a:focus{outline:thin dotted #d67f05;outline:5px auto #d67f05;outline-offset:-2px}*,*:before,*:after{-moz-box-sizing:border-box;-webkit-box-sizing:border-box;box-sizing:border-box}html{box-sizing:border-box;background-color:#fff;font-size:16px;-webkit-text-size-adjust:100%;-ms-text-size-adjust:100%}@media (min-width: 48em){html{font-size:16px}}@media (min-width: 64em){html{font-size:18px}}@media (min-width: 80em){html{font-size:18px}}body{margin:0}::-moz-selection{color:#fff;background:#000}::selection{color:#fff;background:#000}audio:not([controls]){display:none}a{color:#2f7d95}a:hover,a:active{outline:0}sub,sup{position:relative;font-size:75%;line-height:0;vertical-align:baseline}sup{top:-0.5em}sub{bottom:-0.25em}img{max-width:100%;width:auto\9;height:auto;vertical-align:middle;border:0;-ms-interpolation-mode:bicubic}#map_canvas img,.google-maps img{max-width:none}button,input,select,textarea{margin:0;font-size:100%;vertical-align:middle}button,input{line-height:normal}button::-moz-focus-inner,input::-moz-focus-inner{padding:0;border:0}button,html input[type="button"],input[type="reset"],input[type="submit"]{-webkit-appearance:button;cursor:pointer}label,select,button,input[type="button"],input[type="reset"],input[type="submit"],input[type="radio"],input[type="checkbox"]{cursor:pointer}input[type="search"]{box-sizing:content-box;-webkit-appearance:textfield}input[type="search"]::-webkit-search-decoration,input[type="search"]::-webkit-search-cancel-button{-webkit-appearance:none}textarea{overflow:auto;vertical-align:top}html{scroll-behavior:smooth;position:relative;min-height:100%}@media screen and (prefers-reduced-motion: reduce){html{scroll-behavior:auto}}body{margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,"Roboto","Segoe UI","Helvetica Neue","Lucida Grande",Arial,sans-serif;line-height:1.5}body.overflow--hidden{overflow:hidden}h1,h2,h3,h4,h5,h6{margin:2em 0 0.5em;line-height:1.2;font-family:-apple-system,BlinkMacSystemFont,"Roboto","Segoe UI","Helvetica Neue","Lucida Grande",Arial,sans-serif;font-weight:bold}h1{margin-top:0;font-size:1.563em}h2{font-size:1.25em}h3{font-size:1.125em}h4{font-size:1.0625em}h5{font-size:1.03125em}h6{font-size:1em}small,.small{font-size:.75em}p{margin-bottom:1.3em}u,ins{text-decoration:none;border-bottom:1px solid #313436}u a,ins a{color:inherit}del a{color:inherit}p,pre,blockquote,ul,ol,dl,figure,table,fieldset{orphans:3;widows:3}abbr[title],abbr[data-original-title]{text-decoration:none;cursor:help;border-bottom:1px dotted #313436}blockquote{margin:2em 1em 2em 0;padding-left:1em;padding-right:1em;font-style:italic;border-left:0.25em solid #6f777d}blockquote cite{font-style:italic}blockquote cite:before{content:"\2014";padding-right:5px}a:hover,a:active{outline:0}tt,code,kbd,samp,pre{font-family:Consolas,Monaco,"Lucida Console",monospace}pre{overflow-x:auto}p>code,a>code,li>code,figcaption>code,td>code{padding-top:0.1rem;padding-bottom:0.1rem;font-size:.75em;background:#fafafa;border:1px solid #f2f3f3;border-radius:4px;box-shadow:0 1px 1px rgba(0,0,0,0.125)}p>code:before,p>code:after,a>code:before,a>code:after,li>code:before,li>code:after,figcaption>code:before,figcaption>code:after,td>code:before,td>code:after{letter-spacing:-0.2em;content:"\00a0"}hr{display:block;margin:1em 0;border:0;border-top:1px solid #f2f3f3}ul li,ol li{margin-bottom:0.5em}li ul,li ol{margin-top:0.5em}figure{display:flex;flex-flow:row;justify-content:flex-start;flex-wrap:wrap;margin:1em 0}figure img,figure iframe,figure .fluid-width-video-wrapper{margin-bottom:1em}figure img{object-fit:contain;width:100%;border-radius:4px;transition:all 0.2s ease-in-out}figure figcaption{align-self:flex-start;width:100%}figure>a{display:block}@media (min-width: 37.5em){figure.threequarters>a,figure.threequarters>img{width:calc(75% - 0.5em)}}@media (min-width: 37.5em){figure.half>a,figure.half>img{width:calc(50% - 0.5em)}}@media (min-width: 37.5em){figure.third>a,figure.third>img{width:calc(33.3333% - 0.5em)}}figcaption{margin-bottom:0.5em;color:#5a5d5e;font-family:Georgia,Times,serif;font-size:.75em}figcaption a{color:inherit;text-decoration:none;border-bottom:1px solid #bdc1c4;transition:all 0.2s ease-in-out}figcaption a:hover{color:#000;border-bottom-color:#000}nav ul{margin:0;padding:0}nav li{list-style:none}nav a{text-decoration:none}nav ul li,nav ol li{margin-bottom:0}nav li ul,nav li ol{margin-top:0}b,i,strong,em,blockquote,p,q,span,figure,img,h1,h2,header,input,a,tr,td,form button,input[type="submit"],.btn,.highlight,.archive__item-teaser{transition:all 0.2s ease-in-out}.hidden{display:none;visibility:hidden}.load{display:none}.transparent{opacity:0}.visually-hidden,.screen-reader-text,.screen-reader-text span,.screen-reader-shortcut{position:absolute !important;clip:rect(1px, 1px, 1px, 1px);height:1px !important;width:1px !important;border:0 !important;overflow:hidden}body:hover .visually-hidden a,body:hover .visually-hidden input,body:hover .visually-hidden button{display:none !important}.screen-reader-text:focus,.screen-reader-shortcut:focus{clip:auto !important;height:auto !important;width:auto !important;display:block;font-size:1em;font-weight:bold;padding:15px 23px 14px;background:#fff;z-index:100000;text-decoration:none;box-shadow:0 0 2px 2px rgba(0,0,0,0.6)}.skip-link{position:fixed;z-index:20;margin:0;font-family:-apple-system,BlinkMacSystemFont,"Roboto","Segoe UI","Helvetica Neue","Lucida Grande",Arial,sans-serif;white-space:nowrap}.skip-link li{height:0;width:0;list-style:none}.text-left{text-align:left}.text-center{text-align:center}.text-right{text-align:right}.text-justify{text-align:justify}.text-nowrap{white-space:nowrap}.cf{clear:both}.wrapper{max-width:1024px;margin-left:auto;margin-right:auto}.wrapper:after{content:" ";display:block;clear:both}.align-left{display:block;margin-left:auto;margin-right:auto}@media (min-width: 37.5em){.align-left{float:left;margin-right:1em}}.align-right{display:block;margin-left:auto;margin-right:auto}@media (min-width: 37.5em){.align-right{float:right;margin-left:1em}}.align-center{display:block;margin-left:auto;margin-right:auto}.fig-align-center{width:100%}.fig-align-center img{display:block;margin-left:auto;margin-right:auto}.fig-align-center figcaption{display:block;margin-left:auto;margin-right:auto;text-align:left}@media (min-width: 64em){.full{margin-right:-19.4915254237% !important}}.icon{display:inline-block;fill:currentColor;width:1em;height:1.1em;line-height:1;position:relative;top:-0.1em;vertical-align:middle}.social-icons .fas,.social-icons .fab,.social-icons .far,.social-icons .fal,.social-icons .ai{color:#313436}.social-icons .si-bitbucket{color:#205081}.social-icons .si-github,.social-icons .si-github-alt,.social-icons .si-github-square{color:#171516}.social-icons .si-gitlab{color:#e24329}.social-icons .si-keybase{color:#ef7639}.social-icons .si-linkedin,.social-icons .si-linkedin-square{color:#007bb6}.social-icons .si-orcid,.social-icons .si-orcid-square{color:#a6ce39}.social-icons .si-rss,.social-icons .si-rss-square{color:#fa9b39}.social-icons .si-scopus,.social-icons .si-scopus-square{color:#ff8400}.social-icons .si-stack-exchange,.social-icons .si-stack-overflow{color:#fe7a15}.social-icons .si-twitter,.social-icons .si-twitter-square{color:#55acee}.social-icons .si-youtube,.social-icons .si-youtube-square,.social-icons .si-youtube-play{color:#b00}@media (prefers-color-scheme: dark){.social-icons .fas,.social-icons .fab,.social-icons .far,.social-icons .fal,.social-icons .ai{color:#eee}}.navicon{position:relative;width:1.5rem;height:.25rem;background:#fff;margin:auto;transition:0.3s}.navicon:before,.navicon:after{content:"";position:absolute;left:0;width:1.5rem;height:.25rem;background:#fff;transition:0.3s}.navicon:before{top:-.5rem}.navicon:after{bottom:-.5rem}.close .navicon{background:transparent}.close .navicon:before,.close .navicon:after{transform-origin:50% 50%;top:0;width:1.5rem}.close .navicon:before{transform:rotate3d(0, 0, 1, 45deg)}.close .navicon:after{transform:rotate3d(0, 0, 1, -45deg)}@media (min-width: 64em){.sticky{clear:both;position:-webkit-sticky;position:sticky;top:2em}.sticky::after{clear:both;content:"";display:block}.sticky>*{display:block}}.well{min-height:20px;padding:19px;margin-bottom:20px;background-color:#f5f5f5;border:1px solid #e3e3e3;border-radius:4px;box-shadow:inset 0 1px 1px rgba(0,0,0,0.05)}.show-modal{overflow:hidden;position:relative}.show-modal:before{position:absolute;content:"";top:0;left:0;width:100%;height:100%;z-index:999;background-color:rgba(255,255,255,0.85)}.show-modal .modal{display:block}.modal{display:none;position:fixed;width:300px;top:50%;left:50%;margin-left:-150px;margin-top:-150px;min-height:0;z-index:9999;background:#fff;border:1px solid #f2f3f3;border-radius:4px;box-shadow:0 1px 1px rgba(0,0,0,0.125)}.modal__title{margin:0;padding:0.5em 1em}.modal__supporting-text{padding:0 1em 0.5em 1em}.modal__actions{padding:0.5em 1em;border-top:1px solid #f2f3f3}.footnote{color:#9ba1a6;text-decoration:none}.footnotes{color:#9ba1a6}.footnotes ol,.footnotes li,.footnotes p{margin-bottom:0;font-size:.75em}a.reversefootnote{color:#7a8288;text-decoration:none}a.reversefootnote:hover{text-decoration:underline}.required{color:#ee5f5b;font-weight:bold}:root{--background-color: #fff;--text-color: #313436;--border-color: #f2f3f3;--code-background-color: #fafafa;--link-color: #2f7d95}@media (prefers-color-scheme: dark){:root{--background-color: #222831;--text-color: #eee;--border-color: #4e535a;--code-background-color: #2D333B;--link-color: #58a6ff}}:root{background-color:var(--background-color);color:var(--text-color)}a{color:var(--link-color)}@-webkit-keyframes intro{0%{opacity:0}100%{opacity:1}}@keyframes intro{0%{opacity:0}100%{opacity:1}}table{display:block;margin-bottom:1em;min-width:75%;max-width:fit-content;font-family:-apple-system,BlinkMacSystemFont,"Roboto","Segoe UI","Helvetica Neue","Lucida Grande",Arial,sans-serif;font-size:.875em;border-collapse:collapse;overflow-x:auto;margin-left:auto;margin-right:auto}table+table{margin-top:1em}thead{background-color:#f2f3f3;border-bottom:2px solid #bdc1c4}@media (prefers-color-scheme: dark){thead{background-color:#1a1f24;border-bottom:2px solid #bdc1c4}}th{padding:0.5em;font-weight:bold;text-align:left}td{padding:0.5em;border-bottom:1px solid #bdc1c4}tr,td,th{vertical-align:middle}.btn{display:inline-block;margin-bottom:0.25em;padding:0.5em 1em;color:#fff !important;font-family:-apple-system,BlinkMacSystemFont,"Roboto","Segoe UI","Helvetica Neue","Lucida Grande",Arial,sans-serif;font-size:.75em;font-weight:bold;text-align:center;text-decoration:none;background-color:#6f777d;border:0 !important;border-radius:4px;cursor:pointer}.btn:hover{background-color:#333}.btn .icon{margin-right:0.5em}.btn .icon+.hidden{margin-left:-0.5em}.btn--block{display:block;width:100%}.btn--block+.btn--block{margin-top:0.25em}.btn--inverse{color:#7a8288 !important;border:1px solid #bdc1c4 !important;background-color:#fff}.btn--inverse:hover{color:#fff !important;border-color:#7a8288}.btn--light-outline{border:1px solid #fff !important;background-color:transparent}.btn--info{background-color:#3b9cba}.btn--info:hover{background-color:#2f7d95}.btn--warning{background-color:#d67f05}.btn--warning:hover{background-color:#ab6604}.btn--success{background-color:#3fa63f}.btn--success:hover{background-color:#328532}.btn--danger{background-color:#ee5f5b}.btn--danger:hover{background-color:#be4c49}.btn--disabled{pointer-events:none;cursor:not-allowed;filter:alpha(opacity=65);box-shadow:none;opacity:0.65}.btn--x-large{font-size:1.25em}.btn--large{font-size:1em}.btn--small{font-size:.6875em}.notice{margin:2em 0 !important;padding:1em;font-family:-apple-system,BlinkMacSystemFont,"Roboto","Segoe UI","Helvetica Neue","Lucida Grande",Arial,sans-serif;font-size:.75em !important;text-indent:initial;background-color:#f8f9f9;border-radius:4px;box-shadow:0 1px 1px rgba(189,193,196,0.25)}.notice h4{margin-top:0 !important;margin-bottom:0.75em}.page__content .notice h4{margin-bottom:0;font-size:1em}.notice p:last-child{margin-bottom:0 !important}.notice h4+p{margin-top:0;padding-top:0}.notice a{color:#bdc1c4}.notice a:hover{color:#717476}.notice code{background-color:#fcfcfc}.notice ul:last-child{margin-bottom:0}.notice__primary{margin:2em 0 !important;padding:1em;font-family:-apple-system,BlinkMacSystemFont,"Roboto","Segoe UI","Helvetica Neue","Lucida Grande",Arial,sans-serif;font-size:.75em !important;text-indent:initial;background-color:#f1f1f2;border-radius:4px;box-shadow:0 1px 1px rgba(111,119,125,0.25)}.notice__primary h4{margin-top:0 !important;margin-bottom:0.75em}.page__content .notice__primary h4{margin-bottom:0;font-size:1em}.notice__primary p:last-child{margin-bottom:0 !important}.notice__primary h4+p{margin-top:0;padding-top:0}.notice__primary a{color:#6f777d}.notice__primary a:hover{color:#43474b}.notice__primary code{background-color:#f8f8f9}.notice__primary ul:last-child{margin-bottom:0}.notice__info{margin:2em 0 !important;padding:1em;font-family:-apple-system,BlinkMacSystemFont,"Roboto","Segoe UI","Helvetica Neue","Lucida Grande",Arial,sans-serif;font-size:.75em !important;text-indent:initial;background-color:#ebf5f8;border-radius:4px;box-shadow:0 1px 1px rgba(59,156,186,0.25)}.notice__info h4{margin-top:0 !important;margin-bottom:0.75em}.page__content .notice__info h4{margin-bottom:0;font-size:1em}.notice__info p:last-child{margin-bottom:0 !important}.notice__info h4+p{margin-top:0;padding-top:0}.notice__info a{color:#3b9cba}.notice__info a:hover{color:#235e70}.notice__info code{background-color:#f5fafc}.notice__info ul:last-child{margin-bottom:0}.notice__warning{margin:2em 0 !important;padding:1em;font-family:-apple-system,BlinkMacSystemFont,"Roboto","Segoe UI","Helvetica Neue","Lucida Grande",Arial,sans-serif;font-size:.75em !important;text-indent:initial;background-color:#fbf2e6;border-radius:4px;box-shadow:0 1px 1px rgba(214,127,5,0.25)}.notice__warning h4{margin-top:0 !important;margin-bottom:0.75em}.page__content .notice__warning h4{margin-bottom:0;font-size:1em}.notice__warning p:last-child{margin-bottom:0 !important}.notice__warning h4+p{margin-top:0;padding-top:0}.notice__warning a{color:#d67f05}.notice__warning a:hover{color:#804c03}.notice__warning code{background-color:#fdf9f3}.notice__warning ul:last-child{margin-bottom:0}.notice__success{margin:2em 0 !important;padding:1em;font-family:-apple-system,BlinkMacSystemFont,"Roboto","Segoe UI","Helvetica Neue","Lucida Grande",Arial,sans-serif;font-size:.75em !important;text-indent:initial;background-color:#ecf6ec;border-radius:4px;box-shadow:0 1px 1px rgba(63,166,63,0.25)}.notice__success h4{margin-top:0 !important;margin-bottom:0.75em}.page__content .notice__success h4{margin-bottom:0;font-size:1em}.notice__success p:last-child{margin-bottom:0 !important}.notice__success h4+p{margin-top:0;padding-top:0}.notice__success a{color:#3fa63f}.notice__success a:hover{color:#266426}.notice__success code{background-color:#f5fbf5}.notice__success ul:last-child{margin-bottom:0}.notice__danger{margin:2em 0 !important;padding:1em;font-family:-apple-system,BlinkMacSystemFont,"Roboto","Segoe UI","Helvetica Neue","Lucida Grande",Arial,sans-serif;font-size:.75em !important;text-indent:initial;background-color:#fdefef;border-radius:4px;box-shadow:0 1px 1px rgba(238,95,91,0.25)}.notice__danger h4{margin-top:0 !important;margin-bottom:0.75em}.page__content .notice__danger h4{margin-bottom:0;font-size:1em}.notice__danger p:last-child{margin-bottom:0 !important}.notice__danger h4+p{margin-top:0;padding-top:0}.notice__danger a{color:#ee5f5b}.notice__danger a:hover{color:#8f3937}.notice__danger code{background-color:#fef7f7}.notice__danger ul:last-child{margin-bottom:0}.masthead{position:relative;border-bottom:1px solid #f2f3f3;animation:intro 0.3s both;animation-delay:0.15s;z-index:20}.masthead__inner-wrap{max-width:1024px;margin-left:auto;margin-right:auto;clear:both;padding:1em 1em 1em;font-family:-apple-system,BlinkMacSystemFont,"Roboto","Segoe UI","Helvetica Neue","Lucida Grande",Arial,sans-serif}.masthead__inner-wrap:after{content:" ";display:block;clear:both}.masthead__inner-wrap::after{clear:both;content:"";display:block}@media (min-width: 80em){.masthead__inner-wrap{max-width:1280px}}.masthead__inner-wrap nav{z-index:10}.masthead__inner-wrap a{text-decoration:none}.masthead__menu ul{margin:0;padding:0;clear:both;list-style-type:none}.masthead__menu-item{display:block;list-style-type:none;white-space:nowrap}.masthead__menu-item--lg{padding-right:2em;font-weight:700}.breadcrumbs{max-width:1024px;margin-left:auto;margin-right:auto;clear:both;margin-top:0;margin-bottom:0;padding-left:2em;padding-right:2em;font-family:-apple-system,BlinkMacSystemFont,"Roboto","Segoe UI","Helvetica Neue","Lucida Grande",Arial,sans-serif;animation:intro 0.3s both;animation-delay:0.30s}.breadcrumbs:after{content:" ";display:block;clear:both}.breadcrumbs::after{clear:both;content:"";display:block}@media (min-width: 64em){.breadcrumbs{padding-left:1em;padding-right:1em}}@media (min-width: 80em){.breadcrumbs{max-width:1280px}}.breadcrumbs ol{padding:0;list-style:none;font-size:.75em}@media (min-width: 64em){.breadcrumbs ol{width:83.0508474576%;float:right;margin-right:0}}@media (min-width: 80em){.breadcrumbs ol{padding-left:4.2372881356%}}.breadcrumbs li{display:inline}.breadcrumbs .current{font-weight:bold}.pagination{clear:both;width:100%;float:left;margin-left:0;margin-right:0;clear:both;margin-top:1em;padding-top:1em}.pagination::after{clear:both;content:"";display:block}.pagination ul{margin:0;padding:0;list-style-type:none;font-family:-apple-system,BlinkMacSystemFont,"Roboto","Segoe UI","Helvetica Neue","Lucida Grande",Arial,sans-serif}.pagination li{display:block;float:left;margin-left:-1px}.pagination li a{margin-bottom:0.25em;padding:0.5em 1em;font-family:-apple-system,BlinkMacSystemFont,"Roboto","Segoe UI","Helvetica Neue","Lucida Grande",Arial,sans-serif;font-size:14px;font-weight:bold;line-height:1.5;text-align:center;text-decoration:none;color:#9ba1a6;border:1px solid #bdc1c4;border-radius:0}.pagination li a:hover{color:#235e70}.pagination li a.current{color:#fff;background:#6f777d}.pagination li a.disabled{color:#dee0e1;pointer-events:none;cursor:not-allowed}.pagination li:first-child{margin-left:0}.pagination li:first-child a{border-top-left-radius:4px;border-bottom-left-radius:4px}.pagination li:last-child a{border-top-right-radius:4px;border-bottom-right-radius:4px}.pagination--pager{display:block;padding:1em 2em;float:left;width:50%;font-family:-apple-system,BlinkMacSystemFont,"Roboto","Segoe UI","Helvetica Neue","Lucida Grande",Arial,sans-serif;font-size:1em;font-weight:bold;text-align:center;text-decoration:none;color:#bdc1c4;border:1px solid #bdc1c4;border-radius:4px}.pagination--pager:hover{color:#235e70}.pagination--pager:first-child{border-top-right-radius:0;border-bottom-right-radius:0}.pagination--pager:last-child{margin-left:-1px;border-top-left-radius:0;border-bottom-left-radius:0}.pagination--pager.disabled{color:#dee0e1;pointer-events:none;cursor:not-allowed}.page__content+.pagination,.page__meta+.pagination,.page__share+.pagination,.page__comments+.pagination{margin-top:2em;padding-top:2em;border-top:1px solid #f2f3f3}.greedy-nav{position:relative;min-width:250px;background:#fff}.greedy-nav a{display:block;margin:0 1rem;padding:0.5rem 0;color:#6f777d;text-decoration:none}.greedy-nav a:hover{color:#53595e}.greedy-nav button{position:absolute;height:100%;right:0;padding:0 0.5rem;border:0;outline:none;background-color:#6f777d;color:#fff;cursor:pointer}.greedy-nav .visible-links{display:table}.greedy-nav .visible-links li{display:table-cell;vertical-align:middle}.greedy-nav .visible-links li:first-child{font-weight:bold}.greedy-nav .visible-links li:first-child a{margin-left:0}.greedy-nav .visible-links li:last-child a{margin-right:0}.greedy-nav .visible-links a{position:relative}.greedy-nav .visible-links a:before{content:"";position:absolute;left:0;bottom:0;height:4px;background:#6f777d;width:100%;transition:all 0.2s ease-in-out;transform:scaleX(0)}.greedy-nav .visible-links a:hover:before{transform:scaleX(1)}.greedy-nav .hidden-links{position:absolute;top:100%;right:0;margin-top:15px;padding:5px;border:1px solid #f2f3f3;border-radius:4px;background:#fff;box-shadow:0 0 10px rgba(0,0,0,0.25)}.greedy-nav .hidden-links a{margin:0;padding:10px 20px;font-size:1em}.greedy-nav .hidden-links a:hover{color:#53595e;background:#dbdddf}.greedy-nav .hidden-links:before{content:"";position:absolute;top:-11px;right:10px;width:0;border-style:solid;border-width:0 10px 10px;border-color:#f2f3f3 transparent;display:block;z-index:0}.greedy-nav .hidden-links:after{content:"";position:absolute;top:-10px;right:10px;width:0;border-style:solid;border-width:0 10px 10px;border-color:#fff transparent;display:block;z-index:1}.greedy-nav .hidden-links li{display:block;border-bottom:1px solid #f2f3f3}.greedy-nav .hidden-links li:last-child{border-bottom:none}.nav__list{font-size:1.25rem}.nav__list ul{margin-bottom:1em}.nav__list a{display:block;padding:0.125em 0;color:inherit}.nav__list a:hover{text-decoration:underline}.nav__list .active{margin-left:-0.5em;padding-left:0.5em;padding-right:0.5em;color:#fff;font-weight:bold;background:#6f777d;border-radius:4px}.nav__list .active:hover{color:#fff}.nav__title{margin:0;padding:0.5rem 1rem;font-family:-apple-system,BlinkMacSystemFont,"Roboto","Segoe UI","Helvetica Neue","Lucida Grande",Arial,sans-serif;font-size:1em;font-weight:bold}.nav__sub-title{display:block;margin:0.5rem 0;padding:0.5rem 0;font-family:-apple-system,BlinkMacSystemFont,"Roboto","Segoe UI","Helvetica Neue","Lucida Grande",Arial,sans-serif;font-size:.75em;font-weight:bold;text-transform:uppercase;border-bottom:1px solid #f2f3f3}@media (prefers-color-scheme: dark){.greedy-nav{background:#222831}.greedy-nav a{color:#eee}.greedy-nav a:hover{color:#bebebe}.greedy-nav button{color:#eee}.greedy-nav button:hover{color:#bebebe}.greedy-nav button.close{color:#eee}.greedy-nav button.close:hover{color:#fff;background-color:#eee}.greedy-nav button.close .navicon{background:transparent}.greedy-nav button.close .navicon:before,.greedy-nav button.close .navicon:after{background:#fff}.greedy-nav button.close .navicon:before{transform:rotate(-45deg)}.greedy-nav button.close .navicon:after{transform:rotate(45deg)}.greedy-nav__toggle{border-color:#4e535a}.greedy-nav__toggle span{background-color:#4e535a}.greedy-nav .hidden-links{background:#222831;border-color:#4e535a;box-shadow:0 0 10px rgba(0,0,0,0.5)}.greedy-nav .hidden-links a{color:#eee}.greedy-nav .hidden-links a:hover{color:#bebebe;background:#1a1f24}.greedy-nav .hidden-links:before{border-color:#4e535a transparent}.greedy-nav .hidden-links:after{border-color:#222831 transparent}.greedy-nav .hidden-links li{border-bottom-color:#4e535a}}.page__footer{clear:both;float:left;margin-left:0;margin-right:0;width:100%;margin-top:2em;color:#5a5d5e;animation:intro 0.3s both;animation-delay:0.45s;background-color:#f2f3f3;border-top:1px solid #bdc1c4}.page__footer::after{clear:both;content:"";display:block}.page__footer footer{clear:both;margin-left:auto;margin-right:auto;margin-top:1em;max-width:100%;padding:0 1em 1em}.page__footer footer::after{clear:both;content:"";display:block}@media (min-width: 80em){.page__footer footer{max-width:1280px}}.page__footer a{color:inherit;text-decoration:none}.page__footer a:hover{text-decoration:underline}.page__footer .fas,.page__footer .fab,.page__footer .far,.page__footer .fal{color:#5a5d5e}.page__footer-copyright{font-family:-apple-system,BlinkMacSystemFont,"Roboto","Segoe UI","Helvetica Neue","Lucida Grande",Arial,sans-serif;font-size:.6875em}.page__footer-follow ul{margin:0;padding:0;list-style-type:none}.page__footer-follow li{display:inline-block;padding-top:5px;padding-bottom:5px;font-family:-apple-system,BlinkMacSystemFont,"Roboto","Segoe UI","Helvetica Neue","Lucida Grande",Arial,sans-serif;font-size:.75em;text-transform:uppercase}.page__footer-follow li+li:before{content:"";padding-right:5px}.page__footer-follow a{padding-right:10px;font-weight:bold}.page__footer-follow .social-icons a{white-space:nowrap}@media (prefers-color-scheme: dark){.page__footer{background-color:#222831;color:#eee}.page__footer a{color:#eee}.page__footer a:hover{color:#bebebe}}div.highlighter-rouge,figure.highlight{position:relative;margin-bottom:1em;padding:0.2em;border:1px solid #f2f3f3;border-radius:4px;background-color:#fafafa;box-shadow:0 1px 1px rgba(0,0,0,0.125)}div.highlighter-rouge:before,figure.highlight:before{position:absolute;top:0;right:0;padding:0.5em;background-color:#f2f3f3;content:"\f019";font-family:"fontite optimized icon pack" !important;font-size:.75em;line-height:1;text-transform:none;speak:none}div.highlighter-rouge .highlight,figure.highlight .highlight{margin:0;font-family:Consolas,Monaco,"Lucida Console",monospace;font-size:.875em;padding:0.4em 0.4em 0.4em 0.4em}.highlight table td{padding:5px}.highlight table pre{margin:0}.highlight .gh{color:#999999}.highlight .sr{color:#f6aa11}.highlight .go{color:#888888}.highlight .gp{color:#555555}.highlight .gu{color:#aaaaaa}.highlight .nb{color:#f6aa11}.highlight .cm{color:#75715e}.highlight .cp{color:#75715e}.highlight .c1{color:#75715e}.highlight .cs{color:#75715e}.highlight .c,.highlight .ch,.highlight .cd,.highlight .cpf{color:#75715e}.highlight .err{color:#960050}.highlight .gr{color:#960050}.highlight .gt{color:#960050}.highlight .gd{color:#49483e}.highlight .gi{color:#49483e}.highlight .ge{color:#49483e}.highlight .kc{color:#66d9ef}.highlight .kd{color:#66d9ef}.highlight .kr{color:#66d9ef}.highlight .no{color:#66d9ef}.highlight .kt{color:#66d9ef}.highlight .mf{color:#ae81ff}.highlight .mh{color:#ae81ff}.highlight .il{color:#ae81ff}.highlight .mi{color:#ae81ff}.highlight .mo{color:#ae81ff}.highlight .m,.highlight .mb,.highlight .mx{color:#ae81ff}.highlight .sc{color:#ae81ff}.highlight .se{color:#ae81ff}.highlight .ss{color:#ae81ff}.highlight .sd{color:#e6db74}.highlight .s2{color:#e6db74}.highlight .sb{color:#e6db74}.highlight .sh{color:#e6db74}.highlight .si{color:#e6db74}.highlight .sx{color:#e6db74}.highlight .s1{color:#e6db74}.highlight .s,.highlight .sa,.highlight .dl{color:#e6db74}.highlight .na{color:#a6e22e}.highlight .nc{color:#a6e22e}.highlight .nd{color:#a6e22e}.highlight .ne{color:#a6e22e}.highlight .nf,.highlight .fm{color:#a6e22e}.highlight .vc{color:#ffffff;background-color:#272822}.highlight .nn{color:#ffffff;background-color:#272822}.highlight .nl{color:#ffffff;background-color:#272822}.highlight .ni{color:#ffffff;background-color:#272822}.highlight .bp{color:#ffffff;background-color:#272822}.highlight .vg{color:#ffffff;background-color:#272822}.highlight .vi{color:#ffffff;background-color:#272822}.highlight .nv,.highlight .vm{color:#ffffff;background-color:#272822}.highlight .w{color:#ffffff;background-color:#272822}.highlight{color:#ffffff;background-color:#272822}.highlight .n,.highlight .py,.highlight .nx{color:#ffffff;background-color:#272822}.highlight .ow{color:#f92672}.highlight .nt{color:#f92672}.highlight .k,.highlight .kv{color:#f92672}.highlight .kn{color:#f92672}.highlight .kp{color:#f92672}.highlight .o{color:#f92672}#main{max-width:1024px;margin-left:auto;margin-right:auto;clear:both;margin-left:auto;margin-right:auto;margin-top:2em;padding-left:1em;padding-right:1em;animation:intro 0.3s both;max-width:100%;animation-delay:0.15s}#main:after{content:" ";display:block;clear:both}#main::after{clear:both;content:"";display:block}@media (min-width: 80em){#main{max-width:1280px}}body{display:-webkit-box;display:-ms-flexbox;display:flex;min-height:100vh;-webkit-box-orient:vertical;-webkit-box-direction:normal;-ms-flex-direction:column;flex-direction:column}.initial-content{flex:1 0 auto}@media (min-width: 64em){.page{width:83.0508474576%;float:right;margin-right:0;padding-left:4.2372881356%}}.page .page__inner-wrap{clear:both;width:100%;float:left;margin-left:0;margin-right:0}.page .page__inner-wrap .page__content,.page .page__inner-wrap .page__meta,.page .page__inner-wrap .page__share{clear:both;width:100%;float:left;margin-left:0;margin-right:0}.page__title{margin-top:0;line-height:1}.page__title+.page__meta{margin-top:-0.5em}.page__lead{font-family:-apple-system,BlinkMacSystemFont,"Roboto","Segoe UI","Helvetica Neue","Lucida Grande",Arial,sans-serif;font-size:1.25em}.page__content h2{padding-bottom:0.5em;border-bottom:1px solid #f2f3f3}.page__content h1 .header-link,.page__content h2 .header-link,.page__content h3 .header-link,.page__content h4 .header-link,.page__content h5 .header-link,.page__content h6 .header-link,.page__content span .header-link{position:relative;left:0.5em;opacity:0;font-size:0.8em;transition:opacity 0.2s ease-in-out 0.1s}.page__content h1:hover .header-link,.page__content h2:hover .header-link,.page__content h3:hover .header-link,.page__content h4:hover .header-link,.page__content h5:hover .header-link,.page__content h6:hover .header-link,.page__content span:hover .header-link{opacity:1}.page__content p,.page__content li,.page__content dl{font-size:.875em}.page__content p{margin:0 0 1.3em}.page__content a:not(.btn){text-decoration:underline}.page__content a:not(.btn):hover{text-decoration:underline}.page__content a:not(.btn):hover img{box-shadow:0 0 10px rgba(0,0,0,0.25)}.page__content dt{margin-top:1em;font-family:-apple-system,BlinkMacSystemFont,"Roboto","Segoe UI","Helvetica Neue","Lucida Grande",Arial,sans-serif;font-weight:bold}.page__content dd{margin-left:1em;font-family:-apple-system,BlinkMacSystemFont,"Roboto","Segoe UI","Helvetica Neue","Lucida Grande",Arial,sans-serif;font-size:.75em}.page__content .small{font-size:.75em}.page__content blockquote+.small{margin-top:-1.5em;padding-left:1.25rem}.page__hero{position:relative;margin-bottom:2em;clear:both;animation:intro 0.3s both;animation-delay:0.25s}.page__hero::after{clear:both;content:"";display:block}.page__hero--overlay{position:relative;margin-bottom:2em;padding:3em 0;clear:both;background-size:cover;background-repeat:no-repeat;background-position:center;animation:intro 0.3s both;animation-delay:0.25s}.page__hero--overlay::after{clear:both;content:"";display:block}.page__hero--overlay a{color:#fff}.page__hero--overlay .wrapper{padding-left:1em;padding-right:1em}@media (min-width: 80em){.page__hero--overlay .wrapper{max-width:1280px}}.page__hero--overlay .page__title,.page__hero--overlay .page__meta,.page__hero--overlay .page__lead,.page__hero--overlay .btn{color:#fff;text-shadow:1px 1px 4px rgba(0,0,0,0.5)}.page__hero--overlay .page__lead{max-width:768px}.page__hero--overlay .page__title{font-size:1.953em}@media (min-width: 37.5em){.page__hero--overlay .page__title{font-size:2.441em}}.page__hero-image{width:100%;height:auto;-ms-interpolation-mode:bicubic}.page__hero-caption{position:absolute;bottom:0;right:0;margin:0 auto;padding:2px 5px;color:#fff;font-family:Georgia,Times,serif;font-size:.6875em;background:#000;text-align:right;z-index:5;opacity:0.5;border-radius:4px 0 4px 0}@media (min-width: 64em){.page__hero-caption{padding:5px 10px}}.page__hero-caption a{color:#fff;text-decoration:none}.page__share{margin-top:2em;padding-top:1em;border-top:1px solid #f2f3f3}@media (max-width: 37.5em){.page__share .btn span{border:0;clip:rect(0 0 0 0);height:1px;margin:-1px;overflow:hidden;padding:0;position:absolute;width:1px}}.page__share-title{margin-bottom:10px;font-size:.75em;text-transform:uppercase}.page__meta{margin-top:2em;color:#5a5d5e;font-family:-apple-system,BlinkMacSystemFont,"Roboto","Segoe UI","Helvetica Neue","Lucida Grande",Arial,sans-serif;font-size:.75em}.page__meta p{margin:0}.page__meta a{color:inherit}@media (prefers-color-scheme: dark){.page__meta{color:#bebebe}}.page__meta-title{margin-bottom:10px;font-size:.75em;text-transform:uppercase}.page__taxonomy .sep{display:none}.page__taxonomy strong{margin-right:10px}.page__taxonomy-item{display:inline-block;margin-right:5px;margin-bottom:8px;padding:5px 10px;text-decoration:none;border:1px solid #bdc1c4;border-radius:4px}.page__taxonomy-item:hover{text-decoration:none;color:#235e70}.page__table-no-border{border:0}.page__table-no-border tr{border:0}.page__table-no-border td{border:0}.pdf-embed-container{position:relative;padding-bottom:56.25%;height:0;overflow:hidden;max-width:100%;margin-bottom:20px}.pdf-embed-container video,.pdf-embed-container iframe,.pdf-embed-container object,.pdf-embed-container embed{position:absolute;top:0;left:0;width:100%;height:100%}.news_table{display:table;min-width:100%;width:100%}.news_year{margin:2em 0 0.5em;line-height:1.2;font-family:-apple-system,BlinkMacSystemFont,"Roboto","Segoe UI","Helvetica Neue","Lucida Grande",Arial,sans-serif;font-weight:bold;font-size:1.25em}.publication_map{font-size:.75em;font-family:-apple-system,BlinkMacSystemFont,"Roboto","Segoe UI","Helvetica Neue","Lucida Grande",Arial,sans-serif}.publication{list-style:"\25A0";padding-left:4px}.publication-journal::marker{color:#c32b72}.publication-conference::marker{color:#196ca3}.publication-workshop::marker{color:#56C1B7}.publication-thesis::marker{color:#f8c91f}.publication-techreport::marker{color:#885522}.publication-other::marker{color:#626A70}.archive{margin-top:1em;margin-bottom:2em}@media (min-width: 48em){.archive{width:100%;float:left;margin-left:0;margin-right:0}}@media (min-width: 64em){.archive{width:83.0508474576%;float:right;margin-right:0;padding-left:4.2372881356%}}.archive a{text-decoration:underline}.archive a:hover{text-decoration:underline}.archive a:hover img{box-shadow:0 0 10px rgba(0,0,0,0.25)}.archive__subtitle{margin:1.414em 0 0;padding-bottom:0.5em;font-size:1em;color:#9ba1a6;border-bottom:1px solid #f2f3f3}.archive__subtitle+.list__item .archive__item-title{margin-top:0.5em}.archive__item-title{margin-bottom:0.25em;font-family:-apple-system,BlinkMacSystemFont,"Roboto","Segoe UI","Helvetica Neue","Lucida Grande",Arial,sans-serif}.archive__item-title a{text-decoration:none}.archive__item-title a+a{opacity:0.5}.page__content .archive__item-title{margin-top:1em;border-bottom:none}.archive__item-excerpt{margin-top:0;font-size:1em}.archive__item-excerpt+p{text-indent:0}.archive__item-teaser{border-radius:4px;overflow:hidden}.archive__item-teaser img{width:100%}.archive__item:hover .archive__item-teaser{box-shadow:0 0 10px rgba(0,0,0,0.25)}.archive__item:hover .archive__item-title{text-decoration:none}@media (min-width: 48em){.list__item{padding-right:0px}}@media (min-width: 64em){.list__item{padding-right:0px}}@media (min-width: 80em){.list__item{padding-right:0px}}.list__item .page__meta{margin:0 0 4px}.grid__item{margin-bottom:2em}.grid__item .page__meta{margin:0 0 4px}.grid__item .archive__item-title{margin-top:0.5em;font-size:1em}.grid__item .archive__item-excerpt{display:none}@media (min-width: 37.5em){.grid__item{width:48.9795918367%;float:left}.grid__item:nth-child(2n+1){margin-left:0;margin-right:-100%;clear:both;margin-left:0}.grid__item:nth-child(2n+2){margin-left:51.0204081633%;margin-right:-100%;clear:none}.grid__item .archive__item-teaser{max-height:200px}}@media (min-width: 48em){.grid__item{margin-left:0;margin-right:0;width:23.4693877551%;float:left}.grid__item:nth-child(4n+1){margin-left:0;margin-right:-100%;clear:both;margin-left:0}.grid__item:nth-child(4n+2){margin-left:25.5102040816%;margin-right:-100%;clear:none}.grid__item:nth-child(4n+3){margin-left:51.0204081633%;margin-right:-100%;clear:none}.grid__item:nth-child(4n+4){margin-left:76.5306122449%;margin-right:-100%;clear:none}.grid__item .archive__item-teaser{max-height:120px}.grid__item .archive__item-excerpt{display:block;font-size:.75em}}.feature__wrapper{clear:both;margin-bottom:2em;border-bottom:1px solid #f2f3f3}.feature__wrapper::after{clear:both;content:"";display:block}.feature__item{margin-bottom:2em;font-size:1.25rem}@media (min-width: 37.5em){.feature__item{margin-bottom:0;width:32.2033898305%;float:left}.feature__item:nth-child(3n+1){margin-left:0;margin-right:-100%;clear:both;margin-left:0}.feature__item:nth-child(3n+2){margin-left:33.8983050847%;margin-right:-100%;clear:none}.feature__item:nth-child(3n+3){margin-left:67.7966101695%;margin-right:-100%;clear:none}.feature__item .feature__item-teaser{max-height:200px;overflow:hidden}}.feature__item--left{clear:both;width:100%;float:left;margin-left:0;margin-right:0;font-size:1.25rem}.feature__item--left .archive__item-teaser{margin-bottom:2em}@media (min-width: 37.5em){.feature__item--left .archive__item-teaser{width:40.6779661017%;float:left;margin-right:1.6949152542%}.feature__item--left .archive__item-body{width:57.6271186441%;float:right;margin-right:0;padding-left:4.2372881356%;padding-right:8.4745762712%}}.feature__item--right{clear:both;width:100%;float:left;margin-left:0;margin-right:0;font-size:1.25rem}.feature__item--right .archive__item-teaser{margin-bottom:2em}@media (min-width: 37.5em){.feature__item--right{text-align:right}.feature__item--right .archive__item-teaser{width:40.6779661017%;float:right;margin-left:1.6949152542%}.feature__item--right .archive__item-body{width:57.6271186441%;float:left;margin-left:0;padding-left:4.2372881356%;padding-right:8.4745762712%}}.feature__item--center{clear:both;width:100%;float:left;margin-left:0;margin-right:0;font-size:1.25rem}.feature__item--center .archive__item-teaser{margin-bottom:2em}@media (min-width: 37.5em){.feature__item--center{text-align:center}.feature__item--center .archive__item-teaser{margin:0 auto;width:40.6779661017%}.feature__item--center .archive__item-body{margin:0 auto;width:57.6271186441%}}.archive__item-grid-show-images{display:grid;grid-template-columns:3fr 1fr;grid-gap:10px}.archive__item-grid-show-images .archive__item-img-div{margin-top:auto;margin-bottom:auto}@media only screen and (max-width: 600px){.archive__item-grid-show-images{grid-template-columns:3fr}}.archive__item-grid-no-images{display:grid;grid-template-columns:3fr;grid-gap:10px}.archive__item-grid-no-images .archive__item-img-div{visible:false}.sidebar{transform:translate3d(0, 0, 0);clear:both;margin-bottom:1em}.sidebar::after{clear:both;content:"";display:block}@media (min-width: 64em){.sidebar{width:15.2542372881%;float:left;margin-right:1.6949152542%;opacity:1;transition:opacity 0.2s ease-in-out}.sidebar:hover{opacity:1}}@media (min-width: 80em){.sidebar{padding-right:0}}.sidebar h2,.sidebar h3,.sidebar h4,.sidebar h5,.sidebar h6{margin-bottom:0;font-family:-apple-system,BlinkMacSystemFont,"Roboto","Segoe UI","Helvetica Neue","Lucida Grande",Arial,sans-serif}.sidebar h3,.sidebar h4{font-size:1em}.sidebar p,.sidebar li{font-family:-apple-system,BlinkMacSystemFont,"Roboto","Segoe UI","Helvetica Neue","Lucida Grande",Arial,sans-serif;font-size:.75em;line-height:1.5}.sidebar img{width:100%}.sidebar__right{margin-bottom:1em}@media (min-width: 64em){.sidebar__right{position:relative;float:right;width:0px;margin-left:2.5423728814%;z-index:10}}@media (min-width: 80em){.sidebar__right{width:0px}}.author__avatar{display:table-cell;vertical-align:top;width:36px}@media (min-width: 64em){.author__avatar{display:block;width:auto;height:auto}}.author__avatar img{max-width:175px;border-radius:50%}@media (min-width: 64em){.author__avatar img{padding:5px;border:1px solid #f2f3f3}}.author__content{display:table-cell;vertical-align:top;padding-left:15px;padding-right:25px;line-height:1}@media (min-width: 64em){.author__content{display:block;width:100%;padding-left:0;padding-right:0}}.author__content a{color:inherit;text-decoration:none}.author__name{margin:0}@media (min-width: 64em){.author__name{margin-top:10px;margin-bottom:10px}}.sidebar .author__name{font-family:-apple-system,BlinkMacSystemFont,"Roboto","Segoe UI","Helvetica Neue","Lucida Grande",Arial,sans-serif;font-size:1em}.author__bio{margin:0}@media (min-width: 64em){.author__bio{margin-top:10px;margin-bottom:20px}}.author__urls-wrapper{position:relative;display:table-cell;vertical-align:middle;font-family:-apple-system,BlinkMacSystemFont,"Roboto","Segoe UI","Helvetica Neue","Lucida Grande",Arial,sans-serif;z-index:10;position:relative;cursor:pointer}.author__urls-wrapper li:last-child a{margin-bottom:0}@media (min-width: 64em){.author__urls-wrapper{display:block}}.author__urls-wrapper button{margin-bottom:0}@media (min-width: 64em){.author__urls-wrapper button{display:none}}.author__urls{display:none;position:absolute;right:0;margin-top:15px;padding:10px;list-style-type:none;border:1px solid #f2f3f3;border-radius:4px;background:#fff;z-index:-1;box-shadow:0 0 10px rgba(0,0,0,0.25);cursor:default}.author__urls.is--visible{display:block}@media (min-width: 64em){.author__urls{display:block;position:relative;margin:0;padding:0;border:0;background:transparent;box-shadow:none}}.author__urls:before{display:block;content:"";position:absolute;top:-11px;left:calc(50% - 10px);width:0;border-style:solid;border-width:0 10px 10px;border-color:#f2f3f3 transparent;z-index:0}@media (min-width: 64em){.author__urls:before{display:none}}.author__urls:after{display:block;content:"";position:absolute;top:-10px;left:calc(50% - 10px);width:0;border-style:solid;border-width:0 10px 10px;border-color:#fff transparent;z-index:1}@media (min-width: 64em){.author__urls:after{display:none}}.author__urls li{white-space:nowrap}.author__urls a{display:block;margin-bottom:5px;padding-right:5px;padding-top:2px;padding-bottom:2px;color:inherit;font-size:1em;text-decoration:none}.author__urls a:hover{text-decoration:underline}@media (prefers-color-scheme: dark) and (max-width: 1023px){.author__urls{background:#222831;border-color:#4e535a;box-shadow:0 0 10px rgba(0,0,0,0.5)}.author__urls a{color:#eee}.author__urls a:hover{color:#bebebe;background:#1a1f24}.author__urls:before{border-color:#4e535a transparent}.author__urls:after{border-color:#222831 transparent}.author__urls li{border-bottom-color:#4e535a}}/*!
 * Font Awesome Free 5.5.0 by @fontawesome - https://fontawesome.com
 * License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License)
 */.fa,.fas,.far,.fal,.fab{-moz-osx-font-smoothing:grayscale;-webkit-font-smoothing:antialiased;display:inline-block;font-style:normal;font-variant:normal;text-rendering:auto;line-height:1}.fa-lg{font-size:1.3333333333em;line-height:.75em;vertical-align:-.0667em}.fa-xs{font-size:.75em}.fa-sm{font-size:.875em}.fa-1x{font-size:1em}.fa-2x{font-size:2em}.fa-3x{font-size:3em}.fa-4x{font-size:4em}.fa-5x{font-size:5em}.fa-6x{font-size:6em}.fa-7x{font-size:7em}.fa-8x{font-size:8em}.fa-9x{font-size:9em}.fa-10x{font-size:10em}.fa-fw{text-align:center;width:1.25em}.fa-ul{list-style-type:none;margin-left:2.5em;padding-left:0}.fa-ul>li{position:relative}.fa-li{left:-2em;position:absolute;text-align:center;width:2em;line-height:inherit}.fa-border{border:solid 0.08em #eee;border-radius:.1em;padding:.2em .25em .15em}.fa-pull-left{float:left}.fa-pull-right{float:right}.fa.fa-pull-left,.fas.fa-pull-left,.far.fa-pull-left,.fal.fa-pull-left,.fab.fa-pull-left{margin-right:.3em}.fa.fa-pull-right,.fas.fa-pull-right,.far.fa-pull-right,.fal.fa-pull-right,.fab.fa-pull-right{margin-left:.3em}.fa-spin{animation:fa-spin 2s infinite linear}.fa-pulse{animation:fa-spin 1s infinite steps(8)}@keyframes fa-spin{0%{transform:rotate(0deg)}100%{transform:rotate(360deg)}}.fa-rotate-90{transform:rotate(90deg)}.fa-rotate-180{transform:rotate(180deg)}.fa-rotate-270{transform:rotate(270deg)}.fa-flip-horizontal{transform:scale(-1, 1)}.fa-flip-vertical{transform:scale(1, -1)}.fa-flip-horizontal.fa-flip-vertical{transform:scale(-1, -1)}:root .fa-rotate-90,:root .fa-rotate-180,:root .fa-rotate-270,:root .fa-flip-horizontal,:root .fa-flip-vertical{filter:none}.fa-stack{display:inline-block;height:2em;line-height:2em;position:relative;vertical-align:middle;width:2.5em}.fa-stack-1x,.fa-stack-2x{left:0;position:absolute;text-align:center;width:100%}.fa-stack-1x{line-height:inherit}.fa-stack-2x{font-size:2em}.fa-inverse{color:#fff}.sr-only{border:0;clip:rect(0, 0, 0, 0);height:1px;margin:-1px;overflow:hidden;padding:0;position:absolute;width:1px}.sr-only-focusable:active,.sr-only-focusable:focus{clip:auto;height:auto;margin:0;overflow:visible;position:static;width:auto}@font-face{font-family:"fontite optimized icon pack";src:url(https://mbradbury.github.io//assets/fonts/site-icons.woff2) format("woff2"),url(https://mbradbury.github.io//assets/fonts/site-icons.woff) format("woff"),url(https://mbradbury.github.io//assets/fonts/site-icons.ttf) format("truetype"),url(https://mbradbury.github.io//assets/fonts/site-icons.svg) format("svg"),url(https://mbradbury.github.io//assets/fonts/site-icons.eot) format("embedded-opentype")}.icon{font-family:"fontite optimized icon pack"}.fab{font-family:"fontite optimized icon pack"}.fas{font-family:"fontite optimized icon pack"}.ai{font-family:"fontite optimized icon pack";font-weight:400;-moz-osx-font-smoothing:grayscale;-webkit-font-smoothing:antialiased;display:inline-block;font-style:normal;font-variant:normal;text-rendering:auto;line-height:1}.si-linkedin:before{content:"\f000"}.si-creative-commons-by:before{content:"\f001"}.si-twitter-square:before{content:"\f002"}.si-github:before{content:"\f003"}.si-calendar:before{content:"\f004"}.si-map-marker:before{content:"\f005"}.si-map-marker-alt:before{content:"\f006"}.si-link:before{content:"\f007"}.si-envelope-square:before{content:"\f008"}.si-folder-open:before{content:"\f009"}.si-asterisk:before{content:"\f00a"}.si-file:before{content:"\f00b"}.si-file-pdf:before{content:"\f00c"}.si-file-image:before{content:"\f00d"}.si-file-powerpoint:before{content:"\f00e"}.si-database:before{content:"\f00f"}.si-project-diagram:before{content:"\f010"}.si-ellipsis-h:before{content:"\f011"}.si-tags:before{content:"\f012"}.si-volume-up:before{content:"\f013"}.si-users:before{content:"\f014"}.si-briefcase:before{content:"\f015"}.si-book:before{content:"\f016"}.si-check-square:before{content:"\f017"}.si-desktop:before{content:"\f018"}.si-code:before{content:"\f019"}.si-dblp-square:before{content:"\f01a"}.si-google-scholar:before{content:"\f01b"}.si-semantic-scholar:before{content:"\f01c"}.si-orcid:before{content:"\f01d"}.si-scopus:before{content:"\f01e"}@media print{.masthead,.toc,.page__share,.page__related,.ads,.page__footer{display:none}}