@font-face{font-family:Geomanist;src:url(/fonts/Geomanist-Light.eot);src:url(/fonts/Geomanist-Light.eot?#iefix) format("embedded-opentype"),url(/fonts/Geomanist-Light.woff2) format("woff2"),url(/fonts/Geomanist-Light.woff) format("woff"),url(/fonts/Geomanist-Light.ttf) format("truetype");font-weight:300}@font-face{font-family:Geomanist;src:url(/fonts/Geomanist-Regular.eot);src:url(/fonts/Geomanist-Regular.eot?#iefix) format("embedded-opentype"),url(/fonts/Geomanist-Regular.woff2) format("woff2"),url(/fonts/Geomanist-Regular.woff) format("woff"),url(/fonts/Geomanist-Regular.ttf) format("truetype");font-weight:400}/*! normalize.css v3.0.2 | MIT License | git.io/normalize */html{font-family:sans-serif;-ms-text-size-adjust:100%;-webkit-text-size-adjust:100%}body{margin:0}article,aside,details,figcaption,figure,footer,header,hgroup,main,menu,nav,section,summary{display:block}audio,canvas,progress,video{display:inline-block;vertical-align:baseline}audio:not([controls]){display:none;height:0}[hidden],template{display:none}a{background-color:transparent}a:active,a:hover{outline:0}abbr[title]{border-bottom:1px dotted}b,strong{font-weight:bold}dfn{font-style:italic}h1{font-size:2em;margin:0.67em 0}mark{background:#ff0;color:#000}small{font-size:80%}sub,sup{font-size:75%;line-height:0;position:relative;vertical-align:baseline}sup{top:-0.5em}sub{bottom:-0.25em}img{border:0}svg:not(:root){overflow:hidden}figure{margin:1em 40px}hr{-moz-box-sizing:content-box;box-sizing:content-box;height:0}pre{overflow:auto}code,kbd,pre,samp{font-family:monospace, monospace;font-size:1em}button,input,optgroup,select,textarea{color:inherit;font:inherit;margin:0}button{overflow:visible}button,select{text-transform:none}button,html input[type="button"],input[type="reset"],input[type="submit"]{-webkit-appearance:button;cursor:pointer}button[disabled],html input[disabled]{cursor:default}button::-moz-focus-inner,input::-moz-focus-inner{border:0;padding:0}input{line-height:normal}input[type="checkbox"],input[type="radio"]{box-sizing:border-box;padding:0}input[type="number"]::-webkit-inner-spin-button,input[type="number"]::-webkit-outer-spin-button{height:auto}input[type="search"]{-webkit-appearance:textfield;-moz-box-sizing:content-box;-webkit-box-sizing:content-box;box-sizing:content-box}input[type="search"]::-webkit-search-cancel-button,input[type="search"]::-webkit-search-decoration{-webkit-appearance:none}fieldset{border:1px solid #c0c0c0;margin:0 2px;padding:0.35em 0.625em 0.75em}legend{border:0;padding:0}textarea{overflow:auto}optgroup{font-weight:bold}table{border-collapse:collapse;border-spacing:0}td,th{padding:0}code[class*="language-"],pre[class*="language-"]{color:black;font-family:Consolas, Monaco, 'Andale Mono', 'Ubuntu Mono', monospace;direction:ltr;text-align:left;white-space:pre;word-spacing:normal;word-break:normal;line-height:1.5;font-size:0.9em;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-hyphens:none;-moz-hyphens:none;-ms-hyphens:none;hyphens:none}pre[class*="language-"]{position:relative;padding-top:0.5em;padding-bottom:0.5em;margin:.5em 0;-webkit-box-shadow:-1px 0px 0px 0px #358ccb, 0px 0px 0px 1px #dfdfdf;-moz-box-shadow:-1px 0px 0px 0px #358ccb, 0px 0px 0px 1px #dfdfdf;box-shadow:-1px 0px 0px 0px #358ccb, 0px 0px 0px 1px #dfdfdf;border-left:10px solid #358ccb;background-color:#fdfdfd;background-image:-webkit-linear-gradient(transparent 50%, rgba(69,142,209,0.04) 50%);background-image:-moz-linear-gradient(transparent 50%, rgba(69,142,209,0.04) 50%);background-image:-ms-linear-gradient(transparent 50%, rgba(69,142,209,0.04) 50%);background-image:-o-linear-gradient(transparent 50%, rgba(69,142,209,0.04) 50%);background-image:linear-gradient(transparent 50%, rgba(69,142,209,0.04) 50%);background-size:3em 3em;background-origin:content-box;overflow:visible}code[class*="language"]{max-height:inherit;height:100%;padding:0 1em;display:block;overflow:auto}:not(pre)>code[class*="language-"],pre[class*="language-"]{background-color:#fdfdfd;-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box;margin-bottom:1em}:not(pre)>code[class*="language-"]{position:relative;padding:.2em;-webkit-border-radius:0.3em;-moz-border-radius:0.3em;-ms-border-radius:0.3em;-o-border-radius:0.3em;border-radius:0.3em;color:#c92c2c;border:1px solid rgba(0,0,0,0.1)}pre[class*="language-"]:before,pre[class*="language-"]:after{content:'';z-index:-2;display:block;position:absolute;bottom:0.75em;left:0.18em;width:40%;height:20%;-webkit-box-shadow:0px 13px 8px #979797;-moz-box-shadow:0px 13px 8px #979797;box-shadow:0px 13px 8px #979797;-webkit-transform:rotate(-2deg);-moz-transform:rotate(-2deg);-ms-transform:rotate(-2deg);-o-transform:rotate(-2deg);transform:rotate(-2deg)}:not(pre)>code[class*="language-"]:after,pre[class*="language-"]:after{right:0.75em;left:auto;-webkit-transform:rotate(2deg);-moz-transform:rotate(2deg);-ms-transform:rotate(2deg);-o-transform:rotate(2deg);transform:rotate(2deg)}.token.comment,.token.block-comment,.token.prolog,.token.doctype,.token.cdata{color:#7D8B99}.token.punctuation{color:#5F6364}.token.property,.token.tag,.token.boolean,.token.number,.token.function-name,.token.constant,.token.symbol,.token.deleted{color:#c92c2c}.token.selector,.token.attr-name,.token.string,.token.char,.token.function,.token.builtin,.token.inserted{color:#2f9c0a}.token.operator,.token.entity,.token.url,.token.variable{color:#a67f59;background:rgba(255,255,255,0.5)}.token.atrule,.token.attr-value,.token.keyword,.token.class-name{color:#1990b8}.token.regex,.token.important{color:#e90}.language-css .token.string,.style .token.string{color:#a67f59;background:rgba(255,255,255,0.5)}.token.important{font-weight:normal}.token.bold{font-weight:bold}.token.italic{font-style:italic}.token.entity{cursor:help}.namespace{opacity:.7}@media screen and (max-width: 767px){pre[class*="language-"]:before,pre[class*="language-"]:after{bottom:14px;-webkit-box-shadow:none;-moz-box-shadow:none;box-shadow:none}}.token.tab:not(:empty):before,.token.cr:before,.token.lf:before{color:#e0d7d1}pre[class*="language-"].line-numbers{padding-left:0}pre[class*="language-"].line-numbers code{padding-left:3.8em}pre[class*="language-"].line-numbers .line-numbers-rows{left:0}html{box-sizing:border-box}*,*:before,*:after{box-sizing:inherit}body,html{margin:0;padding:0;height:100%;font-family:"Geomanist", sans-serif;font-weight:300;font-size:18px;color:#455b66;text-rendering:optimizeLegibility}a:link,a:visited,a:active{text-decoration:none;color:#3D5AFE}a:hover{text-decoration:underline;color:#000}strong{font-size:1.1em}hr{background:#eee;padding:0.1em;border:none;display:block;margin:5em 0}blockquote{border-left-color:#2AE26F;font-style:italic;border-left-style:solid;padding-left:1em}h1,h2,h3,h4,h5,h6{font-weight:400;color:#000}h2{margin:80px 0 40px 0;padding:0;font-size:46px;line-height:1.2em}h3{margin:40px 0 20px 0;padding:0 0 10px 0;line-height:1.2em;font-size:32px;border-bottom:1px solid #eee}h2::before,h3::before{content:" ";display:block;margin-top:-90px;height:90px;visibility:hidden}h3 strong{font-weight:400}h5{margin:30px 0 20px 0;font-size:24px;line-height:26px}h6{margin:0 0 15px 0;font-size:16px;line-height:24px;padding-left:14px}h5 a:link,h5 a:active,h5 a:visited,h6 a:link,h6 a:active,h6 a:visited{text-decoration:none;padding:0 0 0 10px;display:inline-block;color:#000}h5 a:hover,h6 a:hover{color:#3D5AFE}h6 strong{color:#3D5AFE;font-weight:400}p,ol,ul{line-height:26px}ul{list-style:none;padding:0}li{padding-left:2em;text-indent:-0.75em}li::before{content:"• ";color:#2AE26F;position:relative;left:-0.5em}ol li,ul li{line-height:2em}.chapter img:not(.plain){border:1px solid black;margin-right:0.2rem}#toc{position:fixed;width:350px;height:100%;overflow:auto;background-color:#F0F2F9}#toc-padding{padding:6em 2em 10em 2em}#toc-padding h5:first-of-type{margin-top:0}#toc h5{display:flex}#toc button{background-color:transparent;background-image:url("/images/icon-minus-x2.png");background-size:20px;background-repeat:no-repeat;width:20px;height:20px;padding:0;flex:0 0 20px;border:none;text-indent:-9999px}#toc button.closed{background-image:url("/images/icon-plus-x2.png")}body.no-toc #toc{display:none}body.no-toc #book{margin:0 auto}#header{position:fixed;top:0;display:-webkit-flex;display:flex;color:#F6F6F7;background-color:#05232D;z-index:3;width:100%;height:60px;border-bottom:1px solid #EDEDED}#header h1{margin:0;padding-left:2em;font-size:20px;font-weight:300;color:#FFF;flex-grow:2;line-height:64px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.header-btn{width:60px;height:60px;line-height:60px;background-repeat:no-repeat;background-position:center}.header-link{color:white !important;background-color:#21D877;margin:14px 20px;border-radius:5px;font-size:14px;padding:10px}.menu{background-image:url("/images/bars.svg");background-size:25px;display:none}#book{padding:6em 3em 3em 3em;margin-left:350px;max-width:800px}#book img{max-width:100%}#book div:first-of-type h2{margin-top:0}p code,ul code{background:#eee;padding:0 5px 2px;border-radius:4px;position:relative;top:-1px;font-size:90%}code[class*="language-"]{font-size:1em}@media (max-width: 1050px){#toc{width:300px}#header h1{padding-left:1.5em}#toc-padding{padding-left:1.5em;padding-right:1.5em}#book{margin-left:300px;padding-left:2em;padding-right:2em}}@media (max-width: 750px){#content-container{display:block}#header h1{padding-left:0}.header-link{display:none}.menu{display:block}.github{margin-right:0}#toc{display:none;width:100%;z-index:2;overflow:scroll;-webkit-overflow-scrolling:touch}.show-toc #toc{display:block}.show-toc book{display:none}#book{margin:0 auto;padding-left:1em;padding-right:1em}h1{font-size:1.5em}}