:.90909
}
.doc:not(pre).nowrap {
  white-space:nowrap
}
.doc .nobreak {
  -ms-hyphens:none;
  hyphens:none;
  word-wrap:normal
}
.doc:not(pre).pre-wrap {
  white-space:pre-wrap
}
#footnotes {
  font-size:.85em;
  line-height:1.5;
  margin:2rem -.5rem 0
}
.doc td.tableblock>.content #footnotes {
  margin:2rem 0 0
}
#footnotes hr {
  border-top-width:1px;
  margin-top:0;
  width:20%
}
#footnotes .footnote {
  margin:.5em 0 0 1em
}
#footnotes .footnote+.footnote {
  margin-top:.25em
}
#footnotes .footnote>a:first-of-type {
  display:inline-block;
  margin-left:-2em;
  text-align:right;
  width:1.5em
}
nav.pagination {
  border-top:1px solid #e1e1e1;
  line-height:1;
  margin:2rem -1rem -1rem;
  padding:.75rem 1rem 0
}
nav.pagination,nav.pagination span {
  display:-webkit-box;
  display:-ms-flexbox;
  display:flex
}
nav.pagination span {
  -webkit-box-flex:50%;
  -ms-flex:50%;
  flex:50%;
  -webkit-box-orient:vertical;
  -webkit-box-direction:normal;
  -ms-flex-direction:column;
  flex-direction:column
}
nav.pagination .prev {
  padding-right:.5rem
}
nav.pagination .next {
  margin-left:auto;
  padding-left:.5rem;
  text-align:right
}
nav.pagination span::before {
  color:#8e8e8e;
  font-size:.75em;
  padding-bottom:.1em
}
nav.pagination .prev::before {
  content:"Prev"
}
nav.pagination .next::before {
  content:"Next"
}
nav.pagination a {
  font-weight:600;
  line-height:1.3;
  position:relative
}
nav.pagination a::after,nav.pagination a::before {
  color:#8e8e8e;
  font-weight:400;
  font-size:1.5em;
  line-height:.75;
  position:absolute;
  top:0;
  width:1rem
}
nav.pagination .prev a::before {
  content:"\2039";
  -webkit-transform:translateX(-100%);
  transform:translateX(-100%)
}
nav.pagination .next a::after {
  content:"\203a"
}
@media screen and (max-width:1023.5px) {
  html.is-clipped--navbar {
  overflow-y:hidden
}
}body {
  padding-top:3.5rem
}
/* 
NOTE: originally
  background:#191919;
  color:#fff;
*/
.navbar {
  background:#fff;
  color:#222;
  font-size:.88889rem;
  height:3.5rem;
  position:fixed;
  top:0;
  width:100%;
  z-index:4
}
.navbar a {
  text-decoration:none
}
.navbar-brand {
  display:-webkit-box;
  display:-ms-flexbox;
  display:flex;
  -webkit-box-flex:1;
  -ms-flex:auto;
  flex:auto;
  padding-left:1rem
}
/* 
NOTE: originally
  color:#fff;
*/
.navbar-brand .navbar-item {
  color:#222
}
.navbar-brand .navbar-item:first-child {
  -ms-flex-item-align:center;
  align-self:center;
  padding:0;
  font-size:1.22222rem;
  -ms-flex-wrap:wrap;
  flex-wrap:wrap;
  line-height:1
}
.navbar-brand .navbar-item:first-child a {
  color:inherit;
  word-wrap:normal
}
.navbar-brand .navbar-item:first-child:not(:last-child) {
  padding-right:.375rem
}
.navbar-brand .navbar-item.search {
  -webkit-box-flex:1;
  -ms-flex:auto;
  flex:auto;
  -webkit-box-pack:end;
  -ms-flex-pack:end;
  justify-content:flex-end
}
#search-input {
  color:#333;
  font-family:inherit;
  font-size:.95rem;
  width:150px;
  border:1px solid #dbdbdb;
  border-radius:.1em;
  line-height:1.5;
  padding:0 .25em
}
#search-input:disabled {
  background-color:#dbdbdb;
  cursor:not-allowed;
  pointer-events:all!important
}
#search-input:disabled::-webkit-input-placeholder {
  color:#4c4c4c
}
#search-input:disabled::-moz-placeholder {
  color:#4c4c4c
}
#search-input:disabled:-ms-input-placeholder {
  color:#4c4c4c
}
#search-input:disabled::-ms-input-placeholder {
  color:#4c4c4c
}
#search-input:disabled::placeholder {
  color:#4c4c4c
}
#search-input:focus {
  outline:none
}
.navbar-burger {
  background:none;
  border:none;
  outline:none;
  line-height:1;
  position:relative;
  width:3rem;
  padding:0;
  display:-webkit-box;
  display:-ms-flexbox;
  display:flex;
  -webkit-box-orient:vertical;
  -webkit-box-direction:normal;
  -ms-flex-direction:column;
  flex-direction:column;
  -webkit-box-align:center;
  -ms-flex-align:center;
  align-items:center;
  -webkit-box-pack:center;
  -ms-flex-pack:center;
  justify-content:center;
  margin-left:auto;
  min-width:0
}
.navbar-burger span {
  background-color:#fff;
  height:1.5px;
  width:1rem
}
.navbar-burger:not(.is-active) span {
  -webkit-transition:opacity 0s .25s,margin-top .25s ease-out .25s,-webkit-transform .25s ease-out;
  transition:opacity 0s .25s,margin-top .25s ease-out .25s,-webkit-transform .25s ease-out;
  transition:transform .25s ease-out,opacity 0s .25s,margin-top .25s ease-out .25s;
  transition:transform .25s ease-out,opacity 0s .25s,margin-top .25s ease-out .25s,-webkit-transform .25s ease-out
}
.navbar-burger span+span {
  margin-top:.25rem
}
.navbar-burger.is-active span+span {
  margin-top:-1.5px
}
.navbar-burger.is-active span:first-child {
  -webkit-transform:rotate(45deg);
  transform:rotate(45deg)
}
.navbar-burger.is-active span:nth-child(2) {
  opacity:0
}
.navbar-burger.is-active span:nth-child(3) {
  -webkit-transform:rotate(-45deg);
  transform:rotate(-45deg)
}
.navbar-item,.navbar-link {
  color:#222;
  display:block;
  line-height:1.6;
  padding:.5rem 1rem
}
.navbar-item.has-dropdown {
  padding:0
}
.navbar-item .icon {
  width:1.25rem;
  height:1.25rem;
  display:block
}
.navbar-item .icon img,.navbar-item .icon svg {
  fill:currentColor;
  width:inherit;
  height:inherit
}
.navbar-link {
  padding-right:2.5em
}
.navbar-dropdown .navbar-item {
  padding-left:1.5rem;
  padding-right:1.5rem
}
.navbar-dropdown .navbar-item.has-label {
  display:-webkit-box;
  display:-ms-flexbox;
  display:flex;
  -webkit-box-pack:justify;
  -ms-flex-pack:justify;
  justify-content:space-between
}
.navbar-dropdown .navbar-item small {
  color:#8e8e8e;
  font-size:.66667rem
}
.navbar-divider {
  background-color:#e1e1e1;
  border:none;
  height:1px;
  margin:.25rem 0
}
.navbar .button {
  display:-webkit-inline-box;
  display:-ms-inline-flexbox;
  display:inline-flex;
  -webkit-box-align:center;
  -ms-flex-align:center;
  align-items:center;
  background:#fff;
  border:1px solid #e1e1e1;
  border-radius:.15rem;
  height:1.75rem;
  color:#222;
  padding:0 .75em;
  white-space:nowrap
}
@media screen and (max-width:768.5px) {
  .navbar-brand .navbar-item.search {
  padding-left:0;
  padding-right:0
}
}@media screen and (min-width:769px) {
  #search-input {
  width:200px
}
}@media screen and (max-width:1023.5px) {
  .navbar-brand {
  height:inherit
}
.navbar-brand .navbar-item {
  -webkit-box-align:center;
  -ms-flex-align:center;
  align-items:center;
  display:-webkit-box;
  display:-ms-flexbox;
  display:flex
}
.navbar-menu {
  background:#fff;
  -webkit-box-shadow:0 8px 16px rgba(10,10,10,.1);
  box-shadow:0 8px 16px rgba(10,10,10,.1);
  max-height:calc(100vh - 3.5rem);
  overflow-y:auto;
  -ms-scroll-chaining:none;
  overscroll-behavior:none;
  padding:.5rem 0
}
.navbar-menu:not(.is-active) {
  display:none
}
.navbar-menu .navbar-link:hover,.navbar-menu a.navbar-item:hover {
  background:#f5f5f5
}
}@media screen and (min-width:1024px) {
  .navbar-burger {
  display:none
}
.navbar,.navbar-end,.navbar-item,.navbar-link,.navbar-menu {
  display:-webkit-box;
  display:-ms-flexbox;
  display:flex
}
.navbar-item,.navbar-link {
  position:relative;
  -webkit-box-flex:0;
  -ms-flex:none;
  flex:none
}
.navbar-item:not(.has-dropdown),.navbar-link {
  -webkit-box-align:center;
  -ms-flex-align:center;
  align-items:center
}
.navbar-item.is-hoverable:hover .navbar-dropdown {
  display:block
}
.navbar-link::after {
  border-width:0 0 1px 1px;
  border-style:solid;
  content:"";
  display:block;
  height:.5em;
  pointer-events:none;
  position:absolute;
  -webkit-transform:rotate(-45deg);
  transform:rotate(-45deg);
  width:.5em;
  margin-top:-.375em;
  right:1.125em;
  top:50%
}
.navbar-end .navbar-link,.navbar-end>.navbar-item {
  color:#fff
}
.navbar-end .navbar-item.has-dropdown:hover .navbar-link,.navbar-end .navbar-link:hover,.navbar-end>a.navbar-item:hover {
  background:#000;
  color:#fff
}
.navbar-end .navbar-link::after {
  border-color:currentColor
}
.navbar-dropdown {
  background:#fff;
  border:1px solid #e1e1e1;
  border-top:none;
  border-radius:0 0 .25rem .25rem;
  display:none;
  top:100%;
  left:0;
  min-width:100%;
  position:absolute
}
.navbar-dropdown .navbar-item {
  padding:.5rem 3rem .5rem 1rem;
  white-space:nowrap
}
.navbar-dropdown .navbar-item small {
  position:relative;
  right:-2rem
}
.navbar-dropdown .navbar-item:last-child {
  border-radius:inherit
}
.navbar-dropdown.is-right {
  left:auto;
  right:0
}
.navbar-dropdown a.navbar-item:hover {
  background:#f5f5f5
}
}footer.footer {
  background-color:#e1e1e1;
  color:#5d5d5d;
  font-size:.83333rem;
  line-height:1.6;
  padding:1.5rem
}
.footer p {
  margin:.5rem 0
}
.footer a {
  color:#191919
}
/*! Adapted from the GitHub style by Vasily Polovnyov <vast@whiteants.net> */.hljs-comment,.hljs-quote {
  color:#998;
  font-style:italic
}
.hljs-keyword,.hljs-selector-tag,.hljs-subst {
  color:#333;
  font-weight:600
}
.hljs-literal,.hljs-number,.hljs-tag .hljs-attr,.hljs-template-variable,.hljs-variable {
  color:teal
}
.hljs-doctag,.hljs-string {
  color:#d14
}
.hljs-section,.hljs-selector-id,.hljs-title {
  color:#900;
  font-weight:600
}
.hljs-subst {
  font-weight:400
}
.hljs-class .hljs-title,.hljs-type {
  color:#458;
  font-weight:600
}
.hljs-attribute,.hljs-name,.hljs-tag {
  color:navy;
  font-weight:400
}
.hljs-link,.hljs-regexp {
  color:#009926
}
.hljs-bullet,.hljs-symbol {
  color:#990073
}
.hljs-built_in,.hljs-builtin-name {
  color:#0086b3
}
.hljs-meta {
  color:#999;
  font-weight:600
}
.hljs-deletion {
  background:#fdd
}
.hljs-addition {
  background:#dfd
}
.hljs-emphasis {
  font-style:italic
}
.hljs-strong {
  font-weight:600
}
@page {
  margin:.5in
}
@media print {
  .hide-for-print {
  display:none!important
}
html {
  font-size:.9375em
}
a {
  color:inherit!important;
  text-decoration:underline
}
a.bare,a[href^="#"],a[href^="mailto:"] {
  text-decoration:none
}
img,object,svg,tr {
  page-break-inside:avoid
}
thead {
  display:table-header-group
}
pre {
  -ms-hyphens:none;
  hyphens:none;
  white-space:pre-wrap
}
body {
  padding-top:2rem
}
.navbar {
  background:none;
  color:inherit;
  position:absolute
}
.navbar * {
  color:inherit!important
}
.nav-container,.navbar>:not(.navbar-brand),.toolbar,aside.toc,nav.pagination {
  display:none
}
.doc {
  color:inherit;
  margin:auto;
  max-width:none;
  padding-bottom:2rem
}
.doc .admonitionblock td.icon {
  -webkit-print-color-adjust:exact;
  color-adjust:exact
}
.doc .listingblock code[data-lang]::before {
  display:block
}
footer.footer {
  background:none;
  border-top:1px solid #e1e1e1;
  color:#8e8e8e;
  padding:.25rem .5rem 0
}
.footer * {
  color:inherit
}
}