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,b,u,i,center,dl,dt,dd,ol,ul,li,fieldset,form,label,legend,table,caption,tbody,tfoot,thead,tr,th,td,article,aside,canvas,details,embed,figure,figcaption,footer,header,hgroup,menu,nav,output,ruby,section,summary,time,mark,audio,video{margin:0;padding:0;border:0;font:inherit;font-size:100%;vertical-align:baseline}html{line-height:1}ol,ul{list-style:none}table{border-collapse:collapse;border-spacing:0}caption,th,td{text-align:left;font-weight:normal;vertical-align:middle}q,blockquote{quotes:none}q:before,q:after,blockquote:before,blockquote:after{content:"";content:none}a img{border:none}article,aside,details,figcaption,figure,footer,header,hgroup,main,menu,nav,section,summary{display:block}a{color:#1863a1}a:visited{color:#751590}a:focus{color:#0181eb}a:hover{color:#0181eb}a:active{color:#01579f}a{-moz-transition:color 0.3s;-o-transition:color 0.3s;-webkit-transition:color 0.3s;transition:color 0.3s}html{background:#252525 top left}body>div{background:#f8f8f8 none;border-bottom:1px solid #ebebeb}body>div>div{background:#f8f8f8 none}.heading,body>header h1,h1,h2,h3,h4,h5,h6{font-family:"Helvetica Neue",Arial,sans-serif}.sans,body,body>header h2,article>footer{font-family:"Helvetica Neue",Arial,sans-serif}.serif{font-family:"PT Serif",Georgia,Times,"Times New Roman",serif}.mono,pre,code,tt,p code,li code{font-family:Menlo,Monaco,"Andale Mono","lucida console","Courier New",monospace}body>header h1{font-family:"Helvetica Neue",Arial,sans-serif;font-weight:normal;line-height:1.2em}body>header h2{font-family:"Helvetica Neue",Arial,sans-serif}body{line-height:1.5em;color:#222}h1{font-size:1.5em;line-height:1.2em}@media only screen and (min-width: 992px){body{font-size:1.25em}}h1,h2,h3,h4,h5,h6{text-rendering:optimizelegibility;margin-bottom:1em;font-weight:bold}h2,section h1{font-size:1.5em}h3,section h2,section section h1{font-size:1.3em}h4,section h3,section section h2,section section section h1{font-size:1em}h5,section h4,section section h3{font-size:.9em}h6,section h5,section section h4,section section section h3{font-size:.8em}p,article blockquote,ul,ol{margin-bottom:1.5em}ul{list-style-type:disc}ul ul{list-style-type:circle;margin-bottom:0px}ul ul ul{list-style-type:square;margin-bottom:0px}ol{list-style-type:decimal}ol ol{list-style-type:lower-alpha;margin-bottom:0px}ol ol ol{list-style-type:lower-roman;margin-bottom:0px}ul,ul ul,ul ol,ol,ol ul,ol ol{margin-left:1.3em}ul ul,ul ol,ol ul,ol ol{margin-bottom:0em}strong{font-weight:bold}em{font-style:italic}sup,sub{font-size:0.75em;position:relative;display:inline-block;padding:0 .2em;line-height:.8em}sup{top:-.5em}sub{bottom:-.5em}a[rev='footnote']{font-size:.75em;padding:0 .3em;line-height:1}q{font-style:italic}q:before{content:"\201C"}q:after{content:"\201D"}em,dfn{font-style:italic}strong,dfn{font-weight:bold}del,s{text-decoration:line-through}abbr,acronym{border-bottom:1px dotted;cursor:help}hr{margin-bottom:0.2em}small{font-size:.8em}big{font-size:1.2em}article blockquote{font-style:italic;position:relative;font-size:1.2em;line-height:1.5em;padding-left:1em;border-left:4px solid rgba(170,170,170,0.5)}article blockquote cite{font-style:italic}article blockquote cite a{color:#aaa !important;word-wrap:break-word}article blockquote cite:before{content:'\2014';padding-right:.3em;padding-left:.3em;color:#aaa}@media only screen and (min-width: 992px){article blockquote{padding-left:1.5em;border-left-width:4px}}.pullquote-right:before,.pullquote-left:before{padding:0;border:none;content:attr(data-pullquote);float:right;width:45%;margin:.5em 0 1em 1.5em;position:relative;top:7px;font-size:1.4em;line-height:1.45em}.pullquote-left:before{float:left;margin:.5em 1.5em 1em 0}.force-wrap,article a{white-space:-moz-pre-wrap;white-space:-pre-wrap;white-space:-o-pre-wrap;white-space:pre-wrap;word-wrap:break-word}.group,body>header,body>nav,body>footer,body #content>article,body #content>div>article,body #content>div>section,body div.pagination,#main,#content{*zoom:1}.group:after,body>header:after,body>nav:after,body>footer:after,body #content>article:after,body #content>div>article:after,body #content>div>section:after,body div.pagination:after,#main:after,#content:after{content:"";display:table;clear:both}body{-webkit-text-size-adjust:none;max-width:1000px;position:relative;margin:0 auto}body>header,body>nav,body>footer,body #content>article,body #content>div>article,body #content>div>section{padding-left:18px;padding-right:18px}@media only screen and (min-width: 480px){body>header,body>nav,body>footer,body #content>article,body #content>div>article,body #content>div>section{padding-left:25px;padding-right:25px}}@media only screen and (min-width: 768px){body>header,body>nav,body>footer,body #content>article,body #content>div>article,body #content>div>section{padding-left:35px;padding-right:35px}}@media only screen and (min-width: 992px){body>header,body>nav,body>footer,body #content>article,body #content>div>article,body #content>div>section{padding-left:85px;padding-right:85px}}body div.pagination{margin-left:18px;margin-right:18px}@media only screen and (min-width: 480px){body div.pagination{margin-left:25px;margin-right:25px}}@media only screen and (min-width: 768px){body div.pagination{margin-left:35px;margin-right:35px}}@media only screen and (min-width: 992px){body div.pagination{margin-left:85px;margin-right:85px}}body>header{font-size:1em;padding-top:0.5em;padding-bottom:0}body figure{margin-bottom:0.5em}body figure img{margin-bottom:0}body figure figcaption{text-align:center;margin-top:0;padding-top:0;font-style:italic;font-size:0.9em}#content{overflow:hidden}#content>div,#content>article{width:100%}.flex-content,article img,article video,article .flash-video{max-width:100%;height:auto}.basic-alignment.left,article img.left,article video.left,article .left.flash-video{float:left;margin-right:1.5em}.basic-alignment.right,article img.right,article video.right,article .right.flash-video{float:right;margin-left:1.5em}.basic-alignment.center,article img.center,article video.center,article .center.flash-video{display:block;margin:0 auto 1.5em}.basic-alignment.left,article img.left,article video.left,article .left.flash-video,.basic-alignment.right,article img.right,article video.right,article .right.flash-video{margin-bottom:.8em}@media only screen and (min-width: 550px){body>header{font-size:1em}}@media only screen and (min-width: 768px){body{-webkit-text-size-adjust:auto}body>header{font-size:1.2em}#main{padding:0;margin:0 auto}#content{overflow:visible;margin-right:0;border-right:0}#content>div,#content>article{padding-top:0;padding-bottom:17.5px;float:left}}@media only screen and (min-width: 992px){body>header{font-size:1.3em}#content>div,#content>article{padding-top:0;padding-bottom:42.5px}}*+table{border-style:solid;border-width:1px;border-color:#e7e3e7}*+table th,*+table td{border-style:dashed;border-width:1px;border-color:#e7e3e7;padding-left:3px;padding-right:3px}*+table th{border-style:solid;font-weight:bold;background:url("/images/noise.png?1330434582") repeat scroll left top #F7F3F7}*+table th[align="left"],*+table td[align="left"]{text-align:left}*+table th[align="right"],*+table td[align="right"]{text-align:right}*+table th[align="center"],*+table td[align="center"]{text-align:center}body>header{background:#f8f8f8}body>header h1{display:inline-block;margin:0}body>header h1 a,body>header h1 a:visited,body>header h1 a:hover{color:#222;text-decoration:none}body>header h2{margin:.2em 0 0;font-size:1em;color:#222;font-weight:normal}body>nav{position:relative;background-color:#f8f8f8;background:#ccc,default;border-top:1px solid none;border-bottom:1px solid #ebebeb;padding-top:.35em;padding-bottom:.35em}body>nav form{margin:0;padding:0}body>nav form .search{padding:.3em .5em 0;font-size:.85em;line-height:1.1em;-moz-background-clip:padding;-o-background-clip:padding-box;-webkit-background-clip:padding;background-clip:padding-box;border:1px solid none;color:#888}body>nav form .search:focus{color:#444;outline:none}body>nav fieldset[role=search]{float:right;width:48%}body>nav ul{display:none}@media only screen and (min-width: 550px){body>nav{font-size:.9em}body>nav ul{margin:0;padding:0;border:0;overflow:hidden;*zoom:1;float:left;display:block;padding-top:.15em}body>nav ul li{list-style-image:none;list-style-type:none;margin-left:0;white-space:nowrap;float:left;padding-left:0;padding-right:0}body>nav ul li:first-child{padding-left:0}body>nav ul li:last-child{padding-right:0}body>nav ul li.last{padding-right:0}body>nav ul.subscription{margin-left:.8em;float:right}body>nav ul.subscription li:last-child a{padding-right:0}body>nav ul li{margin:0}body>nav a{color:#979797;font-family:"Helvetica Neue",Arial,sans-serif;float:left;text-decoration:none;font-size:1.1em;padding:.1em 0;line-height:1.5em}body>nav a:visited{color:#979797}body>nav a:hover{color:#575757}body>nav li+li{border-left:1px solid none;margin-left:.8em}body>nav li+li a{padding-left:.8em;border-left:1px solid none}body>nav form{float:right;text-align:left;padding-left:.8em}body>nav form .search{width:93%;font-size:.95em;line-height:1.2em}body>nav ul[data-subscription$=email]+form .search{width:91%}body>nav fieldset.mobile-nav{display:none}body>nav fieldset[role=search]{width:99%}}.no-placeholder body>nav .search{background:#fff url('/images/search.png?1422989192') 0.3em 0.25em no-repeat;text-indent:1.3em}article{padding-top:1em}article header{padding-top:1em;margin-bottom:1em;background:none bottom left repeat-x}article header h1{margin:0}article header h1 a{text-decoration:none}article header h1 a:hover{text-decoration:underline}article header p{font-size:.9em;color:#aaa;margin:0}article header p.meta{text-transform:uppercase}@media only screen and (min-width: 768px){article header{margin-bottom:1.5em;background:none bottom left repeat-x}}article h2{padding-top:0.8em;background:none top left repeat-x}.entry-content article h2:first-child,article header+h2{padding-top:0}article h2:first-child,article header+h2{background:none}article .feature{padding-top:.5em;margin-bottom:1em;padding-bottom:1em;background:none bottom left repeat-x;font-size:2.0em;font-style:italic;line-height:1.3em}article video,article .flash-video{margin:0 auto 1.5em}article video{display:block;width:100%}article .flash-video>div{position:relative;display:block;padding-bottom:56.25%;padding-top:1px;height:0;overflow:hidden}article .flash-video>div iframe,article .flash-video>div object,article .flash-video>div embed{position:absolute;top:0;left:0;width:100%;height:100%}article>footer{padding-bottom:2.5em;margin-top:2em}article>footer p.meta{margin-bottom:.8em;font-size:.85em;clear:both;overflow:hidden}.blog-index article+article{background:none top left repeat-x}#content .blog-index,#content .home{padding-top:0;padding-bottom:0}#content .blog-index article header,#content .home article header{background:none;padding-bottom:0}#content .blog-index article h1,#content .home article h1{font-size:1.5em}#content .blog-index article h1 a,#content .home article h1 a{color:inherit}#content .blog-index article h1 a:hover,#content .home article h1 a:hover{color:#0181eb}#content .blog-index a[rel=full-article],#content .home a[rel=full-article]{background:#ebebeb;display:inline-block;padding:.4em .8em;margin-right:.5em;text-decoration:none;color:#666;-moz-transition:background-color 0.5s;-o-transition:background-color 0.5s;-webkit-transition:background-color 0.5s;transition:background-color 0.5s}#content .blog-index a[rel=full-article]:hover,#content .home a[rel=full-article]:hover{background:#0181eb;text-shadow:none;color:#f8f8f8}.separator,article>footer .byline+time:before,article>footer time+time:before,article>footer .comments:before,article>footer .byline ~ .categories:before{content:"\2022 ";padding:0 .4em 0 .2em;display:inline-block}#content div.pagination{text-align:center;font-size:.95em;position:relative;background:none top left repeat-x;padding-top:1.5em;padding-bottom:1.5em}#content div.pagination a{text-decoration:none;color:#aaa}#content div.pagination a.prev{position:absolute;left:0}#content div.pagination a.next{position:absolute;right:0}#content div.pagination a:hover{color:#0181eb}#content div.pagination a[href*=archive]:before,#content div.pagination a[href*=archive]:after{content:'\2014';padding:0 .3em}p.meta+.sharing{padding-top:1em;padding-left:0;background:none top left repeat-x}#fb-root{display:none}.highlight,html .gist .gist-file .gist-syntax .gist-highlight{border:1px solid #05232b !important}.highlight table td.code,html .gist .gist-file .gist-syntax .gist-highlight table td.code{width:100%}.highlight .line-numbers,html .gist .gist-file .gist-syntax .highlight .line_numbers{text-align:right;font-size:13px;line-height:1.45em;background:#073642 none !important;border-right:1px solid #00232c !important;-moz-box-shadow:#083e4b -1px 0 inset;-webkit-box-shadow:#083e4b -1px 0 inset;box-shadow:#083e4b -1px 0 inset;text-shadow:#021014 0 -1px;padding:.8em !important}.highlight .line-numbers span,html .gist .gist-file .gist-syntax .highlight .line_numbers span{color:#586e75 !important}figure.code,.gist-file,pre{-moz-box-shadow:rgba(0,0,0,0.06) 0 0 10px;-webkit-box-shadow:rgba(0,0,0,0.06) 0 0 10px;box-shadow:rgba(0,0,0,0.06) 0 0 10px}figure.code .highlight pre,.gist-file .highlight pre,pre .highlight pre{-moz-box-shadow:none;-webkit-box-shadow:none;box-shadow:none}.gist .highlight *::-moz-selection,figure.code .highlight *::-moz-selection{background:#386774;color:inherit;text-shadow:#002b36 0 1px}.gist .highlight *::-webkit-selection,figure.code .highlight *::-webkit-selection{background:#386774;color:inherit;text-shadow:#002b36 0 1px}.gist .highlight *::selection,figure.code .highlight *::selection{background:#386774;color:inherit;text-shadow:#002b36 0 1px}pre{background:#002b36 none;border:1px solid #05232b;line-height:1.45em;font-size:13px;margin-bottom:2.1em;padding:.8em 1em;color:#93a1a1;overflow:auto}h3.filename+pre{-moz-border-radius-topleft:0px;-webkit-border-top-left-radius:0px;border-top-left-radius:0px;-moz-border-radius-topright:0px;-webkit-border-top-right-radius:0px;border-top-right-radius:0px}p code,li code{display:inline-block;white-space:no-wrap;background:#fff;font-size:.8em;line-height:1.5em;color:#555;border:1px solid #ddd;padding:0 .3em;margin:-1px 0}p pre code,li pre code{font-size:1em !important;background:none;border:none}.pre-code,.highlight code{font-family:Menlo,Monaco,"Andale Mono","lucida console","Courier New",monospace !important;overflow:scroll;overflow-y:hidden;display:block;padding:.8em;overflow-x:auto;line-height:1.45em;background:#002b36 none !important;color:#93a1a1 !important}.pre-code span,.highlight code span{color:#93a1a1 !important}.pre-code span,.highlight code span{font-style:normal !important;font-weight:normal !important}.pre-code .c,.highlight code .c{color:#586e75 !important;font-style:italic !important}.pre-code .cm,.highlight code .cm{color:#586e75 !important;font-style:italic !important}.pre-code .cp,.highlight code .cp{color:#586e75 !important;font-style:italic !important}.pre-code .c1,.highlight code .c1{color:#586e75 !important;font-style:italic !important}.pre-code .cs,.highlight code .cs{color:#586e75 !important;font-weight:bold !important;font-style:italic !important}.pre-code .err,.highlight code .err{color:#dc322f !important;background:none !important}.pre-code .k,.highlight code .k{color:#cb4b16 !important}.pre-code .o,.highlight code .o{color:#93a1a1 !important;font-weight:bold !important}.pre-code .p,.highlight code .p{color:#93a1a1 !important}.pre-code .ow,.highlight code .ow{color:#2aa198 !important;font-weight:bold !important}.pre-code .gd,.highlight code .gd{color:#93a1a1 !important;background-color:#372c34 !important;display:inline-block}.pre-code .gd .x,.highlight code .gd .x{color:#93a1a1 !important;background-color:#4d2d33 !important;display:inline-block}.pre-code .ge,.highlight code .ge{color:#93a1a1 !important;font-style:italic !important}.pre-code .gh,.highlight code .gh{color:#586e75 !important}.pre-code .gi,.highlight code .gi{color:#93a1a1 !important;background-color:#1a412b !important;display:inline-block}.pre-code .gi .x,.highlight code .gi .x{color:#93a1a1 !important;background-color:#355720 !important;display:inline-block}.pre-code .gs,.highlight code .gs{color:#93a1a1 !important;font-weight:bold !important}.pre-code .gu,.highlight code .gu{color:#6c71c4 !important}.pre-code .kc,.highlight code .kc{color:#859900 !important;font-weight:bold !important}.pre-code .kd,.highlight code .kd{color:#268bd2 !important}.pre-code .kp,.highlight code .kp{color:#cb4b16 !important;font-weight:bold !important}.pre-code .kr,.highlight code .kr{color:#d33682 !important;font-weight:bold !important}.pre-code .kt,.highlight code .kt{color:#2aa198 !important}.pre-code .n,.highlight code .n{color:#268bd2 !important}.pre-code .na,.highlight code .na{color:#268bd2 !important}.pre-code .nb,.highlight code .nb{color:#859900 !important}.pre-code .nc,.highlight code .nc{color:#d33682 !important}.pre-code .no,.highlight code .no{color:#b58900 !important}.pre-code .nl,.highlight code .nl{color:#859900 !important}.pre-code .ne,.highlight code .ne{color:#268bd2 !important;font-weight:bold !important}.pre-code .nf,.highlight code .nf{color:#268bd2 !important;font-weight:bold !important}.pre-code .nn,.highlight code .nn{color:#b58900 !important}.pre-code .nt,.highlight code .nt{color:#268bd2 !important;font-weight:bold !important}.pre-code .nx,.highlight code .nx{color:#b58900 !important}.pre-code .vg,.highlight code .vg{color:#268bd2 !important}.pre-code .vi,.highlight code .vi{color:#268bd2 !important}.pre-code .nv,.highlight code .nv{color:#268bd2 !important}.pre-code .mf,.highlight code .mf{color:#2aa198 !important}.pre-code .m,.highlight code .m{color:#2aa198 !important}.pre-code .mh,.highlight code .mh{color:#2aa198 !important}.pre-code .mi,.highlight code .mi{color:#2aa198 !important}.pre-code .s,.highlight code .s{color:#2aa198 !important}.pre-code .sd,.highlight code .sd{color:#2aa198 !important}.pre-code .s2,.highlight code .s2{color:#2aa198 !important}.pre-code .se,.highlight code .se{color:#dc322f !important}.pre-code .si,.highlight code .si{color:#268bd2 !important}.pre-code .sr,.highlight code .sr{color:#2aa198 !important}.pre-code .s1,.highlight code .s1{color:#2aa198 !important}.pre-code div .gd,.highlight code div .gd,.pre-code div .gd .x,.highlight code div .gd .x,.pre-code div .gi,.highlight code div .gi,.pre-code div .gi .x,.highlight code div .gi .x{display:inline-block;width:100%}.highlight,.gist-highlight{margin-bottom:1.8em;background:#002b36;overflow-y:hidden;overflow-x:auto}.highlight pre,.gist-highlight pre{background:none;border:none;padding:0;margin-bottom:0}pre::-webkit-scrollbar,.highlight::-webkit-scrollbar,.gist-highlight::-webkit-scrollbar{height:.5em;background:rgba(255,255,255,0.15)}pre::-webkit-scrollbar-thumb:horizontal,.highlight::-webkit-scrollbar-thumb:horizontal,.gist-highlight::-webkit-scrollbar-thumb:horizontal{background:rgba(255,255,255,0.2)}.highlight code{background:#000}figure.code{background:none;padding:0;border:0;margin-bottom:1.5em}figure.code pre{margin-bottom:0}figure.code figcaption{position:relative}figure.code .highlight{margin-bottom:0}.code-title,h3.filename,figure.code figcaption{text-align:center;font-size:13px;line-height:2em;text-shadow:#cbcccc 0 1px 0;color:#474747;font-weight:normal;margin-bottom:0;-moz-border-radius-topleft:5px;-webkit-border-top-left-radius:5px;border-top-left-radius:5px;-moz-border-radius-topright:5px;-webkit-border-top-right-radius:5px;border-top-right-radius:5px;font-family:"Helvetica Neue", Arial, "Lucida Grande", "Lucida Sans Unicode", Lucida, sans-serif;border:1px solid #565656;border-top-color:#cbcbcb;border-left-color:#a5a5a5;border-right-color:#a5a5a5;border-bottom:0}.download-source,figure.code figcaption a{position:absolute;right:.8em;text-decoration:none;color:#666 !important;z-index:1;font-size:13px;text-shadow:#cbcccc 0 1px 0;padding-left:3em}.download-source:hover,figure.code figcaption a:hover,.download-source:focus,figure.code figcaption a:focus{text-decoration:underline}article.archive{padding:1em 0 1em;background:none bottom left repeat-x}article.archive:last-child{background:none}article.archive h2{display:none}article.archive header{padding-top:0;margin-bottom:.2em;vertical-align:top}article.archive header h1{color:#222;display:inline-block}article.archive header h1 a{display:inline-block;text-decoration:none;color:inherit;font-weight:normal}article.archive header h1 a:hover,article.archive header h1 a:focus{text-decoration:underline}article.archive header h1 a:hover{color:#0181eb}article.archive header time{color:#aaa;display:inline-block}article.archive header time:before{padding:0.3em;content:"—"}article.archive header time .month{text-transform:uppercase}article.archive footer{padding:0;margin:0;margin-top:0.25em;color:#aaa}article.archive p{margin-bottom:1em}article.archive a,article.archive .entry-content a{color:inherit}article.archive a:hover,article.archive .entry-content a:hover{color:#0181eb}article.archive a:hover{color:#0181eb}@media only screen and (min-width: 550px){article.archive article{margin-left:5em}article.archive h2{margin-bottom:.3em;font-weight:normal;display:inline-block;position:relative;top:-1px;float:left}article.archive h2:first-child{padding-top:.75em}article.archive article{padding-left:4.5em;padding-bottom:.7em}article.archive a.category{line-height:1.1em}}#content>.category article{margin-left:0;padding-left:6.8em}body>footer{font-size:.8em;color:#888;text-shadow:#fff 0 1px;background-color:#f8f8f8;background:default,none;border-top:none;position:relative;padding-top:1em;padding-bottom:1em;margin-bottom:3em;z-index:1}body>footer a{color:#979797}body>footer a:visited{color:#979797}body>footer a:hover{color:#484848}body>footer p:last-child{margin-bottom:0}.footnotelist{font-size:0.8em}.footnotelist .backlink{text-decoration:none}.project+a{display:block;margin:auto;width:500px}