:root{--sans-font: -apple-system, BlinkMacSystemFont, "Avenir Next", Avenir, "Nimbus Sans L", Roboto, "Noto Sans", "Segoe UI", Arial, Helvetica, "Helvetica Neue", sans-serif;--serif-font: ui-serif, Georgia, Cambria, "Times New Roman", Times, serif;--mono-font: Consolas, Menlo, Monaco, "Andale Mono", "Ubuntu Mono", monospace;--standard-border-radius: 5px;--border-width: 1px;--bg: #fff;--accent-bg: #f5f7ff;--text: #212121;--text-light: #585858;--border: #898EA4;--accent: #0d47a1;--accent-hover: #1266e2;--accent-text: var(--bg);--code: #d81b60;--preformatted: #444;--marked: #ffdd33;--disabled: #efefef}@media(prefers-color-scheme:dark){:root{color-scheme:dark;--bg: #212121;--accent-bg: #2b2b2b;--text: #dcdcdc;--text-light: #ababab;--accent: #ffb300;--accent-hover: #ffe099;--accent-text: var(--bg);--code: #f06292;--preformatted: #ccc;--disabled: #111}img,video{opacity:.8}}*,*:before,*:after{box-sizing:border-box}textarea,select,input,progress{appearance:none;-webkit-appearance:none;-moz-appearance:none}html{font-family:var(--sans-font);scroll-behavior:smooth}body{color:var(--text);background-color:var(--bg);font-size:1.15rem;line-height:1.5;display:grid;grid-template-columns:1fr min(45rem,90%) 1fr;margin:0}body>*{grid-column:2}body>header{background-color:var(--accent-bg);border-bottom:var(--border-width) solid var(--border);text-align:center;padding:0 .5rem 2rem;grid-column:1 / -1}body>header>*:only-child{margin-block-start:2rem}body>header h1{max-width:1200px;margin:1rem auto}body>header p{max-width:40rem;margin:1rem auto}main{padding-top:1.5rem}body>footer{margin-top:4rem;padding:2rem 1rem 1.5rem;color:var(--text-light);font-size:.9rem;text-align:center;border-top:var(--border-width) solid var(--border)}h1{font-size:3rem}h2{font-size:2.6rem;margin-top:3rem}h3{font-size:2rem;margin-top:3rem}h4{font-size:1.44rem}h5{font-size:1.15rem}h6{font-size:.96rem}p{margin:1.5rem 0}p,h1,h2,h3,h4,h5,h6{overflow-wrap:break-word}h1,h2,h3{line-height:1.1}@media only screen and (max-width:720px){h1{font-size:2.5rem}h2{font-size:2.1rem}h3{font-size:1.75rem}h4{font-size:1.25rem}}a,a:visited{color:var(--accent)}a:hover{text-decoration:none}a.button{border:var(--border-width) solid var(--accent);background-color:var(--accent);color:var(--accent-text);padding:.5em;text-decoration:none;line-height:normal}abbr[title]{cursor:help;text-decoration-line:underline;text-decoration-style:dotted}header nav{font-size:1rem;line-height:2;padding:1rem 0 0}header nav ul,header nav ol{align-content:space-around;align-items:center;display:flex;flex-direction:row;flex-wrap:wrap;justify-content:center;list-style-type:none;margin:0;padding:0}header nav ul li,header nav ol li{display:inline-block}header nav a,header nav a:visited{margin:0 .5rem 1rem;border:var(--border-width) solid var(--border);border-radius:var(--standard-border-radius);color:var(--text);display:inline-block;padding:.1rem 1rem;text-decoration:none}header nav a:hover,header nav a.current,header nav a[aria-current=page],header nav a[aria-current=true]{background:var(--bg);border-color:var(--accent);color:var(--accent);cursor:pointer}@media only screen and (max-width:720px){header nav a{border:none;padding:0;text-decoration:underline;line-height:1}header nav a.current{background:none}}aside,details,pre,progress{background-color:var(--accent-bg);border:var(--border-width) solid var(--border);border-radius:var(--standard-border-radius);margin-bottom:1rem}aside{font-size:1rem;width:30%;padding:0 15px;margin-inline-start:15px;float:right}*[dir=rtl] aside{float:left}@media only screen and (max-width:720px){aside{width:100%;float:none;margin-inline-start:0}}article,fieldset,dialog{border:var(--border-width) solid var(--border);padding:1rem;border-radius:var(--standard-border-radius);margin-bottom:1rem}article h2:first-child,section h2:first-child,article h3:first-child,section h3:first-child{margin-top:1rem}section{border-top:var(--border-width) solid var(--border);border-bottom:var(--border-width) solid var(--border);padding:2rem 1rem;margin:3rem 0}section+section,section:first-child{border-top:0;padding-top:0}section+section{margin-top:0}section:last-child{border-bottom:0;padding-bottom:0}details{padding:.7rem 1rem}summary{cursor:pointer;font-weight:700;padding:.7rem 1rem;margin:-.7rem -1rem;word-break:break-word}details[open]>summary+*{margin-top:0}details[open]>summary{margin-bottom:.5rem}details[open]>:last-child{margin-bottom:0}details h2:first-of-type{margin-top:0}table{border-collapse:collapse;margin:1.5rem 0}figure>table{width:max-content;margin:0}td,th{border:var(--border-width) solid var(--border);text-align:start;padding:.5rem}th{background-color:var(--accent-bg);font-weight:700}tr:nth-child(2n){background-color:var(--accent-bg)}table caption{font-weight:700;margin-bottom:.5rem}hr{border:none;height:var(--border-width);background:var(--border);margin:1rem auto}mark{padding:2px 5px;border-radius:var(--standard-border-radius);background-color:var(--marked);color:#000}mark a{color:var(--accent)}img,video{max-width:100%;height:auto;border-radius:var(--standard-border-radius)}figure{margin:0;display:block;overflow-x:auto}figure>img,figure>picture>img{display:block;margin-inline:auto}figcaption{position:sticky;left:0;text-align:center;font-size:.9rem;color:var(--text-light);margin-block:1rem}blockquote{margin-inline-start:2rem;margin-inline-end:0;margin-block:2rem;padding:.4rem .8rem;border-inline-start:.35rem solid var(--accent);color:var(--text-light);font-style:italic}cite{font-size:.9rem;color:var(--text-light);font-style:normal}dt{color:var(--text-light)}code,pre,pre span,kbd,samp{font-family:var(--mono-font);color:var(--code)}kbd{color:var(--preformatted);border:var(--border-width) solid var(--preformatted);border-bottom:3px solid var(--preformatted);border-radius:var(--standard-border-radius);padding:.1rem .4rem}pre{padding:1rem 1.4rem;max-width:100%;overflow:auto;color:var(--preformatted)}pre code{color:var(--preformatted);background:none;margin:0;padding:0}sup,sub{vertical-align:baseline;position:relative}sup{top:-.4em}sub{top:.3em}.notice{background:var(--accent-bg);border:var(--border-width) solid var(--border);border-radius:var(--standard-border-radius);padding:1.5rem;margin:2rem 0}div.notice p:first-of-type{margin-top:0}div.notice p:last-of-type{margin-bottom:0}