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font-family: 'D2 coding';
font-style: normal;
font-weight: 400;
src: url('../fonts/D2Coding.eot');
src: local('※'), local('D2Coding'),
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font-style: normal;
font-weight: 700;
src: url('../fonts/D2CodingBold.eot');
src: local('※'), local('D2Coding Bold'),
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.image.left,.image.right{margin-top:.25em;margin-bottom:.25em;display:inline-block;line-height:0}
.image.left{margin-right:.625em}
.image.right{margin-left:.625em}
a.image{text-decoration:none;display:inline-block}
a.image object{pointer-events:none}
sup.footnote,sup.footnoteref{font-size:.875em;position:static;vertical-align:super}
sup.footnote a,sup.footnoteref a{text-decoration:none}
sup.footnote a:active,sup.footnoteref a:active{text-decoration:underline}
#footnotes{padding-top:.75em;padding-bottom:.75em;margin-bottom:.625em}
#footnotes hr{width:20%;min-width:6.25em;margin:-.25em 0 .75em;border-width:1px 0 0}
#footnotes .footnote{padding:0 .375em 0 .225em;line-height:1.3334;font-size:.875em;margin-left:1.2em;text-indent:-1.05em;margin-bottom:.2em}
#footnotes .footnote a:first-of-type{font-weight:700;text-decoration:none}
#footnotes .footnote:last-of-type{margin-bottom:0}
#content #footnotes{margin-top:-.625em;margin-bottom:0;padding:.75em 0}
.gist .file-data > table{border:0;background:#fff;width:100%;margin-bottom:0}
.gist .file-data > table td.line-data{width:99%}
div.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:#00bfbf}
.aqua-background{background-color:#00fafa}
.black{color:#000}
.black-background{background-color:#000}
.blue{color:#0000bf}
.blue-background{background-color:#0000fa}
.fuchsia{color:#bf00bf}
.fuchsia-background{background-color:#fa00fa}
.gray{color:#606060}
.gray-background{background-color:#7d7d7d}
.green{color:#006000}
.green-background{background-color:#007d00}
.lime{color:#00bf00}
.lime-background{background-color:#00fa00}
.maroon{color:#600000}
.maroon-background{background-color:#7d0000}
.navy{color:#000060}
.navy-background{background-color:#00007d}
.olive{color:#606000}
.olive-background{background-color:#7d7d00}
.purple{color:#600060}
.purple-background{background-color:#7d007d}
.red{color:#bf0000}
.red-background{background-color:#fa0000}
.silver{color:#909090}
.silver-background{background-color:#bcbcbc}
.teal{color:#006060}
.teal-background{background-color:#007d7d}
.white{color:#bfbfbf}
.white-background{background-color:#fafafa}
.yellow{color:#bfbf00}
.yellow-background{background-color:#fafa00}
span.icon > .fa{cursor:default}
.admonitionblock td.icon [class^="fa icon-"]{font-size:2.5em;cursor:default}
.admonitionblock td.icon .icon-note:before{content:"\f05a";color:#8979ca}
.admonitionblock td.icon .icon-tip:before{content:"\f0eb";color:#0077b9}
.admonitionblock td.icon .icon-warning:before{content:"\f071";color:#d88400}
.admonitionblock td.icon .icon-caution:before{content:"\f06d";color:#bf3400}
.admonitionblock td.icon .icon-important:before{content:"\f06a";color:#bf0000}
.conum[data-value]{display:inline-block;color:#000!important;background-color:#ffe157;-webkit-border-radius:100px;border-radius:100px;text-align:center;font-size:.75em;width:1.67em;height:1.67em;line-height:1.67em;font-style:normal;font-weight:700}
.conum[data-value] *{color:#fff!important}
.conum[data-value] + b{display:none}
.conum[data-value]:after{content:attr(data-value)}
pre .conum[data-value]{position:relative;top:0;color:#000!important;background-color:#ffe157;font-size:12px}
b.conum *{color:inherit!important}
.conum:not([data-value]):empty{display:none}
.admonitionblock{background-color:#ebe7f8;padding:.8em 0;margin:30px 0;width:auto;border-radius:4px;overflow-x:auto}
.admonitionblock.important{border-left:0 solid #e20000;background-color:#f9ebeb}
.admonitionblock.warning{border-left:0 solid #d88400;background-color:#fff9e4}
.admonitionblock.tip{border-left:0 solid #0077b9;background-color:#e9f1f6}
.admonitionblock.caution{border-left:0 solid #e20000;background-color:#f9ebeb}
.admonitionblock .exampleblock > .content{border:0;background-color:#fff}
#toc a:hover{text-decoration:underline}
.admonitionblock > table{margin-bottom:0}
.admonitionblock > table td.content{border-left:none}
@media print {
#tocbot a.toc-link.node-name--H4{display:none}
}
.is-collapsible{max-height:1000px;overflow:hidden;transition:all 200ms ease-in-out}
.is-collapsed{max-height:0}
#index-link{display:none}
ul li > p > a > code{color:#097dff}
ul li > p > a:hover > code{color:#097dff}
div.back-action,#toc.toc2 div.back-action{padding:.8rem 0 0 5px}
div.back-action a,#toc.toc2 div.back-action a{position:relative;display:inline-block;padding:.6rem 1.2rem;padding-left:35px}
div.back-action a span,#toc.toc2 div.back-action a span{position:absolute;left:5px;top:5px;display:block;color:#333;height:26px;width:26px;border-radius:13px}
div.back-action a i,#toc.toc2 div.back-action a i{position:absolute;top:10px;left:5px}
div.back-action a:hover span,#toc.toc2 div.back-action a:hover span{color:#000}
#tocbot.desktop-toc{padding-top:.8rem}
#header-spring{position:absolute;text-rendering:optimizeLegibility;top:0;left:0;right:0;height:90px;margin:0 1rem;padding:0 1rem;border-bottom:1px solid #ddddd8;border-top:3px solid #9742ec}
#header-spring h1{margin:0;padding:0;font-size:22px;text-align:left;line-height:86px;padding-left:.6rem}
#header-spring h1 svg{width:200px}
#header-spring h1 svg .st0{fill:#6bb344}
#header-spring h1 svg .st2{fill:#444}
body.book #header-spring{position:relative;top:auto;left:auto;right:auto;margin:0}
body.book #header > h1:only-child{border:0;padding-bottom:1.2rem;font-size:1.8rem}
body.book #header,body.book #content,body.book #footnotes,body.book #footer{margin:0 auto}
body.toc2 #header-spring{position:absolute;left:0;right:0;top:0}
body.toc2 #header > h1:only-child{font-size:2.2rem}
body.toc2 #header,body.toc2 #content,body.toc2 #footnotes,body.toc2 #footer{margin:0 auto}
body.toc2 #content{padding-top:2rem}
#header,#content,#footnotes,#footer{width:100%;margin-right:auto;margin-top:0;margin-bottom:0;max-width:62.5em;*zoom:1;position:relative;padding-left:.9375em;padding-right:.9375em}
#header:before,#header:after,#content:before,#content:after,#footnotes:before,#footnotes:after,#footer:before,#footer:after{content:" ";display:table}
#header:after,#content:after,#footnotes:after,#footer:after{clear:both}
#content{margin-top:1.25em}
#content:before{content:none}
#header > h1:first-child{margin-top:2.55rem;margin-bottom:.5em}
#header > h1:first-child + #toc{margin-top:8px;border-top:0}
#header > h1:only-child,body.toc2 #header > h1:nth-last-child(2){border-bottom:1px solid #ddddd8;padding-bottom:8px;display:none}
#header .details{border-bottom:1px solid #ddddd8;line-height:1.45;padding-top:0;padding-bottom:2.25em;padding-left:.25em;color:rgba(0,0,0,.6);display:-ms-flexbox;display:-webkit-flex;display:flex;-ms-flex-flow:row wrap;-webkit-flex-flow:row wrap;flex-flow:row wrap}
#header .details span:first-child{margin-left:-.125em}
#header .details span.email a{color:rgba(0,0,0,.85)}
#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:rgba(0,0,0,.85)}
#header .details br + span#revremark:before{content:"\00a0|\00a0"}
#header #revnumber{text-transform:capitalize}
#header #revnumber:after{content:"\00a0"}
#content > h1:first-child:not([class]){color:rgba(0,0,0,.85);border-bottom:1px solid #ddddd8;padding-bottom:8px;margin-top:0;padding-top:1.5rem;margin-bottom:1.25rem}
h1{font-size:2.2rem;letter-spacing:-1px}
h1,h2,h3,h4,h5,h6{font-weight:700}
h1:focus,h2:focus,h3:focus,h4:focus,h5:focus,h6:focus{box-shadow:none;outline:none}
h2,h3,h4,h5,h6{padding:.8rem 0 .4rem}
h1{font-size:1.75em}
h2{font-size:1.6rem;letter-spacing:-1px}
h3{font-size:1.5rem}
h4{font-size:1.4rem}
h5{font-size:1.3rem}
h6{font-size:1.2rem}
pre.highlight{background:#f2f2f2;color:#666;border-radius:4px}
pre.highlight code{color:#222}
pre.highlight a,#toc.toc2 a{color:#000;font-size:1rem}
pre.highlight ul.sectlevel1,#toc.toc2 ul.sectlevel1{padding-left:.2rem}
pre.highlight ul.sectlevel1 li,#toc.toc2 ul.sectlevel1 li{line-height:1.4rem}
::selection{background-color:#faefff}
.literalblock pre::selection,.listingblock pre[class=highlight]::selection,.highlight::selection,pre::selection,.highlight code::selection,.highlight code span::selection{background:rgba(0,0,0,.2)!important}
body.book #header{margin-bottom:2rem}
body.toc2 #header{margin-bottom:0}
.desktop-toc{display:none}
.admonitionblock td.icon{display:none}
.admonitionblock > table td.content{padding-left:1.25em}
.brand-symbol{width:24px;height:24px;vertical-align:sub;margin-right:4px;}
@media only screen and (min-width:768px) {
#toctitle{font-size:1.375em}
.sect1{padding-bottom:1.25em}
.mobile-toc{display:none}
.desktop-toc{display:block}
.literalblock pre,.literalblock pre[class],.listingblock pre,.listingblock pre[class]{font-size:.90625em}
.admonitionblock td.icon{display:table-cell}
.admonitionblock > table td.content{padding-left:0}
body.toc2{padding-right:0}
body.toc2 #toc.toc2{position:absolute;margin-top:0!important;width:15em;top:0;border-top-width:0!important;border-bottom-width:0!important;margin-left:-15.9375em;z-index:1000;padding:1.25em 1em 1.25em 1.25em;overflow:auto}
body.toc2 #toc.toc2 #toctitle{margin-top:0;margin-bottom:.8rem;font-size:1.2em}
body.toc2 #toc.toc2 > ul{font-size:.9em;margin-bottom:0}
body.toc2 #toc.toc2 ul ul{margin-left:0;padding-left:1em}
body.toc2 #toc.toc2 ul.sectlevel0 ul.sectlevel1{padding-left:0;margin-top:.5em;margin-bottom:.5em}
body.toc2 #header,body.toc2 #content,body.toc2 #footnotes,body.toc2 #footer{padding-left:15.9375em;padding-right:1.5rem;max-width:none}
body.book #header-spring h1{max-width:1400px;margin:0 auto}
body.book #header,body.book #content,body.book #footnotes,body.book #footer{max-width:1400px}
body.is-position-fixed #toc.toc2{position:fixed;height:100%}
h1,h2,h3,#toctitle,.sidebarblock > .content > .title,h4,h5,h6{line-height:1.2}
h1{font-size:1.75em}
h2{font-size:1.6em}
h3,#toctitle,.sidebarblock > .content > .title{font-size:1.5em}
h4{font-size:1.4em}
h5{font-size:1.2em}
h6{font-size:1.2em}
#tocbot a.toc-link.node-name--H1{font-style:italic}
#tocbot ol{margin:0;padding:0;padding-left:.6rem}
#tocbot ol li{list-style:none;padding:0;margin:0;display:block}
#tocbot{z-index:999}
#tocbot .toc-link{position:relative;display:block;z-index:999;padding-right:5px;padding-top:4px;padding-bottom:4px}
#tocbot .is-active-link{padding-right:3px;border-right:3px solid #9742ec}
}
@media only screen and (min-width:768px) {
#tocbot > ul.toc-list{margin-bottom:.5em;margin-left:.125em}
#tocbot ul.sectlevel0,#tocbot a.toc-link.node-name--H1 + ul{padding-left:0}
#tocbot a.toc-link{height:100%}
.is-collapsible{max-height:3000px;overflow:hidden}
.is-collapsed{max-height:0}
.is-active-link{font-weight:700}
}
@media only screen and (min-width:768px) {
body.toc2 #header,body.toc2 #content,body.toc2 #footer{background-repeat:repeat-y;background-position:14em 0;background-image:url(data:image/png;base64,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)}
}
@media only screen and (min-width:1280px) {
body.toc2{padding-right:0}body.toc2 #toc.toc2{width:25em;left:auto;margin-left:-26.9375em}body.toc2 #toc.toc2 #toctitle{font-size:1.375em}body.toc2 #toc.toc2 > ul{font-size:.95em}body.toc2 #toc.toc2 ul ul{padding-left:1.25em}body.toc2 body.toc2.toc-right{padding-left:0;padding-right:20em}body.toc2 #header,body.toc2 #content,body.toc2 #footnotes,body.toc2 #footer{padding-left:26.9375em;padding-right:1.5rem;max-width:2000px}body.toc2 #header-spring h1{margin:0 auto;max-width:2000px}.literalblock pre,.literalblock pre[class],.listingblock pre,.listingblock pre[class]{font-size:.90625em}body.toc2 #header,body.toc2 #content,body.toc2 #footer{background-repeat:repeat-y;background-position:24em 0;background-image:url(data:image/png;base64,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)}
}