@font-face {
    font-family: Roboto;
    font-style: normal;
    font-weight: 400;
    src: local("Roboto Regular"), local("Roboto-Regular"), url(../font/roboto-latin-400.woff2) format("woff2"), url(../font/roboto-latin-400.woff) format("woff");
}
@font-face {
    font-family: Roboto;
    font-style: italic;
    font-weight: 400;
    src: local("Roboto Italic"), local("Roboto-Italic"), url(../font/roboto-latin-400italic.woff2) format("woff2"), url(../font/roboto-latin-400italic.woff) format("woff");
}
@font-face {
    font-family: Roboto;
    font-style: normal;
    font-weight: 500;
    src: local("Roboto Medium"), local("Roboto-Medium"), url(../font/roboto-latin-500.woff2) format("woff2"), url(../font/roboto-latin-500.woff) format("woff");
}
@font-face {
    font-family: Roboto;
    font-style: italic;
    font-weight: 500;
    src: local("Roboto Medium Italic"), local("Roboto-MediumItalic"), url(../font/roboto-latin-500italic.woff2) format("woff2"), url(../font/roboto-latin-500italic.woff) format("woff");
}
@font-face {
    font-family: Roboto Mono;
    font-style: normal;
    font-weight: 400;
    src: local("Roboto Mono Regular"), local("RobotoMono-Regular"), url(../font/roboto-mono-latin-400.woff2) format("woff2"), url(../font/roboto-mono-latin-400.woff) format("woff");
}
@font-face {
    font-family: Roboto Mono;
    font-style: normal;
    font-weight: 500;
    src: local("Roboto Mono Medium"), local("RobotoMono-Medium"), url(../font/roboto-mono-latin-500.woff2) format("woff2"), url(../font/roboto-mono-latin-500.woff) format("woff");
}
*,
::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%;
}
@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;
    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: 500;
}
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;
}
table {
    border-collapse: collapse;
    word-wrap: normal;
}
@supports (scrollbar-width: thin) {
    body * {
        scrollbar-width: thin;
        scrollbar-color: #c1c1c1 transparent;
    }
}
body ::-webkit-scrollbar {
    height: 0.25rem;
    width: 0.25rem;
}
body ::-webkit-scrollbar-thumb {
    background-color: #c1c1c1;
}
@media screen and (min-width: 1024px) {
    .body {
        display: -webkit-box;
        display: -ms-flexbox;
        display: flex;
    }
}
.nav-container {
    color: #555;
    position: fixed;
    top: 3.5rem;
    left: 0;
    width: 100%;
    font-size: 0.94444rem;
    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: 0.86111rem;
        -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: 0.5px 0 3px #c1c1c1;
        box-shadow: 0.5px 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 .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;
}
html.is-clipped--nav {
    overflow-y: hidden;
}
.nav-panel-menu {
    overflow-y: scroll;
}
.nav-panel-menu:not(.is-active) .nav-menu {
    opacity: 0.75;
}
.nav-panel-menu:not(.is-active)::after {
    content: "";
    background: rgba(0, 0, 0, 0.5);
    display: block;
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
}
.nav-menu {
    min-height: 100%;
    padding: 0.5rem 0.75rem 70px 0.75rem;
    line-height: 1.35;
    position: relative;
}
.nav-menu h3.title {
/*
    color: #424242;
    font-size: inherit;
    font-weight: 500;
    margin: 0;
    padding: 0.25em 0 0.125em;
*/
    display: none;
}
.nav-menu a {
    color: inherit;
}
.nav-list {
    margin: 0 0 0 0.75rem;
    padding: 0;
}
.nav-menu > .nav-list + .nav-list {
    margin-top: 0.5rem;
}
.nav-item {
    list-style: none;
    margin-top: 0.5em;
}
.nav-item-toggle ~ .nav-list {
    padding-bottom: 0.125rem;
}
.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;
    position: absolute;
    height: 1.35em;
    width: 1.35em;
    margin-top: -0.05em;
    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 {
    color: #060;
    font-weight: 500;
}

.nav-link a:hover {
  text-decoration: none;
  color: #060;
}

.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;
*/
    display: none;
}
.nav-panel-explore:not(:first-child) {
    top: auto;
    max-height: calc(50% + 2.5rem);
}
.nav-panel-explore .context {
    font-size: 0.83333rem;
    -ms-flex-negative: 0;
    flex-shrink: 0;
    color: #5d5d5d;
    -webkit-box-shadow: 0 -1px 0 #e1e1e1;
    box-shadow: 0 -1px 0 #e1e1e1;
    padding: 0 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;
    cursor: pointer;
    line-height: 1;
    height: 2.5rem;
}
.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: 0.75em;
}
.nav-panel-explore .components {
    line-height: 1.6;
    -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: 0.5rem 0.75rem 0;
    margin: 0;
    overflow-y: scroll;
    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: 0.5rem;
}
.nav-panel-explore .component:last-child {
    margin-bottom: 0.75rem;
}
.nav-panel-explore .component .title {
    font-weight: 500;
    color: inherit;
}
.nav-panel-explore .versions {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    list-style: none;
    padding-left: 0;
    margin-top: -0.25rem;
    line-height: 1;
}
.nav-panel-explore .component .version {
    display: block;
    margin: 0.375rem 0.375rem 0 0;
}
.nav-panel-explore .component .version a {
    border: 1px solid #c1c1c1;
    border-radius: 0.25rem;
    color: inherit;
    opacity: 0.75;
    white-space: nowrap;
    padding: 0.125em 0.25em;
    display: inherit;
}
.nav-panel-explore .component .is-current a {
    border-color: currentColor;
    opacity: 0.9;
    font-weight: 500;
}
@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: 0.83333rem;
    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: -0.25rem;
}
@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: 0.625rem;
}
.home-link.is-current,
.home-link:hover {
    background-image: url(../img/home.svg);
}
.edit-this-page {
    display: none;
    padding-right: 0.5rem;
}
@media screen and (min-width: 1024px) {
    .edit-this-page {
        display: none;
    }
}
.toolbar .edit-this-page a {
    color: #8e8e8e;
}
.breadcrumbs {
    display: none;
    -webkit-box-flex: 1;
    -ms-flex: 1 1;
    flex: 1 1;
    padding: 0 0.5rem 0 0.75rem;
    line-height: 1.35;
}
@media screen and (min-width: 1024px) {
    .breadcrumbs {
        display: block;
    }
}
a + .breadcrumbs {
    padding-left: 0.05rem;
}
.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 0.5rem;
}
.breadcrumbs li:last-of-type::after {
    content: none;
}
.page-versions {
    margin: 0 0.2rem 0 auto;
    position: relative;
    line-height: 1;
}
@media screen and (min-width: 1024px) {
    .page-versions {
        margin-right: 0.7rem;
    }
}
.page-versions .version-menu-toggle {
    color: inherit;
    background: url(../img/chevron.svg) no-repeat;
    background-position: right 0.5rem top 50%;
    background-size: auto 0.75em;
    border: none;
    outline: none;
    line-height: inherit;
    padding: 0.5rem 1.5rem 0.5rem 0.5rem;
    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 0.5rem 0.5rem;
    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: 0.5rem;
}
.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: 0.75rem;
    position: sticky;
    top: 6rem;
}
.toc .toc-menu h3 {
    color: #333;
    font-size: 0.88889rem;
    font-weight: 500;
    line-height: 1.3;
    margin: 0 -0.5px;
    padding-bottom: 0.25rem;
}
.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: 0.83333rem;
    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;
    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: 0.83333rem;
    }
    .toc .toc-menu ul {
        font-size: 0.75rem;
    }
}
.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: 0.25rem 0 0.25rem 0.5rem;
    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;
}
.toc .toc-menu .is-hidden-toc {
    display: none !important;
}
.doc {
    color: #333;
    font-size: inherit;
    -webkit-hyphens: auto;
    -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: 0.94444rem;
        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;
    -webkit-hyphens: none;
    -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;
    }
}
h1.page + aside.toc.embedded {
    margin-top: -0.5rem;
}
#preamble + .sect1,
.doc .sect1 + .sect1 {
    margin-top: 2rem;
}
.doc h1.sect0 {
    background: #f0f0f0;
    font-size: 1.8em;
    margin: 1.5rem -1rem 0;
    padding: 0.5rem 1rem;
}
.doc h2:not(.discrete) {
    border-bottom: 1px solid #e1e1e1;
    margin-left: -1rem;
    margin-right: -1rem;
    padding: 0.4rem 1rem 0.1rem;
}
.doc h3:not(.discrete) {
    font-weight: 500;
}
.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: 0.8em;
    font-weight: 400;
    padding-top: 0.05em;
}
.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 {
    -webkit-hyphens: none;
    -ms-hyphens: none;
    hyphens: none;
}
.doc a.unresolved {
    color: #d32f2f;
}
.doc i.fa {
    -webkit-hyphens: none;
    -ms-hyphens: none;
    hyphens: none;
    font-style: normal;
}
.doc p code,
.doc thead code {
    color: #222;
    background: #fafafa;
    border-radius: 0.25em;
    font-size: 0.95em;
    padding: 0.125em 0.25em;
}
.doc code,
.doc pre {
    -webkit-hyphens: none;
    -ms-hyphens: none;
    hyphens: none;
}
.doc pre {
    font-size: 0.88889rem;
    line-height: 1.5;
    margin: 0;
}
.doc blockquote {
    margin: 0;
}
.doc .paragraph.lead > p {
    font-size: 1rem;
}
.doc .right {
    float: right;
}
.doc .left {
    float: left;
}
.doc .stretch {
    width: 100%;
}
.doc .underline {
    text-decoration: underline;
}
.doc .line-through {
    text-decoration: line-through;
}
.doc .dlist,
.doc .exampleblock,
.doc .hdlist,
.doc .imageblock,
.doc .listingblock,
.doc .literalblock,
.doc .olist,
.doc .paragraph,
.doc .partintro,
.doc .quoteblock,
.doc .sidebarblock,
.doc .ulist,
.doc .verseblock,
.doc details,
.doc hr {
    margin: 1rem 0 0;
}
.doc table.tableblock {
    font-size: 0.83333rem;
    margin: 1.5rem 0 0;
}
.doc table.tableblock + * {
    margin-top: 1.5rem;
}
.doc td.tableblock > .content > :first-child {
    margin-top: 0;
}
.doc table.tableblock td,
.doc table.tableblock th {
    padding: 0.5rem;
}
.doc table.tableblock thead th {
    border-bottom: 2.5px solid #e1e1e1;
}
.doc table.tableblock > :not(thead) th,
.doc table.tableblock td {
    border-top: 1px solid #e1e1e1;
    border-bottom: 1px solid #e1e1e1;
}
.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: 0.88889rem;
}
.doc .admonitionblock td.content > .title + *,
.doc .admonitionblock td.content > :not(.title):first-child {
    margin-top: 0;
}
.doc .admonitionblock pre {
    font-size: 0.83333rem;
}
.doc .admonitionblock > table {
    table-layout: fixed;
    position: relative;
    width: 100%;
}
.doc .admonitionblock td.content {
    padding: 1rem 1rem 0.75rem;
    background: #fafafa;
    width: 100%;
    word-wrap: anywhere;
}
.doc .admonitionblock .icon {
    position: absolute;
    top: 0;
    left: 0;
    font-size: 0.83333rem;
    padding: 0 0.5rem;
    height: 1.25rem;
    line-height: 1;
    font-weight: 500;
    text-transform: uppercase;
    border-radius: 0.45rem;
    -webkit-transform: translate(-0.5rem, -50%);
    transform: translate(-0.5rem, -50%);
}
.doc .admonitionblock.caution .icon {
    background-color: #a0439c;
    color: #fff;
}
.doc .admonitionblock.important .icon {
    background-color: #d32f2f;
    color: #fff;
}
.doc .admonitionblock.note .icon {
    background-color: #217ee7;
    color: #fff;
}
.doc .admonitionblock.tip .icon {
    background-color: #41af46;
    color: #fff;
}
.doc .admonitionblock.warning .icon {
    background-color: #e18114;
    color: #fff;
}
.doc .admonitionblock .icon i {
    display: -webkit-inline-box;
    display: -ms-inline-flexbox;
    display: inline-flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    height: 100%;
}
.doc .admonitionblock .icon i::after {
    content: attr(title);
}
.doc .imageblock {
    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 .image > img,
.doc .imageblock img {
    display: inline-block;
    height: auto;
    max-width: 100%;
    vertical-align: middle;
}
.doc .image:not(.left):not(.right) > img {
    margin-top: -0.2em;
}
#preamble .abstract blockquote {
    background: #f0f0f0;
    border-left: 5px solid #e1e1e1;
    color: #4a4a4a;
    font-size: 0.88889rem;
    padding: 0.75em 1em;
}
.doc .quoteblock,
.doc .verseblock {
    background: #fafafa;
    border-left: 5px solid #5d5d5d;
    color: #5d5d5d;
}
.doc .quoteblock {
    padding: 0.25rem 2rem 1.25rem;
}
.doc .quoteblock .attribution {
    color: #8e8e8e;
    font-size: 0.83333rem;
    margin-top: 0.75rem;
}
.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,
.doc ul.disc,
.doc ul.square {
    list-style-type: square;
}
.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: 0.5rem;
}
.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;
}
.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 .ulist .dlist,
.doc .ulist .olist,
.doc .ulist .ulist {
    margin-top: 0.5rem;
}
.doc .olist li,
.doc .ulist li {
    margin-bottom: 0.5rem;
}
.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 .tableblock caption {
    color: #5d5d5d;
    font-size: 0.88889rem;
    font-weight: 500;
    font-style: italic;
    -webkit-hyphens: none;
    -ms-hyphens: none;
    hyphens: none;
    letter-spacing: 0.01em;
    padding-bottom: 0.075rem;
    text-align: left;
}
.doc .imageblock .title {
    margin-top: 0.5rem;
    padding-bottom: 0;
}
.doc .exampleblock > .content {
    background: #fff;
    border: 0.25rem solid #5d5d5d;
    border-radius: 0.5rem;
    padding: 0.75rem;
}
.doc .exampleblock > .content > :first-child {
    margin-top: 0;
}
.doc .sidebarblock {
    background: #e1e1e1;
    border-radius: 0.75rem;
    padding: 0.75rem 1.5rem;
}
.doc .sidebarblock > .content > .title {
    font-size: 1.25rem;
    font-weight: 500;
    line-height: 1.3;
    margin-bottom: -0.3em;
    text-align: center;
}
.doc .sidebarblock > .content > :not(.title):first-child {
    margin-top: 0;
}
.doc .listingblock.wrap pre,
.doc .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: 0.75rem;
}
.doc pre.highlight {
    position: relative;
}
.doc .source-toolbox {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    visibility: hidden;
    position: absolute;
    top: 0.25rem;
    right: 0.5rem;
    color: grey;
    font-family: Roboto, sans-serif;
    font-size: 0.75rem;
    line-height: 1;
}
.doc .listingblock:hover .source-toolbox {
    visibility: visible;
}
.doc .source-toolbox .source-lang {
    text-transform: uppercase;
    letter-spacing: 0.075em;
    font-size: 0.96em;
    line-height: 1.0425;
}
.doc .source-toolbox > :not(:last-child)::after {
    content: "|";
    letter-spacing: 0;
    padding: 0 1ch;
}
.doc .source-toolbox .copy-button {
    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;
    background: transparent;
    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: 0.25em;
    padding: 0.5em;
    color: #fff;
    cursor: auto;
    opacity: 0;
    -webkit-transition: opacity 0.5s ease 0.75s;
    transition: opacity 0.5s ease 0.75s;
}
.doc .source-toolbox .copy-toast::after {
    content: "";
    position: absolute;
    top: 0;
    width: 1em;
    height: 1em;
    border: 0.55em 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 0.25rem 1.5rem;
}
.doc .dlist dd:last-of-type {
    margin-bottom: 0;
}
.doc td.hdlist1,
.doc td.hdlist2 {
    padding: 0.5rem 0 0;
    vertical-align: top;
}
.doc tr:first-child > .hdlist1,
.doc tr:first-child > .hdlist2 {
    padding-top: 0;
}
.doc td.hdlist1 {
    font-weight: 500;
    padding-right: 0.25rem;
}
.doc td.hdlist2 {
    padding-left: 0.25rem;
}
.doc .colist {
    font-size: 0.88889rem;
    margin: 0.25rem 0 -0.25rem;
}
.doc .colist > table > tbody > tr > :first-child,
.doc .colist > table > tr > :first-child {
    padding: 0.25em 0.5rem 0;
    vertical-align: top;
}
.doc .colist > table > tbody > tr > :last-child,
.doc .colist > table > tr > :last-child {
    padding: 0.25rem 0;
}
.doc .conum[data-value] {
    border: 1px solid;
    border-radius: 100%;
    display: inline-block;
    font-family: Roboto, sans-serif;
    font-size: 0.75rem;
    font-style: normal;
    line-height: 1.2;
    text-align: center;
    width: 1.25em;
    height: 1.25em;
    letter-spacing: -0.25ex;
    text-indent: -0.25ex;
}
.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: 0.25em;
}
.doc b.button::after {
    content: "]";
    padding-left: 0.25em;
}
.doc kbd {
    display: inline-block;
    font-size: 0.66667rem;
    background: #fafafa;
    border: 1px solid #c1c1c1;
    border-radius: 0.25em;
    -webkit-box-shadow: 0 1px 0 #c1c1c1, 0 0 0 0.1em #fff inset;
    box-shadow: 0 1px 0 #c1c1c1, inset 0 0 0 0.1em #fff;
    padding: 0.25em 0.5em;
    vertical-align: text-bottom;
    white-space: nowrap;
}
.doc .keyseq,
.doc kbd {
    line-height: 1;
}
.doc .keyseq {
    font-size: 0.88889rem;
}
.doc .keyseq kbd {
    margin: 0 0.125em;
}
.doc .keyseq kbd:first-child {
    margin-left: 0;
}
.doc .keyseq kbd:last-child {
    margin-right: 0;
}
.doc .menuseq,
.doc .path {
    -webkit-hyphens: none;
    -ms-hyphens: none;
    hyphens: none;
}
.doc .menuseq i.caret::before {
    content: "\203a";
    font-size: 1.1em;
    font-weight: 500;
    line-height: 0.90909;
}
.doc .nowrap {
    white-space: nowrap;
}
.doc .nobreak {
    -webkit-hyphens: none;
    -ms-hyphens: none;
    hyphens: none;
    word-wrap: normal;
}
nav.pagination {
    border-top: 1px solid #e1e1e1;
    line-height: 1;
    margin: 2rem -1rem -1rem;
    padding: 0.75rem 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: 0.5rem;
}
nav.pagination .next {
    margin-left: auto;
    padding-left: 0.5rem;
    text-align: right;
}
nav.pagination span::before {
    color: #8e8e8e;
    font-size: 0.75em;
    padding-bottom: 0.1em;
}
nav.pagination .prev::before {
    content: "Prev";
}
nav.pagination .next::before {
    content: "Next";
}
nav.pagination a {
    font-weight: 500;
    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: 0.75;
    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";
}
html.is-clipped--navbar {
    overflow-y: hidden;
}
body {
    padding-top: 3.5rem;
}
.navbar {
    background: #060;
    color: #fff;
    font-size: 0.88889rem;
    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;
    padding-left: 1rem;
}
.navbar-brand .navbar-item:first-child,
.navbar-brand .navbar-item:first-child a {
    -ms-flex-item-align: center;
    align-self: center;
    padding: 0;
    color: #fff;
    font-size: 1.22222rem;
}
.navbar-brand .separator {
    padding: 0 0.375rem;
}
.navbar-burger {
    background: none;
    border: none;
    outline: none;
    line-height: 1;
    position: relative;
    width: 3rem;
    margin-left: auto;
    padding: 0;
    display: -webkit-box;
    display: -ms-flexbox;
    /*display: flex;*/
    display: none;
    -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;
    min-width: 0;
}
.navbar-burger span {
    background-color: #fff;
    height: 1.5px;
    width: 1rem;
}
.navbar-burger:not(.is-active) span {
    -webkit-transition: opacity 0s 0.25s, margin-top 0.25s ease-out 0.25s, -webkit-transform 0.25s ease-out;
    transition: opacity 0s 0.25s, margin-top 0.25s ease-out 0.25s, -webkit-transform 0.25s ease-out;
    transition: transform 0.25s ease-out, opacity 0s 0.25s, margin-top 0.25s ease-out 0.25s;
    transition: transform 0.25s ease-out, opacity 0s 0.25s, margin-top 0.25s ease-out 0.25s, -webkit-transform 0.25s ease-out;
}
.navbar-burger span + span {
    margin-top: 0.25rem;
}
.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: 0.5rem 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-divider {
    background-color: #e1e1e1;
    border: none;
    height: 1px;
    margin: 0.25rem 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: 0.15rem;
    height: 1.75rem;
    color: #222;
    padding: 0 0.75em;
    white-space: nowrap;
}
@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, 0.1);
        box-shadow: 0 8px 16px rgba(10, 10, 10, 0.1);
        max-height: calc(100vh - 3.5rem);
        overflow-y: auto;
        padding: 0.5rem 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-menu {
        display: -webkit-box;
        display: -ms-flexbox;
        display: flex;
    }
    .navbar-menu {
        -webkit-box-flex: 1;
        -ms-flex: auto;
        flex: auto;
    }
    .navbar-end {
        margin-left: auto;
    }
    .navbar-item,
    .navbar-link {
        display: -webkit-box;
        display: -ms-flexbox;
        display: flex;
        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: 0.5em;
        pointer-events: none;
        position: absolute;
        -webkit-transform: rotate(-45deg);
        transform: rotate(-45deg);
        width: 0.5em;
        margin-top: -0.375em;
        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 0.25rem 0.25rem;
        display: none;
        top: 100%;
        left: 0;
        min-width: 100%;
        position: absolute;
    }
    .navbar-dropdown .navbar-item {
        padding: 0.5rem 3rem 0.5rem 1rem;
        white-space: nowrap;
    }
    .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;
    bottom: 0;
    color: #5d5d5d;
    font-size: 0.83333rem;
    line-height: 1.6;
    padding: 0.5rem;
    padding-left: 1rem;
    padding-right: 1rem;
    position: fixed;
    width: 100vw;
    z-index: 9999;
}
.footer p {
    margin: 0.5rem 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: 500;
}
.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: 500;
}
.hljs-subst {
    font-weight: 400;
}
.hljs-class .hljs-title,
.hljs-type {
    color: #458;
    font-weight: 500;
}
.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: 500;
}
.hljs-deletion {
    background: #fdd;
}
.hljs-addition {
    background: #dfd;
}
.hljs-emphasis {
    font-style: italic;
}
.hljs-strong {
    font-weight: 500;
}
@page {
    margin: 0.5in;
}
@media print {
    .hide-for-print {
        display: none !important;
    }
    html {
        font-size: 0.9375em;
    }
    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 {
        -webkit-hyphens: none;
        -ms-hyphens: none;
        hyphens: none;
        white-space: pre-wrap;
    }
    body {
        padding-top: 2rem;
    }
    .navbar {
        background: none;
        color: inherit;
        position: absolute;
    }
    .navbar * {
        color: inherit !important;
    }
    #topbar-nav,
    .nav-container,
    .toolbar {
        display: none;
    }
    .doc {
        color: inherit;
        margin: auto;
        max-width: none;
        padding-bottom: 2rem;
    }
    .doc .listingblock code[data-lang]::before {
        display: block;
    }
    footer.footer {
        background: none;
        border-top: 1px solid #e1e1e1;
        color: #8e8e8e;
        padding: 0.5rem;
    }
    .footer * {
        color: inherit;
    }
}