<html><head><meta name="color-scheme" content="light dark"></head><body><pre style="word-wrap: break-word; white-space: pre-wrap;">@import url(//fonts.googleapis.com/css?family=Montserrat:700|Open+Sans:300);html,body,div,span,applet,object,iframe,h1,h2,h3,h4,h5,h6,p,blockquote,pre,a,abbr,acronym,address,big,cite,code,del,dfn,em,img,ins,kbd,q,s,samp,small,strike,strong,sub,sup,tt,var,dl,dt,dd,ol,ul,li,fieldset,form,label,legend,table,caption,tbody,tfoot,thead,tr,th,td{margin:0;padding:0;border:0;outline:0;font-weight:inherit;font-style:inherit;font-family:inherit;font-size:102%;vertical-align:baseline}body{line-height:1;color:#000;background:#fff}ol,ul{list-style:none}table{border-collapse:separate;border-spacing:0;vertical-align:middle}caption,th,td{text-align:left;font-weight:normal;vertical-align:middle}a img{border:none}html,body{height:100%}html{overflow-x:hidden}body,td,textarea,input{font-family:Helvetica Neue, Open Sans, sans-serif;line-height:1.6;font-size:13px;color:#505050}@media (max-width: 480px){body,td,textarea,input{font-size:12px}}a{color:#2badad;text-decoration:none}a:hover{color:#228a8a}.content p,.content ul,.content ol,.content h1,.content h2,.content h3,.content h4,.content h5,.content h6,.content pre,.content blockquote{padding:10px 0;-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box}.content h1,.content h2,.content h3,.content h4,.content h5,.content h6{font-weight:bold;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}.content pre{font-family:Menlo, monospace}.content ul&gt;li{list-style-type:disc}.content ol&gt;li{list-style-type:decimal}.content ul,.content ol{margin-left:20px}.content ul&gt;li{list-style-type:none;position:relative}.content ul&gt;li:before{content:'';display:block;position:absolute;left:-17px;top:7px;width:5px;height:5px;-webkit-border-radius:4px;border-radius:4px;-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box;background:#fff;border:solid 1px #9090aa}.content li&gt;:first-child{padding-top:0}.content strong,.content b{font-weight:bold}.content i,.content em{font-style:italic;color:#9090aa}.content code{font-family:Menlo, monospace;background:#f3f6fb;padding:1px 3px;font-size:0.95em;color:#f56969}.content pre&gt;code{display:block;background:transparent;font-size:0.85em;letter-spacing:-1px}.content blockquote :first-child{padding-top:0}.content blockquote :last-child{padding-bottom:0}.content table{margin-top:10px;margin-bottom:10px;padding:0;border-collapse:collapse;clear:both}.content table tr{border-top:1px solid #ccc;background-color:#fff;margin:0;padding:0}.content table tr :nth-child(2n){background-color:#f8f8f8}.content table tr th{text-align:auto;font-weight:bold;border:1px solid #ccc;margin:0;padding:6px 13px}.content table tr td{text-align:auto;border:1px solid #ccc;margin:0;padding:6px 13px}.content table tr th :first-child,.content table tr td :first-child{margin-top:0}.content table tr th :last-child,.content table tr td :last-child{margin-bottom:0}.content-root{min-height:90%;position:relative}.content{padding-top:30px;padding-bottom:40px;padding-left:20%;padding-right:20%;zoom:1;max-width:700px}.content:before,.content:after{content:'';display:table}.content:after{clear:both}.content blockquote{color:#9090aa;text-shadow:0 1px 0 rgba(255,255,255,0.5)}.content h1,.content h2,.content h3{-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;font-family:montserrat;padding-bottom:0}.content h1+p,.content h2+p,.content h3+p,.content h1 ul,.content h2 ul,.content h3 ul,.content h1 ol,.content h2 ol,.content h3 ol{padding-top:10px}.content h1,.content h2{text-transform:uppercase;letter-spacing:1px;font-size:1.5em}.content h3{font-size:1.2em}.content h1,.content h2,.content .big-heading,body.big-h3 .content h3{padding-top:80px}.content h1:before,.content h2:before,.content .big-heading:before,body.big-h3 .content h3:before{display:block;content:'';background:-webkit-gradient(linear, left top, right top, color-stop(0.8, #dfe2e7), color-stop(1, rgba(223,226,231,0)));background:-webkit-linear-gradient(left, #dfe2e7 80%, rgba(223,226,231,0) 100%);background:-moz-linear-gradient(left, #dfe2e7 80%, rgba(223,226,231,0) 100%);background:-o-linear-gradient(left, #dfe2e7 80%, rgba(223,226,231,0) 100%);background:-ms-linear-gradient(left, #dfe2e7 80%, rgba(223,226,231,0) 100%);background:linear-gradient(left, #dfe2e7 80%, rgba(223,226,231,0) 100%);-webkit-box-shadow:0 1px 0 rgba(255,255,255,0.4);box-shadow:0 1px 0 rgba(255,255,255,0.4);height:1px;position:relative;top:-40px;left:-40px;width:100%}@media (max-width: 768px){.content h1,.content h2,.content .big-heading,body.big-h3 .content h3{padding-top:40px}.content h1:before,.content h2:before,.content .big-heading:before,body.big-h3 .content h3:before{background:#dfe2e7;left:-40px;top:-20px;width:120%}}.content h4,.content h5,.content .small-heading,body:not(.big-h3) .content h3{color:#9090aa;padding-top:30px;padding-bottom:10px}body:not(.big-h3) .content h3{font-size:0.9em}.content h1:first-child{padding-top:0}.content h1:first-child,.content h1:first-child a,.content h1:first-child a:visited{color:#505050}.content h1:first-child:before{display:none}@media (max-width: 768px){.content h4,.content h5,.content .small-heading,body:not(.big-h3) .content h3{padding-top:20px}}@media (max-width: 480px){.content{padding:20px;padding-top:40px}.content h4,.content h5,.content .small-heading,body:not(.big-h3) .content h3{padding-top:10px}}body.no-literate .content pre&gt;code{background:#f3f6fb;border:solid 1px #e7eaee;border-top:solid 1px #dbdde2;border-left:solid 1px #e2e5e9;display:block;padding:10px;-webkit-border-radius:2px;border-radius:2px;overflow:auto}body.no-literate .content pre&gt;code{-webkit-overflow-scrolling:touch}body.no-literate .content pre&gt;code::-webkit-scrollbar{width:15px;height:15px}body.no-literate .content pre&gt;code::-webkit-scrollbar-thumb{background:#ddd;-webkit-border-radius:8px;border-radius:8px;border:solid 4px #f3f6fb}body.no-literate .content pre&gt;code:hover::-webkit-scrollbar-thumb{background:#999;-webkit-box-shadow:inset 2px 2px 3px rgba(0,0,0,0.2);box-shadow:inset 2px 2px 3px rgba(0,0,0,0.2)}@media (max-width: 1180px){.content pre&gt;code{background:#f3f6fb;border:solid 1px #e7eaee;border-top:solid 1px #dbdde2;border-left:solid 1px #e2e5e9;display:block;padding:10px;-webkit-border-radius:2px;border-radius:2px;overflow:auto}.content pre&gt;code{-webkit-overflow-scrolling:touch}.content pre&gt;code::-webkit-scrollbar{width:15px;height:15px}.content pre&gt;code::-webkit-scrollbar-thumb{background:#ddd;-webkit-border-radius:8px;border-radius:8px;border:solid 4px #f3f6fb}.content pre&gt;code:hover::-webkit-scrollbar-thumb{background:#999;-webkit-box-shadow:inset 2px 2px 3px rgba(0,0,0,0.2);box-shadow:inset 2px 2px 3px rgba(0,0,0,0.2)}}.button{-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;font-family:montserrat, sans-serif;letter-spacing:-1px;font-weight:bold;display:inline-block;padding:3px 25px;border:solid 2px #2badad;-webkit-border-radius:20px;border-radius:20px;margin-right:15px}.button,.button:visited{background:#2badad;color:#fff;text-shadow:none}.button:hover{border-color:#111;background:#111;color:#fff}.button.light,.button.light:visited{background:transparent;color:#9090aa;border-color:#9090aa;text-shadow:none}.button.light:hover{border-color:#9090aa;background:#9090aa;color:#fff}.content .button+em{color:#9090aa}@media (min-width: 1180px){body:not(.no-literate) .content-root{background-color:#f3f6fb;-webkit-box-shadow:inset 780px 0 #fff, inset 781px 0 #dfe2e7, inset 790px 0 5px -10px rgba(0,0,0,0.1);box-shadow:inset 780px 0 #fff, inset 781px 0 #dfe2e7, inset 790px 0 5px -10px rgba(0,0,0,0.1)}}@media (min-width: 1180px){body:not(.no-literate) .content{padding-left:0;padding-right:0;width:930px;max-width:none}body:not(.no-literate) .content&gt;p,body:not(.no-literate) .content&gt;ul,body:not(.no-literate) .content&gt;ol,body:not(.no-literate) .content&gt;h1,body:not(.no-literate) .content&gt;h2,body:not(.no-literate) .content&gt;h3,body:not(.no-literate) .content&gt;h4,body:not(.no-literate) .content&gt;h5,body:not(.no-literate) .content&gt;h6,body:not(.no-literate) .content&gt;pre,body:not(.no-literate) .content&gt;blockquote{width:550px;-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box;padding-right:40px;padding-left:40px}body:not(.no-literate) .content&gt;h1,body:not(.no-literate) .content&gt;h2,body:not(.no-literate) .content&gt;h3{clear:both;width:100%}body:not(.no-literate) .content&gt;pre,body:not(.no-literate) .content&gt;blockquote{width:380px;padding-left:20px;padding-right:20px;float:right;clear:right}body:not(.no-literate) .content&gt;pre+p,body:not(.no-literate) .content&gt;blockquote+p,body:not(.no-literate) .content&gt;pre+ul,body:not(.no-literate) .content&gt;blockquote+ul,body:not(.no-literate) .content&gt;pre+ol,body:not(.no-literate) .content&gt;blockquote+ol,body:not(.no-literate) .content&gt;pre+h4,body:not(.no-literate) .content&gt;blockquote+h4,body:not(.no-literate) .content&gt;pre+h5,body:not(.no-literate) .content&gt;blockquote+h5,body:not(.no-literate) .content&gt;pre+h6,body:not(.no-literate) .content&gt;blockquote+h6{clear:both}body:not(.no-literate) .content&gt;p,body:not(.no-literate) .content&gt;ul,body:not(.no-literate) .content&gt;ol,body:not(.no-literate) .content&gt;h4,body:not(.no-literate) .content&gt;h5,body:not(.no-literate) .content&gt;h6{float:left;clear:left}body:not(.no-literate) .content&gt;h4,body:not(.no-literate) .content&gt;h5,body:not(.no-literate) .content&gt;.small-heading,body:not(.big-h3) body:not(.no-literate) .content&gt;h3{margin-left:40px;width:470px;margin-bottom:3px;padding-left:0;padding-right:0}body:not(.no-literate) .content&gt;table{margin-left:40px;margin-right:40px;max-width:470px}body:not(.no-literate):not(.big-h3) .content&gt;h3{margin-left:40px;width:470px;margin-bottom:3px;padding-left:0;padding-right:0}}.header{background:#f3f6fb;text-shadow:0 1px 0 rgba(255,255,255,0.5);border-bottom:solid 1px #dfe2e7;padding:15px 15px 15px 30px;zoom:1;line-height:20px;position:relative}.header:before,.header:after{content:'';display:table}.header:after{clear:both}.header .left{float:left}.header .right{text-align:right;position:absolute;right:15px;top:15px}.header .right iframe{display:inline-block;vertical-align:middle}.header h1{-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;font-weight:bold;font-family:montserrat, sans-serif;font-size:13px}.header h1,.header h1 a,.header h1 a:visited{color:#9090aa}.header h1 a:hover{color:#505050}.header li a{font-size:0.88em;color:#9090aa;display:block}.header li a:hover{color:#3a3a44}@media (min-width: 480px){.header h1{float:left}.header ul,.header li{display:block;float:left}.header ul{margin-left:-15px}.header h1+ul{border-left:solid 1px #dfe2e7;margin-left:15px}.header li{border-left:solid 1px rgba(255,255,255,0.5);border-right:solid 1px #dfe2e7}.header li:last-child{border-right:0}.header li a{padding:0 15px}}@media (max-width: 480px){.right{display:none}}.menubar{-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}.menubar .section{padding:30px 30px;-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box}.menubar .section+.section{border-top:solid 1px #dfe2e7}.menubar .section.no-line{border-top:0;padding-top:0}a.big.button{display:block;-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box;width:100%;padding:10px 20px;text-align:center;font-weight:bold;font-size:1.1em;background:transparent;border:solid 3px #2badad;-webkit-border-radius:30px;border-radius:30px;font-family:montserrat, sans-serif}a.big.button,a.big.button:visited{color:#2badad;text-decoration:none}a.big.button:hover{background:#2badad}a.big.button:hover,a.big.button:hover:visited{color:#fff}@media (max-width: 480px){.menubar{padding:20px;border-bottom:solid 1px #dfe2e7}}@media (max-width: 768px){.menubar{display:none}}@media (min-width: 768px){.content-root{padding-left:230px}.menubar{position:absolute;left:0;top:0;bottom:0;width:250px;border-right:solid 1px #dfe2e7}.menubar.fixed{position:fixed;overflow-y:auto}.menubar.fixed{-webkit-overflow-scrolling:touch}.menubar.fixed::-webkit-scrollbar{width:15px;height:15px}.menubar.fixed::-webkit-scrollbar-thumb{background:#ddd;-webkit-border-radius:8px;border-radius:8px;border:solid 4px #fff}.menubar.fixed:hover::-webkit-scrollbar-thumb{background:#999;-webkit-box-shadow:inset 2px 2px 3px rgba(0,0,0,0.2);box-shadow:inset 2px 2px 3px rgba(0,0,0,0.2)}}.menubar{font-size:0.9em}.menu ul.level-1&gt;li+li{margin-top:20px}.menu a{-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box;position:relative;display:block;padding-top:1px;padding-bottom:1px;margin-right:-30px}.menu a,.menu a:visited{color:#2badad}.menu a:hover{color:#228a8a}.menu a.level-1{font-family:montserrat, sans-serif;text-transform:uppercase;font-size:0.9em;font-weight:bold}.menu a.level-1,.menu a.level-1:visited{color:#9090aa}.menu a.level-1:hover{color:#565666}.menu a.level-2{font-weight:normal}.menu a.level-3{font-weight:normal;font-size:0.9em;padding-left:10px}.menu a.active{font-weight:bold !important}.menu a.active,.menu a.active:visited,.menu a.active:hover{color:#505050 !important}.menu a.active:after{content:'';display:block;-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box;position:absolute;top:10px;right:30px;width:9px;height:3px;-webkit-border-radius:2px;border-radius:2px;background:#2badad}code .string,code .number{color:#3ac}code .init{color:#383}code .keyword{font-weight:bold}code .comment{color:#adadcc}.large-brief .content&gt;h1:first-child+p,.content&gt;p.brief{font-size:1.3em;font-family:Open Sans, sans-serif;font-weight:300}.title-area{min-height:100px;-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;text-align:center;border-bottom:solid 1px #dfe2e7;overflow:hidden}.title-area&gt;img.bg{z-index:0;position:absolute;left:-9999px}.title-area&gt;div{position:relative;z-index:1}
</pre></body></html>