/*! * __ __ __ __ * /\ \/\ \ /\ \ __ /\ \ * \ \ \_\ \ __ __ \_\ \ __ /\_\ __ ___ \ \ \/'\ * \ \ _ \ /\ \/\ \ /'_` \ /'__`\ \/\ \ /'__`\ /'___\\ \ , < * \ \ \ \ \\ \ \_\ \ /\ \L\ \ /\ __/ \ \ \ /\ \L\.\_ /\ \__/ \ \ \\`\ * \ \_\ \_\\/`____ \\ \___,_\\ \____\ _\ \ \\ \__/.\_\\ \____\ \ \_\ \_\ * \/_/\/_/ `/___/> \\/__,_ / \/____//\ \_\ \\/__/\/_/ \/____/ \/_/\/_/ * /\___/ \ \____/ * \/__/ \/___/ * * Powered by Hydejack v8.1.1 */body{--code-font-family:Menlo,Monaco,Consolas,monospace;--font-weight:400;--font-weight-bold:700;--font-weight-heading:400;--text-muted:#888;--gray-bg:rgba(0,0,0,0.025);--gray-text:#666;--menu-text:#bbb;--body-color:#333;--body-bg:#fff;--border-color:#ebebeb}.clearfix,.sidebar-social::after{content:"";display:table;clear:both}#_cookies-banner,.color-transition,.faded,.figure,.footnotes::before,.hr,.message,.pagination,.read-more,blockquote,body,code,figure,hr,table:not(.highlight) tbody tr:nth-child(even) td,table:not(.highlight) tbody tr:nth-child(even) th,table:not(.highlight) tbody tr:nth-child(odd) td,table:not(.highlight) tbody tr:nth-child(odd) th,table:not(.highlight) tbody+tbody,table:not(.highlight) td,table:not(.highlight) tfoot,table:not(.highlight) th,table:not(.highlight) thead,table:not(.highlight) thead+tbody{transition:background-color 1s ease,border-color 1s ease}.no-color-transition{transition:none!important}*,::after,::before{box-sizing:border-box}html{-webkit-text-size-adjust:100%;-ms-text-size-adjust:100%;-ms-overflow-style:scrollbar;-webkit-tap-highlight-color:transparent}@-ms-viewport{width:device-width}article,aside,dialog,figcaption,figure,footer,header,hgroup,main,nav,section{display:block}[tabindex="-1"]:focus{outline:0!important}abbr[data-original-title],abbr[title]{text-decoration:underline;text-decoration:underline dotted;cursor:help;border-bottom:0}address{margin-bottom:1rem;font-style:normal;line-height:inherit}img{vertical-align:middle;border-style:none}svg:not(:root){overflow:hidden}[role=button],a,area,button,input:not([type=range]),label,select,summary,textarea{touch-action:manipulation}figure{margin:0 0 1rem}label{display:inline-block;margin-bottom:.25rem}button:focus{outline:1px dotted;outline:5px auto -webkit-focus-ring-color}button,input,optgroup,select,textarea{margin:0;font-family:inherit;font-size:inherit;line-height:inherit}button,input{overflow:visible}button,select{text-transform:none}[type=reset],[type=submit],button,html [type=button]{-webkit-appearance:button}[type=button]::-moz-focus-inner,[type=reset]::-moz-focus-inner,[type=submit]::-moz-focus-inner,button::-moz-focus-inner{padding:0;border-style:none}input[type=checkbox],input[type=radio]{box-sizing:border-box;padding:0}input[type=date],input[type=datetime-local],input[type=month],input[type=time]{-webkit-appearance:listbox}textarea{overflow:auto;resize:vertical}fieldset{min-width:0;padding:0;margin:0;border:0}legend{display:block;width:100%;max-width:100%;padding:0;margin-bottom:.5rem;font-size:1.5rem;line-height:inherit;color:inherit;white-space:normal}progress{vertical-align:baseline}[type=number]::-webkit-inner-spin-button,[type=number]::-webkit-outer-spin-button{height:auto}[type=search]{outline-offset:-2px;-webkit-appearance:none}[type=search]::-webkit-search-cancel-button,[type=search]::-webkit-search-decoration{-webkit-appearance:none}::-webkit-file-upload-button{font:inherit;-webkit-appearance:button}output{display:inline-block}summary{display:list-item}template{display:none}[hidden]{display:none!important}*{box-sizing:border-box}body,html{margin:0;padding:0}html{font-size:16px;line-height:1.75}body{color:var(--body-color);background-color:var(--body-bg);font-weight:var(--font-weight);overflow-y:scroll}a{text-decoration:none}.lead{margin-left:-1rem;margin-right:-1rem}.content img,.content video,.img,.video{max-width:100%}.content img.lead,.content video.lead,.img.lead,.video.lead{max-width:calc(100% + 2rem);width:calc(100% + 2rem)}@media print{a:not(.no-print-link)::after{content:" (" attr(href) ") ";font-size:.83em;opacity:.67}}.h1,.h2,.h3,.h4,.h5,.h6,h1,h2,h3,h4,h5,h6{font-weight:var(--font-weight-heading);margin:5rem 0 1rem}.h1,h1{font-size:2rem;line-height:1.3}.h2,h2{font-size:1.5rem;line-height:1.4}.h3,h3{font-size:1.17em;line-height:1.5}.h4,.h5,.h6,h4,h5,h6{font-size:1rem;margin-bottom:.5rem}p{margin-top:0;margin-bottom:1rem}p.lead{font-size:1.2em;margin-top:1.5rem;margin-bottom:1.5rem;padding:0 1rem}dl,ol,ul{margin-top:0;margin-bottom:1rem}ol,ul{padding-left:1.25rem}hr{position:relative;margin:3rem 0;border:0;border-top:1px solid var(--border-color)}.hr{border-bottom:1px solid var(--border-color);padding-bottom:1rem;margin-bottom:2rem}.h1,.h2,.h3,.h4,.h5,.h6,.heading,h1,h2,h3,h4,h5,h6{text-rendering:optimizeLegibility}.h1+.h2,.h1+h2,.h2+.h3,.h2+h3,.h3+.h4,.h3+h4,.h4+.h5,.h4+h5,.h5+.h6,.h5+h6,h1+.h2,h1+h2,h2+.h3,h2+h3,h3+.h4,h3+h4,h4+.h5,h4+h5,h5+.h6,h5+h6{margin-top:0}dt,strong{font-weight:var(--font-weight-bold)}dd{margin-bottom:.5rem}abbr{font-size:85%;font-weight:var(--font-weight-bold);text-transform:uppercase}abbr[title]{cursor:help;border-bottom:1px dotted var(--border-color)}blockquote{padding:.5rem 1rem;margin:.8rem 0;color:var(--text-muted);border-left:.25rem solid var(--border-color)}blockquote.lead{font-size:1.2em;margin-top:1.5rem;margin-bottom:1.5rem;border-left-width:.4rem}blockquote>p:last-child{margin-bottom:0}.heading{font-weight:var(--font-weight-heading)}.figure,.fine,figure{font-size:.83em}.faded,.figure,.read-more,figure{color:var(--text-muted)}.centered,.figure,figure{text-align:center}h1[id],h2[id],h3[id],h4[id],h5[id],h6[id]{position:relative}@media screen{h1[id]>.permalink,h2[id]>.permalink,h3[id]>.permalink,h4[id]>.permalink,h5[id]>.permalink,h6[id]>.permalink{border-bottom:none;opacity:0;width:1.5rem;text-align:center;float:right;transition:opacity .4s;will-change:opacity}}@media screen and (min-width:44em){h1[id]>.permalink,h2[id]>.permalink,h3[id]>.permalink,h4[id]>.permalink,h5[id]>.permalink,h6[id]>.permalink{float:none;position:absolute;top:0;left:-1.75rem}}@media print{h1[id]>.permalink,h2[id]>.permalink,h3[id]>.permalink,h4[id]>.permalink,h5[id]>.permalink,h6[id]>.permalink{display:none}}h1[id]:hover>.permalink,h2[id]:hover>.permalink,h3[id]:hover>.permalink,h4[id]:hover>.permalink,h5[id]:hover>.permalink,h6[id]:hover>.permalink{opacity:.5}h1[id]>.permalink:focus,h1[id]>.permalink:hover,h2[id]>.permalink:focus,h2[id]>.permalink:hover,h3[id]>.permalink:focus,h3[id]>.permalink:hover,h4[id]>.permalink:focus,h4[id]>.permalink:hover,h5[id]>.permalink:focus,h5[id]>.permalink:hover,h6[id]>.permalink:focus,h6[id]>.permalink:hover{opacity:1;transition:opacity .2s}@media print{.h1,.h2,.h3,.h4,.h5,.h6,dt,h1,h2,h3,h4,h5,h6{page-break-inside:avoid;break-inside:avoid-page;page-break-after:avoid;break-after:avoid-page}}table:not(.highlight){border-collapse:collapse;margin-bottom:2rem;margin-left:-1rem;display:block;vertical-align:top;overflow-x:auto;-webkit-overflow-scrolling:touch}table:not(.highlight) td,table:not(.highlight) th{padding:.25rem .5rem;border:1px solid var(--border-color)}table:not(.highlight) td:first-child,table:not(.highlight) th:first-child{padding-left:1rem}table:not(.highlight) td:last-child,table:not(.highlight) th:last-child{padding-right:1rem}table:not(.highlight) thead{background-color:var(--body-bg)}table:not(.highlight) tbody+tbody,table:not(.highlight) tfoot,table:not(.highlight) thead+tbody{border-top:3px double var(--border-color)}table:not(.highlight) tbody tr:nth-child(even) td,table:not(.highlight) tbody tr:nth-child(even) th{background-color:var(--body-bg)}table:not(.highlight) tbody tr:nth-child(odd) td,table:not(.highlight) tbody tr:nth-child(odd) th{background-color:var(--gray-bg)}@media print{table:not(.highlight){width:100%!important}}table.stretch-table{display:table;width:100%!important;width:calc(100% + 2rem)!important}table.scroll-table{white-space:nowrap}table.flip-table{display:flex;overflow:hidden}table.flip-table tbody+tbody,table.flip-table thead,table.flip-table thead+tbody{border-top:1px solid var(--border-color);border-bottom:1px solid var(--border-color)}table.flip-table tbody,table.flip-table thead{display:flex}table.flip-table thead{flex-shrink:0;min-width:min-content}table.flip-table thead th{padding-left:1rem}table.flip-table tbody{position:relative;overflow-x:auto;overflow-y:hidden;padding-left:1px;-webkit-overflow-scrolling:touch}table.flip-table tr{display:flex;flex-direction:column;min-width:min-content;flex-shrink:0}table.flip-table tr td{border-left:none}table.flip-table tr:first-child td{border-left:1px solid var(--border-color)}table.flip-table tr:last-child td{padding-right:1rem;border-right:1px solid var(--border-color)}table.flip-table td,table.flip-table th{display:block;border-bottom:none}table.flip-table td:first-child,table.flip-table th:first-child{padding-left:.5rem;border-top:none}table.flip-table td:last-child,table.flip-table th:last-child{padding-right:.5rem}@media screen and (max-width:72em){table.scroll-table-small{white-space:nowrap}table.flip-table-small{display:flex;overflow:hidden}table.flip-table-small tbody+tbody,table.flip-table-small thead,table.flip-table-small thead+tbody{border-top:1px solid var(--border-color);border-bottom:1px solid var(--border-color)}table.flip-table-small tbody,table.flip-table-small thead{display:flex}table.flip-table-small thead{flex-shrink:0;min-width:min-content}table.flip-table-small thead th{padding-left:1rem}table.flip-table-small tbody{position:relative;overflow-x:auto;overflow-y:hidden;padding-left:1px;-webkit-overflow-scrolling:touch}table.flip-table-small tr{display:flex;flex-direction:column;min-width:min-content;flex-shrink:0}table.flip-table-small tr td{border-left:none}table.flip-table-small tr:first-child td{border-left:1px solid var(--border-color)}table.flip-table-small tr:last-child td{padding-right:1rem;border-right:1px solid var(--border-color)}table.flip-table-small td,table.flip-table-small th{display:block;border-bottom:none}table.flip-table-small td:first-child,table.flip-table-small th:first-child{padding-left:.5rem;border-top:none}table.flip-table-small td:last-child,table.flip-table-small th:last-child{padding-right:.5rem}}footer{margin-bottom:2rem}a[href^="#fn:"],a[href^="#fnref:"]{margin-left:.1rem;font-weight:var(--font-weight-bold)}@media screen and (max-width:73.5em){a[href^="#fn:"],a[href^="#fnref:"]{font-weight:400}}sup{line-height:1}@media screen and (max-width:72em){sup[id^=fnref]{vertical-align:baseline;font-size:inherit}sup[id^=fnref]>a::before{content:"["}sup[id^=fnref]>a::after{content:"]"}}.footnotes{margin-top:5rem}.footnotes>ol{color:var(--text-muted)}.footnotes>ol>li{padding:.5rem;margin-left:.5rem}.footnotes>ol>li>p{margin:0}.footnotes>ol>li:focus{outline:0;color:var(--gray-text);background:var(--gray-bg)}.footnotes::before{content:"";display:block;margin:1.5rem 0;border:0;border-top:1px solid var(--border-color)}code,pre{font-family:var(--code-font-family)}code{padding:.25em .5em;background-color:var(--gray-bg);font-size:.85em}.pre-base,article .katex-display,article div.MathJax_Preview,pre{margin-left:-1rem;margin-right:-1rem;padding:1rem;background-color:var(--gray-bg);overflow-x:auto;-webkit-overflow-scrolling:touch;backface-visibility:hidden}@media print{.pre-base,article .katex-display,article div.MathJax_Preview,pre{width:100%!important;page-break-inside:avoid;break-inside:avoid-page}}pre{margin-top:0;display:block;line-height:1.4;font-size:.85em}pre>code{padding:0;color:inherit;background-color:transparent;font-size:1em}.highlight,pre{margin-bottom:2rem}.page{margin-bottom:3em}.page li+li{margin-top:.25rem}.page>header{margin-bottom:2rem}.page-title,.post-title{margin-top:0}.post-date{display:block;margin-top:-.5rem;margin-bottom:1rem;color:var(--text-muted)}hr.dingbat{border:0}hr.dingbat::after{content:"\2756";display:block;text-align:center;font-size:1.5rem;color:var(--menu-text)}.related-posts{padding-left:0;list-style:none;margin-bottom:2rem}.related-posts>li,.related-posts>li+li{margin-top:1rem}@media print{.comments{display:none}}.read-more{margin-top:2rem;margin-bottom:3rem}.read-more::after{content:" \2192";font-family:icomoon!important;speak:none;font-style:normal;font-weight:400;font-variant:normal;text-transform:none;line-height:1;font-size:smaller;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.message{margin-bottom:1rem;padding:1rem;color:var(--gray-text);background-color:var(--gray-bg);margin-left:-1rem;margin-right:-1rem}.pagination{width:calc(100% + 2rem);margin:0 -1rem 1rem;color:var(--text-muted);text-align:center}.pagination>ul{list-style:none;padding:0}.pagination-item>*{display:block;padding:.25rem 1rem;border:solid var(--border-color);border-width:1px 0;transition:border-color 1s ease}.pagination-item>a,.pagination-item>a:focus,.pagination-item>a:hover{border-color:var(--border-color)!important}.pagination-item:first-child>*{margin-bottom:-1px}.pagination-item a:focus,.pagination-item>a:hover{background-color:var(--gray-bg);border-bottom:1px solid var(--border-color)}@media (min-width:23.5em){.pagination{width:100%;margin:3rem 0}.pagination-item>*{float:left;width:50%;border-width:1px}.pagination-item:first-child>*{margin-bottom:0;border-top-left-radius:.25rem;border-bottom-left-radius:.25rem}.pagination-item:last-child>*{margin-left:-1px;border-top-right-radius:.25rem;border-bottom-right-radius:.25rem}}body{display:block;position:relative;overflow-x:hidden}hy-drawer,hy-push-state{display:block;overflow:hidden}@media screen{body::before{content:'';width:.5rem;background:var(--border-color);position:fixed;left:0;top:0;bottom:0}}@media screen and (min-width:64em){body::before{width:21rem}}@media screen and (min-width:1666px){body::before{width:calc(50% - 28rem)}}@media screen and (min-width:42em){html{font-size:17px}}@media screen and (min-width:124em){html{font-size:18px}}@media print{html{font-size:11pt}}.fade-in{animation-duration:.5s;animation-timing-function:ease;animation-name:fade-in;animation-fill-mode:forwards}@keyframes fade-in{from{transform:translateY(-3rem);opacity:0}50%{transform:translateY(-3rem);opacity:0}to{transform:translateY(0);opacity:1}}.fl{float:left}.fr{float:right}.mb4{margin-bottom:4rem}.mb6{margin-bottom:6rem}.mt0{margin-top:0}.mt2{margin-top:2rem}.mt3{margin-top:3rem}.mt4{margin-top:4rem}.pb0{padding-bottom:0}.sixteen-nine{position:relative}.sixteen-nine::before{display:block;content:"";width:100%;padding-top:56.25%}.sixteen-nine>*{position:absolute;top:0;left:0;right:0;bottom:0}.sr-only{display:none;display:unset;position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}.border{border:1px solid var(--border-color);transition:border-color 1s ease}.a,hy-push-state a{position:relative;padding-bottom:.15rem;border-bottom:1px solid;transition:color 1s,border-color 250ms}.a:hover,hy-push-state a:hover{text-decoration:none;transition:color 1s,border-color 50ms}.a.no-hover,hy-push-state a.no-hover{border-bottom:none;padding-bottom:0;transition:none}.a.no-hover:hover,hy-push-state a.no-hover:hover{transition:none}.content .img{overflow:hidden}.content .img img{margin:0;width:100%;height:100%;object-fit:cover;object-position:center;background-color:var(--gray-bg);background-position:center;background-repeat:no-repeat;background-image:url(data:image/svg+xml;base64,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)}hy-img{display:block;position:relative}hy-img .loading{background-color:var(--gray-bg);position:absolute;top:0;left:0;right:0;bottom:0;display:flex;justify-content:center;align-items:center}hy-img .loading>*{color:var(--menu-text);font-size:2rem}hy-img img{animation-duration:1s;animation-timing-function:ease;animation-name:fade-img}.figure,figure{margin-bottom:2rem}.figure>:first-child,figure>:first-child{margin-bottom:.5rem}@keyframes fade-img{from{opacity:0}to{opacity:1}}.animation-main hy-img img{animation:none!important}hy-drawer{width:100%;position:relative;overflow:hidden;z-index:2}@media screen{hy-drawer{--hy-drawer-width:100%;--hy-drawer-slide-width:calc(100% - .5rem);--hy-drawer-box-shadow:0 0 1rem rgba(0, 0, 0, 0.25)}}@media screen and (min-width:64em){hy-drawer{position:fixed;width:21rem;top:0;left:0;bottom:0;margin-left:0;--hy-drawer-slide-width:calc(100% - 21rem)}hy-drawer.cover{position:relative;width:100%}}@media screen and (min-width:1666px){hy-drawer{width:calc(50% - 28rem);--hy-drawer-slide-width:calc(50% + 28rem)}}@media screen{hy-drawer.loaded{position:static}}.sidebar{position:relative;display:flex;justify-content:center;align-items:center;color:rgba(255,255,255,.75);text-align:center;z-index:2;min-height:100vh}.sidebar a{color:#fff;border-bottom-color:rgba(255,255,255,.2)}.sidebar a:hover{border-bottom-color:#fff}hy-drawer.loaded .sidebar{min-height:100%}.sidebar-bg{position:absolute;top:0;left:calc(50% - 50vw);width:100vw;height:100%;background:#202020 center/cover}.sidebar-bg::after{content:"";position:absolute;top:0;left:0;bottom:0;right:0;background:rgba(0,0,0,.05)}.sidebar-bg.sidebar-overlay::after{background:-moz-linear-gradient(top,rgba(32,32,32,0) 0,rgba(32,32,32,.5) 50%,rgba(32,32,32,0) 100%);background:-webkit-linear-gradient(top,rgba(32,32,32,0) 0,rgba(32,32,32,.5) 50%,rgba(32,32,32,0) 100%);background:linear-gradient(to bottom,rgba(32,32,32,0) 0,rgba(32,32,32,.5) 50%,rgba(32,32,32,0) 100%)}.sidebar-sticky{position:relative;z-index:3;max-width:21rem;padding:1.5rem;contain:content}.sidebar-about .avatar{margin-bottom:1.5rem}.sidebar-about>h2{margin-top:0}.sidebar-nav>ul{list-style:none;padding-left:0}a.sidebar-nav-item{display:inline-block;font-weight:var(--font-weight-heading);line-height:1.75;padding:.25rem;border-bottom:1px solid rgba(255,255,255,.2)}@media print{.sidebar{display:none}}#_swipe{position:absolute;z-index:4;opacity:.33;top:5vw;right:5vw;transform:scale(.67)}@media screen and (min-width:42em){#_swipe{top:calc(50% - 48px);right:10vw;transform:scale(1)}}.column{float:left;width:40%}.row:after{content:"";display:table;clear:both}.card{box-shadow:0 4px 8px 0 rgba(0,0,0,.2);transition:.3s;margin:16px;padding:16px}.card:hover{box-shadow:0 8px 16px 0 rgba(0,0,0,.2)}a.external:after{display:none!important}.sidebar-social>ul{display:inline-block;list-style:none;padding-left:0;margin-bottom:0}.sidebar-social>ul>li{float:left}.sidebar-social>ul>li>a{display:inline-block;text-align:center;font-size:1.4rem;width:3rem;height:4rem;padding:.5rem 0;line-height:3rem}.sidebar-social>ul li+li{margin-top:0}@media print{.sidebar-social{display:none}}.fixed-bottom,.fixed-common,.fixed-top{position:fixed;left:0;width:100%;z-index:2}.fixed-top{top:0}.fixed-bottom{bottom:0}.navbar>.content{padding-top:0;padding-bottom:0;min-height:0;color:var(--menu-text)}.nav-btn-bar{margin:0 -1rem 0 -.875rem}.nav-btn{background:0 0;border:none;padding:1.75rem .875rem;color:var(--menu-text)!important;cursor:pointer}.animation-main{opacity:0;pointer-events:none}@media print{.navbar{display:none}}.navbar .loading{display:none}#_navbar{position:absolute;height:0}#_cookies-banner{background-color:var(--body-bg);border-top:1px solid var(--border-color)}.content{position:relative;margin-left:auto;margin-right:auto;padding:6rem 1rem 12rem}@media screen{.content{padding-left:1.5rem;max-width:38rem;min-height:100vh}}@media screen and (min-width:54em){.content{max-width:42rem}}@media screen and (min-width:64em){.content{padding-left:1rem;margin-left:24rem;margin-right:3rem}}@media screen and (min-width:90em){.content{margin-left:25rem;margin-right:4rem;max-width:48rem}}@media screen and (min-width:1666px){.content{margin:auto}}@media print{.content{padding-bottom:1rem}}.avatar{width:6.5rem;height:6.5rem;border-radius:100%;overflow:hidden;display:inline-block;position:relative;z-index:1}.avatar img{width:100%}@media screen and (min-width:90em){.avatar{width:7rem;height:7rem}}.content .avatar{float:right;margin-left:.5rem}article .katex-display,article div.MathJax_Preview{padding:2rem;text-align:left}article div.MathJax_Preview{font-family:var(--code-font-family);font-size:.75em;line-height:1.45;white-space:pre;margin-bottom:2rem}article span.MathJax_Preview{font-family:var(--code-font-family);padding:.25em .5em;font-size:.85em;background-color:var(--code-bg)}.MathJax_Preview:empty{display:none;visibility:hidden}main>footer{position:absolute;bottom:0;left:.5rem;right:0;padding:0 1rem;color:var(--text-muted);text-align:center}main>footer>p{margin-bottom:0}@media screen and (min-width:64em){main>footer{left:0}}@media print{main>footer{position:static;margin-top:5rem}main>footer .legal{display:none}}@media screen{.break-layout,.katex-display,pre,table:not(.highlight){position:relative;width:calc(100% + 2rem)}}@media screen and (min-width:38rem){.break-layout,.katex-display,pre,table:not(.highlight){width:calc(100% + 50vw - 17rem)}}@media screen and (min-width:54em){.break-layout,.katex-display,pre,table:not(.highlight){width:calc(100% + 50vw - 19rem)}}@media screen and (min-width:64em){.break-layout,.katex-display,pre,table:not(.highlight){width:calc(100vw - 24rem)}}@media screen and (min-width:72em){.break-layout,.katex-display,pre,table:not(.highlight){width:calc(100% + 100vw - 64rem)}}@media screen and (min-width:90em){.break-layout,.katex-display,pre,table:not(.highlight){width:calc(100% + 100vw - 71rem)}}@media screen and (min-width:1666px){.break-layout,.katex-display,pre,table:not(.highlight){width:calc(100% + 50vw - 22rem)}}.highlight,pre.highlight{color:#383a42}.highlight .ge{font-style:italic}.highlight .gs{font-weight:700}.highlight .ow{font-weight:700}.highlight .n,.highlight .nf,.highlight .nn,.highlight .o,.highlight .p{color:#383a42}.highlight .c,.highlight .c1,.highlight .cm,.highlight .cp,.highlight .cs{color:#a0a1a7;font-style:italic}.highlight .sr,.highlight .ss{color:#0184bc}.highlight .k,.highlight .kc,.highlight .kd,.highlight .kn,.highlight .kp,.highlight .kr,.highlight .kt{color:#a626a4}.highlight .l,.highlight .ld,.highlight .s,.highlight .s1,.highlight .s2,.highlight .sb,.highlight .sc,.highlight .sd,.highlight .se,.highlight .sh,.highlight .si,.highlight .sx{color:#50a14f}.highlight .nt,.highlight .nx,.highlight .vi{color:#e45649}.highlight .il,.highlight .m,.highlight .mf,.highlight .mh,.highlight .mi,.highlight .mo,.highlight .na{color:#986801}.highlight .bp,.highlight .nb,.highlight .nc,.highlight .nd,.highlight .ne,.highlight .ni,.highlight .nl,.highlight .no,.highlight .nv,.highlight .py,.highlight .vc,.highlight .vg{color:#c18401}.highlight .gd{color:#ff1414}.highlight .gi{color:#2db448}.highlight .w{color:#f8f8f2}.highlight .cpf{color:navy}.highlight .gu{color:#75715e}.highlight .lineno{color:#9d9d9f;user-select:none}.highlight .ln{color:#9d9d9f;user-select:none}.highlight .ln:after{content:" "}.highlight .hll{color:#383a42;background-color:#e5e5e6}.highlight .hl{color:#383a42;background-color:#e5e5e6}.highlight .language-json .w+.s2{color:#e45649}.highlight .language-json .kc{color:#0184bc}.loading>[class*=icon-]{display:inline-block;-webkit-animation:rotate 2s infinite linear both;animation:rotate 2s infinite linear both;-webkit-transform-origin:50% 50%;-ms-transform-origin:50% 50%;transform-origin:50% 50%}@-webkit-keyframes rotate{0%{-webkit-transform:rotateZ(0);transform:rotateZ(0)}100%{-webkit-transform:rotateZ(360deg);transform:rotateZ(360deg)}}@keyframes rotate{0%{-webkit-transform:rotateZ(0);transform:rotateZ(0)}100%{-webkit-transform:rotateZ(360deg);transform:rotateZ(360deg)}}.dl-table a{padding-bottom:.4rem}.dl-table .btn{margin:1.5rem 0}html{font-family:serif}.h1,.h2,.h3,.h4,.h5,.h6,.heading,h1,h2,h3,h4,h5,h6{font-family:serif}.font-active{font-family:Noto Sans,Helvetica,Arial,sans-serif}.font-active .h1,.font-active .h2,.font-active .h3,.font-active .h4,.font-active .h5,.font-active .h6,.font-active .heading,.font-active h1,.font-active h2,.font-active h3,.font-active h4,.font-active h5,.font-active h6{font-family:Roboto Slab,Helvetica,Arial,sans-serif}@font-face{font-family:icomoon;src:url(/ba42be4c90b2f5fdc1614346b3ee02909b75ecdb/8c7f1/assets/icomoon/fonts/icomoon.eot);src:url(/ba42be4c90b2f5fdc1614346b3ee02909b75ecdb/8c7f1/assets/icomoon/fonts/icomoon.eot#iefix) format('embedded-opentype'),url(/fd1948a99f501d6fb5c78b26a7b1a8ec95767e7a/79290/assets/icomoon/fonts/icomoon.ttf) format('truetype'),url(/b47ff2b650cb4f77edb15fc4e85751a07078e104/ab815/assets/icomoon/fonts/icomoon.woff) format('woff'),url(/416beb0c01050acd86d3a2c7faf06a2e6f12f6d3/d792b/assets/icomoon/fonts/icomoon.svg#icomoon) format('svg');font-weight:400;font-style:normal}[class*=" icon-"],[class^=icon-]{font-family:icomoon!important;speak:none;font-style:normal;font-weight:400;font-variant:normal;text-transform:none;line-height:1;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.icon-book:before{content:"\e91f"}.icon-library:before{content:"\e921"}.icon-phone:before{content:"\e942"}.icon-envelop:before{content:"\e945"}.icon-location:before{content:"\e947"}.icon-bubbles:before{content:"\e96c"}.icon-quotes-right:before{content:"\e978"}.icon-wrench:before{content:"\e991"}.icon-trophy:before{content:"\e99e"}.icon-briefcase:before{content:"\e9ae"}.icon-earth:before{content:"\e9ca"}.icon-link:before{content:"\e9cb"}.icon-star-empty:before{content:"\2606"}.icon-star-half:before{content:"\272e"}.icon-star-full:before{content:"\2605"}.icon-heart:before{content:"\e9da"}.icon-new-tab:before{content:"\ea7e"}.icon-amazon:before{content:"\ea87"}.icon-google:before{content:"\ea88"}.icon-google-plus:before{content:"\ea8b"}.icon-google-drive:before{content:"\ea8f"}.icon-facebook:before{content:"\ea90"}.icon-instagram:before{content:"\ea92"}.icon-whatsapp:before{content:"\ea93"}.icon-spotify:before{content:"\ea94"}.icon-telegram:before{content:"\ea95"}.icon-twitter:before{content:"\ea96"}.icon-vine:before{content:"\ea97"}.icon-vk:before{content:"\ea98"}.icon-renren:before{content:"\ea99"}.icon-sina-weibo:before{content:"\ea9a"}.icon-rss:before{content:"\ea9b"}.icon-youtube:before{content:"\ea9d"}.icon-twitch:before{content:"\ea9f"}.icon-vimeo:before{content:"\eaa0"}.icon-lanyrd:before{content:"\eaa2"}.icon-flickr2:before{content:"\eaa4"}.icon-dribbble:before{content:"\eaa7"}.icon-behance:before{content:"\eaa8"}.icon-deviantart:before{content:"\eaaa"}.icon-500px:before{content:"\eaab"}.icon-steam:before{content:"\eaac"}.icon-dropbox:before{content:"\eaae"}.icon-onedrive:before{content:"\eaaf"}.icon-github:before{content:"\eab0"}.icon-npm:before{content:"\eab1"}.icon-basecamp:before{content:"\eab2"}.icon-trello:before{content:"\eab3"}.icon-wordpress:before{content:"\eab4"}.icon-joomla:before{content:"\eab5"}.icon-ello:before{content:"\eab6"}.icon-blogger:before{content:"\eab7"}.icon-tumblr:before{content:"\eab9"}.icon-yahoo:before{content:"\eabb"}.icon-soundcloud:before{content:"\eac3"}.icon-skype:before{content:"\eac5"}.icon-reddit:before{content:"\eac6"}.icon-hackernews:before{content:"\eac7"}.icon-wikipedia:before{content:"\eac8"}.icon-linkedin2:before{content:"\eaca"}.icon-lastfm:before{content:"\eacb"}.icon-delicious:before{content:"\eacd"}.icon-stumbleupon:before{content:"\eace"}.icon-stackoverflow:before{content:"\ead0"}.icon-pinterest2:before{content:"\ead2"}.icon-xing2:before{content:"\ead4"}.icon-flattr:before{content:"\ead5"}.icon-foursquare:before{content:"\ead6"}.icon-yelp:before{content:"\ead7"}.icon-paypal:before{content:"\ead8"}.icon-mail:before{content:"\ea83"}.icon-rss2:before{content:"\ea9c"}.icon-box-add:before{content:"\e95e"}.icon-spinner11:before{content:"\21bb"}.icon-cog:before{content:"\e994"}.icon-power-cord:before{content:"\e9b7"}.icon-menu:before{content:"\2630"}.icon-arrow-right2:before{content:"\2192"}.icon-arrow-left2:before{content:"\2190"}.icon-home3:before{content:"\e902"}.icon-mail2:before{content:"\ea84"}.icon-sun:before{content:"\e9d4"}.icon-contrast:before{content:"\e9d5"}.icon-brightness-contrast:before{content:"\e9d6"}