@charset "UTF-8";.pagination{display:flex;align-items:stretch;margin:2em 0;overflow:hidden;width:100%}.next-post,.previous-post{position:relative;line-height:130%;padding:1em .4em;font-size:.842105263em;text-decoration:none}@media (min-width:31.25em){.next-post,.previous-post{width:50%}}.next-post:focus,.next-post:hover,.previous-post:focus,.previous-post:hover{background-color:#f6f6f6}.previous-post{text-align:left;float:left;padding-left:1em}.next-post{text-align:right;float:right;padding-right:1em}.next-post:after,.previous-post:before{color:#aaa;position:absolute;top:1.5em;text-transform:uppercase;font-size:.75em}.next-post:active:after,.next-post:hover:after,.previous-post:active:before,.previous-post:hover:before{text-decoration:underline}.previous-post:before{content:"«";left:.4em}.next-post:after{content:"»";right:.4em}.next-post:focus:after,.next-post:hover:after,.previous-post:focus:before,.previous-post:hover:before{color:inherit}@media (min-width:37.5em){.previous-post{padding-left:5em}.next-post{padding-right:3.375em}.previous-post:before{content:"« Previous"}.next-post:after{content:"Next »"}}.action,.deprecation-warning{font-size:1.125em;margin-top:3em;line-height:140%;background:#ffc;border:1px solid #ccc;padding:.5em}.twitter-follow+.action{margin-top:1em}.action p:first-child{margin-top:0}.action p{margin:.5em 0 0 0;text-align:center}.action a{white-space:nowrap;text-decoration:none}.action a{font-style:normal;font-weight:700}.webfont-stage-2 .action a{font-family:LatoBold,sans-serif}.action a i{vertical-align:text-bottom;display:none;width:32px;height:32px;margin-left:.2em}.grunticon .action a i{display:inline-block}.action a.twitter,.action a.twitter:visited{color:#00c9ff}.action a.github,.action a.github:visited{color:#000}.action a.feed,.action a.feed:visited{color:#ff9132}.deprecation-warning{margin-top:1em}.deprecation-warning h3{display:inline;line-height:2;margin-right:.6em}.deprecation-warning h3:after{content:':'}.deprecation-warning p{margin:0}.deprecation-warning p{font-style:italic;font-weight:400}.webfont-stage-2 .deprecation-warning p{font-family:LatoItalic,sans-serif}.fluid-width-video-wrapper{width:100%;position:relative;padding:0;padding-top:56.25%}.fluid-width-video-wrapper embed,.fluid-width-video-wrapper iframe,.fluid-width-video-wrapper object{position:absolute;top:0;left:0;width:100%;height:100%}.twitter-follow{display:none}.enhanced-js.tmpl-page .twitter-follow{display:block;text-align:center;margin-top:1em}.enhanced-js.tmpl-page .content .twitter-follow{margin-top:4em}.w3c-b:before{display:none}@media (min-width:42em){.enhanced-js.tmpl-page.w3c-b:before{display:block;z-index:1}}.language-css .err{border:none!important}@media only all{.w3c-b{position:relative}.w3c-b:before,.w3c-custom{position:absolute;left:0;top:0;min-width:20em;background:#00599b;color:#fff;text-align:right;font:lighter 1.1875em Gill Sans,sans-serif;padding:.1em 2em .1em 0;-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box;-webkit-transform-origin:top left;-ms-transform-origin:top left;transform-origin:top left;-webkit-transform:translateY(20em) rotate(270deg);-ms-transform:translateY(20em) rotate(270deg);transform:translateY(20em) rotate(270deg)}.w3c-b.wd:before{content:"W3C Working Draft"}.w3c-b.cr:before{content:"W3C Candidate Recommendation"}.w3c-b.pr:before{content:"W3C Proposed Recommendation"}.w3c-b.per:before{content:"W3C Proposed Edit Recommendation"}.w3c-b.r:before{content:"W3C Recommendation"}.w3c-b.ign:before{content:"W3C Interest Group Note"}.w3c-b.wgn:before{content:"W3C Working Group Note"}.w3c-b.cgn:before{content:"W3C Coordination Group Note"}.w3c-b.lcwd:before{content:"W3C Last Call Working Draft"}.w3c-b.n:before{content:"W3C Note"}.w3c-b.ud:before,.w3c-custom.green{background:#00a400}.w3c-b.ud:before{content:"Unofficial Draft"}.w3c-b.ed:before,.w3c-custom.red{background:red}.w3c-b.ed:before{content:"W3C Editor’s Draft"}.w3c-b.rr:before,.w3c-custom.black{background:#000}.w3c-b.rr:before{content:"W3C Rescinded Recommendation"}.w3c-b[data-w3c-banner-label]:before{content:attr(data-w3c-banner-label)}.w3c-b.w3c-b:before,.w3c-custom.w3c-custom{text-shadow:0 0 4px rgba(0,0,0,.6);box-shadow:0 0 2px rgba(0,0,0,.6)}.enhanced-js.tmpl-list.w3c-b:before,.enhanced-js.tmpl-list.w3c-custom:before,.enhanced-js.tmpl-page.wider.w3c-b:before,.enhanced-js.tmpl-page.wider.w3c-custom:before{display:none}}.hll{background-color:#ffc}.c{color:#408080;font-style:italic}.err{border:1px solid red}.k{color:green;font-weight:700}.o{color:#666}.cm{color:#408080;font-style:italic}.cp{color:#bc7a00}.c1{color:#408080;font-style:italic}.cs{color:#408080;font-style:italic}.gd{color:#a00000}.ge{font-style:italic}.gr{color:red}.gh{color:navy;font-weight:700}.gi{color:#00a000}.go{color:#888}.gp{color:navy;font-weight:700}.gs{font-weight:700}.gu{color:purple;font-weight:700}.gt{color:#04d}.kc{color:green;font-weight:700}.kd{color:green;font-weight:700}.kn{color:green;font-weight:700}.kp{color:green}.kr{color:green;font-weight:700}.kt{color:#b00040}.m{color:#666}.s{color:#ba2121}.na{color:#7d9029}.nb{color:green}.nc{color:#00f;font-weight:700}.no{color:#800}.nd{color:#a2f}.ni{color:#999;font-weight:700}.ne{color:#d2413a;font-weight:700}.nf{color:#00f}.nl{color:#a0a000}.nn{color:#00f;font-weight:700}.nt{color:green;font-weight:700}.nv{color:#19177c}.ow{color:#a2f;font-weight:700}.w{color:#bbb}.mf{color:#666}.mh{color:#666}.mi{color:#666}.mo{color:#666}.sb{color:#ba2121}.sc{color:#ba2121}.sd{color:#ba2121;font-style:italic}.s2{color:#ba2121}.se{color:#b62;font-weight:700}.sh{color:#ba2121}.si{color:#b68;font-weight:700}.sx{color:green}.sr{color:#b68}.s1{color:#ba2121}.ss{color:#19177c}.bp{color:green}.vc{color:#19177c}.vg{color:#19177c}.vi{color:#19177c}.il{color:#666}.better,.worse{white-space:nowrap}.better,.worse{font-style:normal;font-weight:700}.webfont-stage-2 .better,.webfont-stage-2 .worse{font-family:LatoBold,sans-serif}.worse{color:#cb000f}.better{color:#00882d}td.emulate,td.no,td.yes{color:#fff}td.yes{background-color:#00882d}td.no{background-color:#cb000f}td.emulate{background-color:#40a662}.infinity-burger{display:none}@media only all{.infinity-burger.enabled{display:block}.infinity-burger{position:absolute;top:1em;right:1em;width:1.5em;cursor:pointer}.infinity-burger div{position:relative;opacity:1;transition:transform .6s cubic-bezier(.13,.49,.29,.87),opacity .6s cubic-bezier(.13,.49,.29,.87)}.infinity-burger div.beforeanimate{opacity:0}.infinity-burger div,.infinity-burger div:after,.infinity-burger div:before{display:block;border-top:3px solid #666;padding-bottom:3px;background-color:rgba(255,255,255,.7)}}.font-foit,.font-foit *,.font-foit :after,.font-foit :before{font-family:sans-serif!important;color:transparent!important}.font-fallback,.font-fallback *,.font-fallback :after,.font-fallback :before{font-family:sans-serif!important}.font-latosubset,.font-latosubset *,.font-latosubset :after,.font-latosubset :before{font-family:LatoSubset,sans-serif!important}.fontloademu,.fontloademu *{font-family:LatoItalic,sans-serif!important;color:#525252!important}.swatches{overflow:hidden}.swatch{float:left;padding:.75em;margin-right:.25em;margin-bottom:.25em;border-radius:5px}@supports (box-decoration-break:clone) or (-webkit-box-decoration-break:clone){.text-highlight.text-highlight{display:inline;padding:0 .2em;-webkit-box-decoration-break:clone;box-decoration-break:clone}}.post-filter{display:none;font-size:.75em;padding:0 .666666667em;margin-top:2em}.enhanced-js .post-filter{display:block}.enhanced-js .posts:not(.enhanced):not(.posts-showall) .deprecated{position:absolute;height:1px;width:1px;overflow:hidden;clip:rect(1px,1px,1px,1px)}.enhanced-js .posts.deprecated .deprecated{position:absolute;height:1px;width:1px;overflow:hidden;clip:rect(1px,1px,1px,1px)}.printed-page{border:1px solid #999;box-shadow:4px 4px 0 #ddd;padding:3em;font-size:14px}.printed-page>img{display:block;max-width:150px;margin:0 auto 3em}.printed-page .redacted{background-color:#000}.printed-page pre{border-color:transparent;background-color:transparent}.retweettoshare{position:relative;overflow:hidden;margin-top:4em;margin-bottom:-2.5em;padding:1.5em .5em 0;border-radius:4px;border:3px solid #19cf86}.retweettoshare-m{margin-bottom:0}.retweettoshare_title{position:absolute;z-index:2;top:0;left:0;width:100%;min-height:4em;font-size:.8421052631579em;border:none;margin:0;text-align:center;color:#19cf86;background:rgba(255,255,255,.9);background:linear-gradient(to bottom,#fff,rgba(255,255,255,.8) 60%,transparent 100%);pointer-events:none}.retweettoshare_widget .twitter-tweet{margin-left:auto;margin-right:auto}.retweettoshare_widget .twitter-tweet-rendered{margin-top:-48px!important}.retweettoshare_widget blockquote{margin-top:0}.fontloademu{margin-top:1em;font-size:.9285714285714em}.fontloademu label{display:block;white-space:nowrap;margin-left:.5em}@media (min-width:37.5em){.fontloademu label{display:inline-block}}