html { line-height: 1.15; -webkit-text-size-adjust: 100%; } body { margin: 0; } main { display: block; } h1 { font-size: 2em; margin: 0.67em 0; } hr { box-sizing: content-box; height: 0; overflow: visible; } pre { font-family: monospace, monospace; font-size: 1em; } a { background-color: transparent; } abbr[title] { border-bottom: none; text-decoration: underline; text-decoration: underline dotted; } b, strong { font-weight: bolder; } code, kbd, samp { font-family: monospace, monospace; font-size: 1em; } small { font-size: 80%; } sub, sup { font-size: 75%; line-height: 0; position: relative; vertical-align: baseline; } sub { bottom: -0.25em; } sup { top: -0.5em; } img { border-style: none; } button, input, optgroup, select, textarea { font-family: inherit; font-size: 100%; line-height: 1.15; margin: 0; } button, input { overflow: visible; } button, select { text-transform: none; } button, [type="button"], [type="reset"], [type="submit"] { -webkit-appearance: button; } button::-moz-focus-inner, [type="button"]::-moz-focus-inner, [type="reset"]::-moz-focus-inner, [type="submit"]::-moz-focus-inner { border-style: none; padding: 0; } button:-moz-focusring, [type="button"]:-moz-focusring, [type="reset"]:-moz-focusring, [type="submit"]:-moz-focusring { outline: 1px dotted ButtonText; } fieldset { padding: 0.35em 0.75em 0.625em; } legend { box-sizing: border-box; color: inherit; display: table; max-width: 100%; padding: 0; white-space: normal; } progress { vertical-align: baseline; } textarea { overflow: auto; } [type="checkbox"], [type="radio"] { box-sizing: border-box; padding: 0; } [type="number"]::-webkit-inner-spin-button, [type="number"]::-webkit-outer-spin-button { height: auto; } [type="search"] { -webkit-appearance: textfield; outline-offset: -2px; } [type="search"]::-webkit-search-decoration { -webkit-appearance: none; } ::-webkit-file-upload-button { -webkit-appearance: button; font: inherit; } details { display: block; } summary { display: list-item; } template { display: none; } [hidden] { display: none; } :root { --font-family-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji"; --font-family-serif: Georgia, Cambria, "Times New Roman", Times, serif; --font-family-monospace: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace; --font-body: var(--font-family-sans); --font-heading: var(--font-family-sans); --font-subheading: var(--font-family-serif); --font-heading-weight: 300; --background: #fff; --background-panel: #fafafa; --text: rgba(0, 0, 0, 0.87); --text-secondary: rgba(0, 0, 0, 0.54); --text-disabled: rgba(0, 0, 0, 0.38); --link: #3f51b5; --link-hover: #3f51b5; --border: rgba(0, 0, 0, 0.06); --divider: rgba(0, 0, 0, 0.12); --h1-font-size: 2.5em; --h2-font-size: 2em; --h3-font-size: 1.75em; --h4-font-size: 1.5em; --h5-font-size: 1.25em; --h6-font-size: 1em; --code-text: var(--text); --code-background: rgba(255, 230, 102, 0.2); --tip: rgb(76, 174, 79); --tip-border: rgba(76, 174, 79, 0.4); --tip-background: rgba(76, 174, 79, 0.1); --note: rgb(32, 148, 243); --note-border: rgba(32, 148, 243, 0.4); --note-background: rgba(32, 148, 243, 0.1); --caution: rgb(211, 49, 49); --caution-border: rgba(211, 49, 49, 0.4); --caution-background: rgba(211, 49, 49, 0.1); --important: rgb(244, 64, 52); --important-border: rgba(244, 64, 52, 0.4); --important-background: rgba(244, 64, 52, 0.1); --warning: rgb(255, 153, 0); --warning-border: rgba(255, 153, 0, 0.4); --warning-background: rgba(255, 153, 0, 0.1); --hljs-color: #383a42; --hljs-background: #fafafa; --hljs-comment: #a0a1a7; --hljs-keyword: #a626a4; --hljs-section: #e45649; --hljs-literal: #0184bb; --hljs-string: #50a14f; --hljs-built-in: #c18401; --hljs-variable: #986801; --hljs-symbol: #4078f2; } html[data-theme="dark"] { --link: #f48fb1; --link-hover: #f48fb1; --text: #fff; --text-secondary: rgba(255, 255, 255, 0.7); --background: #303030; --background-panel: rgba(0, 0, 0, 0.2); --border: rgba(255, 255, 255, 0.12); --divider: rgba(255, 255, 255, 0.12); --code-text: var(--text); --code-background: rgba(255, 229, 100, 0.2); --tip-background: rgba(76, 174, 79, 0.05); --note-background: rgba(32, 148, 243, 0.05); --caution-background: rgba(211, 49, 49, 0.05); --important-background: rgba(244, 64, 52, 0.05); --warning-background: rgba(255, 153, 0, 0.05); --hljs-color: #abb2bf; --hljs-background: #282c34; --hljs-background: var(--background-panel); --hljs-comment: #5c6370; --hljs-keyword: #c678dd; --hljs-section: #e06c75; --hljs-literal: #56b6c2; --hljs-string: #98c379; --hljs-built-in: #e6c07b; --hljs-variable: #d19a66; --hljs-symbol: #61aeee; } body { font-family: var(--font-body); font-size: 1rem; line-height: 1.5; background-color: var(--background); color: var(--text); } @media screen and (min-width: 768px) { body.toc2 { padding-left: 15em; padding-right: 0; } #toc.toc2 { position: fixed; top: 0; left: 0; width: 15em; height: 100%; overflow: auto; border-top: none !important; border-right: 1px solid var(--divider); background-color: var(--background-panel); padding: 1em 1em 0 1em; box-sizing: border-box; } body.toc2.toc-right { padding-left: 0; padding-right: 15em; } body.toc2.toc-right #toc.toc2 { border-right: none !important; border-left: 1px solid var(--divider); left: auto; right: 0; } } @media screen and (min-width: 1280px) { body.toc2 { padding-left: 20em; padding-right: 0; } #toc.toc2 { width: 20em; } body.toc2.toc-right { padding-left: 0; padding-right: 20em; } } h1, h2, h3, h4, #toctitle, h5, h6 { font-family: var(--font-heading); font-weight: var(--font-heading-weight); } h1 { font-size: var(--h1-font-size); } h2 { font-size: var(--h2-font-size); } h3 { font-size: var(--h3-font-size); } h4, #toctitle { font-size: var(--h4-font-size); } h5 { font-size: var(--h5-font-size); } h6 { font-size: var(--h6-font-size); } hr { border: 0; border-bottom: 1px solid var(--divider); margin: 1em 0; } pre, code { font-family: var(--font-family-monospace); } img, object, svg { display: inline-block; vertical-align: middle; } em em { font-style: normal; } strong strong { font-weight: normal; } a { color: var(--link); text-decoration: none; } a:hover { color: var(--link-hover); text-decoration: underline; } #header, #content, #footnotes { max-width: 100%; margin-left: auto; margin-right: auto; } @media screen and (min-width: 768px) { #header, #content, #footnotes { max-width: 60em; } } #header { border-bottom: 1px solid var(--border); } #header > h1:first-child { color: var(--text); margin-bottom: 0; } #header #toc { border-top: 1px solid var(--border); padding-top: 1em; } #header #toc ul { list-style: none; padding-left: 1.25em; } #header #toc > ul { margin-left: 0; padding-left: 0; } #header #toc a { text-decoration: none; } #header #toc a:active { text-decoration: underline; } #header .details { display: flex; flex-flow: row wrap; padding-bottom: 0.25em; color: var(--text-secondary); } #header .details span.email a { color: var(--text); } #header .details br { display: none; } #header .details br + span:before { content: "\00a0\2013\00a0"; } #header .details br + span.author:before { content: "\00a0\22c5\00a0"; color: var(--text-secondary); } #header .details br + span#revremark:before { content: "\00a0|\00a0"; } #header #revnumber { text-transform: capitalize; } #header #revnumber:after { content: "\00a0"; } #content #toc { background: var(--background-panel); border: 1px solid var(--border); border-radius: 4px; margin-bottom: 1.25em; padding: 1.25em; } #content #toc > :first-child { margin-top: 0; } #content #toc > :last-child { margin-bottom: 0; } #footnotes hr { width: 7em; margin-bottom: 0.5em; } #footnotes .footnote { font-size: 0.9em; } #footer { max-width: 100%; background: rgba(0, 0, 0, 0.8); padding: 1em; margin-top: 1em; } #footer-text { color: rgba(255, 255, 255, 0.8); } .sect1 > h2 { border-bottom: 1px solid var(--divider); padding-bottom: 0.3rem; } h1 > a.anchor, h2 > a.anchor, h3 > a.anchor, h5 > a.anchor, h6 > a.anchor, #toctitle > a.anchor, .content > .title > a.anchor { position: absolute; display: inline-block; width: 2ex; margin-left: -2ex; text-decoration: none !important; visibility: hidden; text-align: center; font-weight: normal; font-size: 0.85em; margin-top: 0.15em; } h1 > a.anchor:before, h2 > a.anchor:before, h3 > a.anchor:before, h5 > a.anchor:before, h6 > a.anchor:before, #toctitle > a.anchor:before, .content > .title > a.anchor:before { content: "#"; display: block; } h1:hover > a.anchor, h1 > a.anchor:hover, h2:hover > a.anchor, h2 > a.anchor:hover, h3:hover > a.anchor, h3 > a.anchor:hover, h5:hover > a.anchor, h5 > a.anchor:hover, h6:hover > a.anchor, h6 > a.anchor:hover, #toctitle:hover > a.anchor, #toctitle > a.anchor:hover, .content > .title:hover > a.anchor, .content > .title > a.anchor:hover { visibility: visible; } h1 > a.link, h2 > a.link, h3 > a.link, h5 > a.link, h6 > a.link, #toctitle > a.link, .content > .title > a.link { text-decoration: none; } :not(pre) > code { font-size: 0.93em; font-style: normal !important; letter-spacing: 0; padding: 0.2em 0.5ex 0.1em 0.5ex; word-spacing: -0.15em; border-radius: 4px; line-height: 1.4; text-rendering: optimizeSpeed; word-wrap: break-word; background-color: var(--code-background); color: var(--code-text); background-color: var(--code-background); color: var(--code-text); } :not(pre) > code.nobreak { word-wrap: normal; } :not(pre) > code.nowrap { white-space: nowrap; } pre { line-height: 1.4; } pre > code { display: block; } pre .nowrap, pre .nowrap pre { white-space: pre; word-wrap: normal; } table { background: var(--background); margin-bottom: 1.25em; border: 1px solid var(--border); border-spacing: 0; } table thead, table tfoot { background: var(--background); font-weight: var(--font-weight-medium, 500); } table thead tr th, table thead tr td, table tfoot tr th, table tfoot tr td { padding: 0.5em 0.625em 0.625em; font-size: inherit; color: var(--text-secondary); text-align: left; } table tr th, table tr td { padding: 0.5625em 0.625em; font-size: inherit; color: var(--text); } table tr.even, table tr.alt { background: rgba(0, 0, 0, 0.04); } table thead tr th, table tfoot tr th, table tbody tr td, table tr td, table tfoot tr td { display: table-cell; line-height: 1.6; } table.tableblock { max-width: 100%; border-collapse: separate; } p.tableblock { margin-top: 0; } p.tableblock:last-child { margin-bottom: 0; } td.tableblock > .content { margin-bottom: 1.25em; } td.tableblock > .content > :last-child { margin-bottom: -1.25em; } table.tableblock, th.tableblock, td.tableblock { border: 0 solid var(--border); } table.grid-all > thead > tr > .tableblock, table.grid-all > tbody > tr > .tableblock { border-width: 0 1px 1px 0; } table.grid-all > tfoot > tr > .tableblock { border-width: 1px 1px 0 0; } table.grid-cols > * > tr > .tableblock { border-width: 0 1px 0 0; } table.grid-rows > thead > tr > .tableblock, table.grid-rows > tbody > tr > .tableblock { border-width: 0 0 1px 0; } table.grid-rows > tfoot > tr > .tableblock { border-width: 1px 0 0 0; } table.grid-all > * > tr > .tableblock:last-child, table.grid-cols > * > tr > .tableblock:last-child { border-right-width: 0; } table.grid-all > tbody > tr:last-child > .tableblock, table.grid-all > thead:last-child > tr > .tableblock, table.grid-rows > tbody > tr:last-child > .tableblock, table.grid-rows > thead:last-child > tr > .tableblock { border-bottom-width: 0; } table.frame-all { border-width: 1px; } table.frame-sides { border-width: 0 1px; } table.frame-topbot, table.frame-ends { border-width: 1px 0; } table.stripes-all tr, table.stripes-odd tr:nth-of-type(odd), table.stripes-even tr:nth-of-type(even), table.stripes-hover tr:hover { background: rgba(0, 0, 0, 0.04); } th.halign-left, td.halign-left { text-align: left; } th.halign-right, td.halign-right { text-align: right; } th.halign-center, td.halign-center { text-align: center; } th.valign-top, td.valign-top { vertical-align: top; } th.valign-bottom, td.valign-bottom { vertical-align: bottom; } th.valign-middle, td.valign-middle { vertical-align: middle; } table thead th, table tfoot th { font-weight: var(--font-weight-medium); } tbody tr th { display: table-cell; line-height: 1.6; background: var(--background); } tbody tr th, tbody tr th p, tfoot tr th, tfoot tr th p { color: var(--text-secondary); font-weight: var(--font-weight-medium); } p.tableblock > code:only-child { background: none; padding: 0; } p.tableblock { font-size: 1em; } details, .audioblock, .imageblock, .literalblock, .listingblock, .stemblock, .videoblock { margin-bottom: 1em; } .admonitionblock td.content > .title, .audioblock > .title, .exampleblock > .title, .imageblock > .title, .listingblock > .title, .literalblock > .title, .stemblock > .title, .openblock > .title, .paragraph > .title, .quoteblock > .title, table.tableblock > .title, .verseblock > .title, .videoblock > .title, .dlist > .title, .olist > .title, .ulist > .title, .qlist > .title, .hdlist > .title { color: var(--text-secondary); text-align: left; font-family: var(--font-subheading); font-weight: var(--font-heading-weight); font-size: 1rem; font-style: italic; } .paragraph.lead > p, #preamble > .sectionbody > [class="paragraph"]:first-of-type p { font-size: 1.2rem; line-height: 1.6; color: var(--text); } .exampleblock > .content { background: var(--background-panel); border: 1px solid var(--border); border-radius: 4px; margin-bottom: 1.25em; padding: 1.25em; } .exampleblock > .content > :first-child { margin-top: 0; } .exampleblock > .content > :last-child { margin-bottom: 0; } .sidebarblock { background: var(--background-panel); border: 1px solid var(--border); border-radius: 4px; margin-bottom: 1.25em; padding: 1.25em; } .sidebarblock > :first-child { margin-top: 0; } .sidebarblock > :last-child { margin-bottom: 0; } .sidebarblock > .content > .title { font-size: 1rem; font-weight: bold; text-transform: uppercase; text-align: left; color: var(--text-secondary); margin-top: 0; margin-bottom: 1rem; } :not(.openblock) > .content .paragraph:first-child > p:first-child { margin-top: 0; } :not(.openblock) > .content .paragraph:last-child > p:last-child { margin-bottom: 0; } .literalblock pre, .listingblock > .content > pre { border: 1px solid var(--border); border-radius: 4px; word-wrap: break-word; overflow-x: auto; padding: 1rem; font-size: 0.9rem; } .literalblock pre, .listingblock > .content > pre:not(.highlight), .listingblock > .content > pre[class="highlight"], .listingblock > .content > pre[class^="highlight "] { background: var(--background-panel); } .listingblock > .content { position: relative; } .listingblock code[data-lang]:before { display: none; content: attr(data-lang); position: absolute; font-size: 0.8rem; top: 0.425rem; right: 0.5rem; line-height: 1; text-transform: uppercase; color: inherit; opacity: 0.5; } .listingblock:hover code[data-lang]:before { display: block; } .quoteblock, .verseblock { margin: 1.25em 0; padding-left: 1.25em; border-left: 6px solid var(--divider); } .quoteblock .attribution, .verseblock .attribution { font-size: 0.9rem; line-height: 1.45; font-style: italic; } .quoteblock .attribution br, .verseblock .attribution br { display: none; } .quoteblock .attribution cite, .verseblock .attribution cite { display: block; letter-spacing: -0.025em; color: var(--text-secondary); } .quoteblock blockquote { margin: 1em 0; padding: 0; border: none; } .quoteblock blockquote, .quoteblock p { font-style: italic; } .verseblock pre { font-family: var(--font-body); font-style: italic; font-weight: 300; } .verseblock pre strong { font-weight: 400; } .admonitionblock { border-left: 6px solid var(--divider); border-radius: 4px; background-color: var(--background-panel); } .admonitionblock table { border: 0; border-collapse: collapse; background: transparent; } .admonitionblock td.icon { position: absolute; font-weight: bold; text-transform: uppercase; padding: 1rem; } .admonitionblock td.icon i::after { content: attr(title); font-family: var(--font-body); font-weight: bold; font-size: 1rem; } .admonitionblock td.content { padding: 3rem 1rem 1rem; } .admonitionblock.note { border-color: var(--note-border); background-color: var(--note-background); } .admonitionblock.note td.icon { color: var(--note); } .admonitionblock.tip { border-color: var(--tip-border); background-color: var(--tip-background); } .admonitionblock.tip td.icon { color: var(--tip); } .admonitionblock.warning { border-color: var(--warning-border); background-color: var(--warning-background); } .admonitionblock.warning td.icon { color: var(--warning); } .admonitionblock.caution { border-color: var(--caution-border); background-color: var(--caution-background); } .admonitionblock.caution td.icon { color: var(--caution); } .admonitionblock.important { border-color: var(--important-border); background-color: var(--important-background); } .admonitionblock.important td.icon { color: var(--important); } ol, ul { padding-left: 1.25em; } dl dt { font-weight: bold; } dl dd { margin-left: 1.25em; } dl dd > :first-child { margin-top: 0.5em; } ul.checklist { list-style-type: none; padding-left: 0; margin-left: 0.625em; } ul.checklist li > p:first-child > .fa-square-o:first-child, ul.checklist li > p:first-child > .fa-check-square-o:first-child { width: 1.25em; font-size: 0.8em; position: relative; bottom: 0.125em; } ul.checklist li > p:first-child > input[type="checkbox"]:first-child { margin-right: 0.25em; } .hdlist > table, .colist > table { border: 0; background: none; } .hdlist > table > tbody > tr, .colist > table > tbody > tr { background: none; } td.hdlist1, td.hdlist2 { vertical-align: top; } td.hdlist1 { font-weight: bold; } td.hdlist2 :first-child { margin-top: 0; } td.hdlist2 :last-child { margin-bottom: 0; } .literalblock + .colist, .listingblock + .colist { margin-top: -0.5em; } .colist td:not([class]):first-child { padding: 0.4em 0.75em 0 0.75em; line-height: 1; vertical-align: top; } .colist td:not([class]):first-child img { max-width: none; } .colist td:not([class]):last-child { padding: 0.25em 0; } .keyseq, .menuseq, .menuref { color: var(--text-secondary); } kbd { display: inline-block; font-family: var(--font-family-monospace); font-size: 0.75em; line-height: 1.45; margin: 0 0.15em; padding: 0.2em 0.5em; color: var(--text-secondary); background-color: var(--background-panel); border: 1px solid var(--border); border-radius: 4px; box-shadow: 0 1px 0 var(--border), 0 0 0 0.1em var(--background-panel) inset; vertical-align: middle; position: relative; top: -0.1em; white-space: nowrap; } .keyseq kbd:first-child { margin-left: 0; } .keyseq kbd:last-child { margin-right: 0; } .menuseq b:not(.caret), .menuref { font-weight: inherit; } .menuseq { word-spacing: -0.02em; } .menuseq b.caret { font-size: 1.25em; line-height: 0.8; } .menuseq i.caret { font-weight: bold; text-align: center; width: 0.45em; } b.button:before, b.button:after { position: relative; top: -1px; font-weight: normal; } b.button:before { content: "["; padding: 0 3px 0 2px; } b.button:after { content: "]"; padding: 0 2px 0 3px; } .left { float: left !important; } .right { float: right !important; } .text-left { text-align: left !important; } .text-right { text-align: right !important; } .text-center { text-align: center !important; } .text-justify { text-align: justify !important; } .hide { display: none; } .center { margin-left: auto; margin-right: auto; } .stretch { width: 100%; } .unbreakable { page-break-inside: avoid; } .big { font-size: larger; } .small { font-size: smaller; } .underline { text-decoration: underline; } .overline { text-decoration: overline; } .line-through { text-decoration: line-through; } .aqua { color: var(--aqua, #00bfbf); } .aqua-background { background-color: var(--aqua-background, #00fafa); } .black { color: var(--black, black); } .black-background { background-color: var(--black-background, black); } .blue { color: var(--blue, #0000bf); } .blue-background { background-color: var(--blue-background, #0000fa); } .fuchsia { color: var(--fuchsia, #bf00bf); } .fuchsia-background { background-color: var(--fuchsia-background, #fa00fa); } .gray { color: var(--gray, #606060); } .gray-background { background-color: var(--gray-background, #7d7d7d); } .green { color: var(--green, #006000); } .green-background { background-color: var(--green-background, #007d00); } .lime { color: var(--lime, #00bf00); } .lime-background { background-color: var(--lime-background, #00fa00); } .maroon { color: var(--maroon, #600000); } .maroon-background { background-color: var(--maroon-background, #7d0000); } .navy { color: var(--navy, #000060); } .navy-background { background-color: var(--navy-background, #00007d); } .olive { color: var(--olive, #606000); } .olive-background { background-color: var(--olive-background, #7d7d00); } .purple { color: var(--purple, #600060); } .purple-background { background-color: var(--purple-background, #7d007d); } .red { color: var(--red, #bf0000); } .red-background { background-color: var(--red-background, #fa0000); } .silver { color: var(--silver, #909090); } .silver-background { background-color: var(--silver-background, #bcbcbc); } .teal { color: var(--teal, #006060); } .teal-background { background-color: var(--teal-background, #007d7d); } .white { color: var(--white, #bfbfbf); } .white-background { background-color: var(--white-background, #fafafa); } .yellow { color: var(--yellow, #bfbf00); } .yellow-background { background-color: var(--yellow-background, #fafa00); } span.icon > .fa { cursor: default; } a span.icon > .fa { cursor: inherit; } .conum[data-value] { display: inline-block; color: var(--background) !important; background-color: var(--text); border-radius: 50%; text-align: center; font-size: 0.75em; width: 1.67em; height: 1.67em; line-height: 1.67em; font-family: var(--font-body); font-style: normal; font-weight: 500; } .conum[data-value] * { color: var(--text) !important; } .conum[data-value] + b { display: none; } .conum[data-value]:after { content: attr(data-value); } pre .conum[data-value] { position: relative; top: -0.125em; } b.conum * { color: inherit !important; } .conum:not([data-value]):empty { display: none; } .hljs { display: block; overflow-x: auto; color: var(--hljs-color); background: var(--hljs-background); } .hljs-comment, .hljs-quote { color: var(--hljs-comment); font-style: italic; } .hljs-doctag, .hljs-keyword, .hljs-formula { color: var(--hljs-keyword); } .hljs-section, .hljs-name, .hljs-selector-tag, .hljs-deletion, .hljs-subst { color: var(--hljs-section); } .hljs-literal { color: var(--hljs-literal); } .hljs-string, .hljs-regexp, .hljs-addition, .hljs-attribute, .hljs-meta-string { color: var(--hljs-string); } .hljs-built_in, .hljs-class .hljs-title { color: var(--hljs-built-in); } .hljs-attr, .hljs-variable, .hljs-template-variable, .hljs-type, .hljs-selector-class, .hljs-selector-attr, .hljs-selector-pseudo, .hljs-number { color: var(--hljs-variable); } .hljs-symbol, .hljs-bullet, .hljs-link, .hljs-meta, .hljs-selector-id, .hljs-title { color: var(--hljs-symbol); } .hljs-emphasis { font-style: italic; } .hljs-strong { font-weight: bold; } .hljs-link { text-decoration: underline; } .print-only { display: none !important; } @media print { * { box-shadow: none; text-shadow: none !important; } html { font-size: 80%; } a { color: inherit !important; text-decoration: underline !important; } abbr[title]:after { content: " (" attr(title) ")"; } pre, blockquote, tr, img, object, svg { page-break-inside: avoid; } thead { display: table-header-group; } image, object, embed, svg { max-width: 100%; } p, blockquote, dt, td.content { font-size: 1em; orphans: 3; widows: 3; } h2, h3, #toctitle, .sidebarblock > .content > .title { page-break-after: avoid; } #toc, .sidebarblock, .exampleblock > .content { background: none !important; } .admonitionblock, .quoteblock, .verseblock { page-break-inside: avoid; } #header, #content, #footnotes { padding: 0 1.5rem; } }