body.off-canvas{padding:0;margin:0}.container{width:100%}.row .row{overflow:visible}[role="main"]:before{content:" ";position:absolute;z-index:-1;top:0;left:-100%;width:100%;height:100%}[role="complementary"],[role="main"]{width:100%;display:block;position:relative;z-index:1;-webkit-transition:.25s all ease-in;-moz-transition:.25s all ease-in;-o-transition:.25s all ease-in;transition:.25s all ease-in}.hide-extras [role="complementary"]{display:block}[role="navigation"]#topMenu{-webkit-transition:.25s all ease-in;-moz-transition:.25s all ease-in;-o-transition:.25s all ease-in;transition:.25s all ease-in}[role="navigation"]#topMenu ul{margin-top:0}[role="complementary"]{margin-left:-100%;width:87%;float:left;z-index:2}[role="main"]{margin-left:0;float:right;z-index:1;position:relative}.active [role="complementary"]{margin-left:0}.active [role="main"]{margin-right:-92%;-webkit-box-shadow:2px 2px 3px rgba(50,50,50,.75);-moz-box-shadow:2px 2px 3px rgba(50,50,50,.75);box-shadow:2px 2px 3px rgba(50,50,50,.75)}.active-menu [role="navigation"]#topMenu{margin-top:0!important}@media only screen and (min-width:640px){menu-button,.sidebar-button{display:none}[role="complementary"]{width:20%;margin-left:0;float:left;padding:0}[role="main"]{width:80%;padding:0 0 0 1em}.hide-extras [role="main"]{width:100%}.hide-extras [role="complementary"]{display:none}[role="navigation"]#topMenu{display:none}}table th{font-weight:bold}table td,table th{padding:9px 10px}table.responsive{margin-bottom:0}.scrollable table{border:none!important;width:100%}.pinned{position:absolute;left:0;top:0;background:#fff;overflow:hidden;border-right:1px solid #ccc;border-left:1px solid #ccc}.pinned table{margin-bottom:0!important;border-right:none;border-left:none;width:100%}.pinned table th,.pinned table td,.pinned table tr{white-space:nowrap;height:36px}.pinned td:last-child{border-bottom:0}div.table-wrapper{position:relative;margin-bottom:20px;overflow:hidden;border-right:1px solid #ccc}div.table-wrapper div.scrollable{overflow:scroll;overflow-y:hidden}table.responsive td,table.responsive th{position:relative;white-space:nowrap;overflow:hidden}.tabs-content{width:100%}.widget-ArticleTopInfo .wi-article-title{font-family:"Roboto Slab",Georgia,serif;font-size:32px;font-size:2rem;line-height:1.3}.h6{font-family:"Roboto Slab",Georgia,serif;font-size:24px;font-size:1.5rem;line-height:1.25;font-weight:700;border-bottom:2px solid #5bb5bb;margin-bottom:5px;margin-bottom:.3125rem;padding-bottom:5px;padding-bottom:.3125rem}.h7{font-family:"Roboto Slab",Georgia,serif;font-size:22px;font-size:1.375rem;margin-bottom:5px;margin-bottom:.3125rem;line-height:1.25}.h8{font-family:"Roboto Slab",Georgia,serif;font-size:19px;font-size:1.1875rem;line-height:1.4;font-weight:700}.articleWidgetHead,.box-heading{font-family:"Roboto Slab",Georgia,serif;font-size:16px;font-size:1rem;line-height:1.5;font-weight:700}.widget-ArticleJumpLinks li{font-size:14px;font-size:.875rem;line-height:1.3;font-weight:700}.widget-ArticleTopInfo .wi-authors a,.widget-ArticleTopInfo .ww-citation span,.widget-ArticleTopInfo .wi-clientType,.widget-ArticleTopInfo .wi-pub-date,.widget-ArticleTopInfo .s-comma,.widget-ArticleTopInfo #articleInfo .wi-article-title,#relatedContentWidgets>section .article-title,#relatedContentWidgets>section .widget-RelatedTopics li{font-size:15px;font-size:.9375rem;line-height:1.4}.tableFoot,.tableFoot p,.tableFoot .para{font-size:13px;font-size:.8125rem;line-height:1.4}#articleTabSticker .tab-bar-section>ul li{font-size:15px;font-size:.9375rem;font-family:"Roboto Slab",Georgia,serif;line-height:1.35}.para,div.reveal-modal{font-size:16px;font-size:1rem;line-height:1.5;color:#333}.widget-ArticleTopInfo .ww-authorAffiliations .wi-affiliationList,.widget-ArticleTopInfo .ww-authorAffiliations .ati-toggle-trigger,.widget-ArticleTopInfo .ww-authorAffiliations a,.widget-ArticleTopInfo #articleInfo .ati-toggle-trigger,.widget-ArticleTopInfo #articleInfo a,.figure-section .caption,.table-section .caption,.reveal-modal[role="figure-modal"] .caption,.reveal-modal[role="table-modal"] .caption,.refRow .refContent{font-size:14px;font-size:.875rem;line-height:1.45}.figure-section .original-slide,.figure-section .original-slide a,.table-section .original-slide,.table-section .original-slide a,.reveal-modal[role="figure-modal"] .original-slide,.reveal-modal[role="figure-modal"] .original-slide a,.reveal-modal[role="table-modal"] .original-slide,.reveal-modal[role="table-modal"] .original-slide a{font-family:"Roboto Slab",Georgia,serif;font-size:14px;font-size:.875rem;line-height:1.45}.ajot-button,.client-button{background-color:#24bacd;background-image:-webkit-gradient(linear,left top,left bottom,from(#21b2ad),to(#24bacd));background-image:-webkit-linear-gradient(top,#21b2ad,#24bacd);background-image:-moz-linear-gradient(top,#21b2ad,#24bacd);background-image:-ms-linear-gradient(top,#21b2ad,#24bacd);background-image:-o-linear-gradient(top,#21b2ad,#24bacd);background-image:linear-gradient(top,#21b2ad,#24bacd);filter:progid:DXImageTransform.Microsoft.gradient(GradientType=0,StartColorStr='#21b2ad',EndColorStr='#24bacd');font-size:16px;font-size:1rem;padding:8px 12px;padding:.5rem .75rem;-webkit-box-shadow:0 2px 2px rgba(0,0,0,.25);-moz-box-shadow:0 2px 2px rgba(0,0,0,.25);box-shadow:0 2px 2px rgba(0,0,0,.25);zoom:1;-ms-filter:"progid:DXImageTransform.Microsoft.Shadow(Strength=4, Direction=135, Color='#000000')";color:#fff;font-weight:700;display:inline-block;border:none;cursor:pointer}.ajot-button body:last-child .box-shadow,.client-button body:last-child .box-shadow{filter:none}.ajot-button:hover,.client-button:hover{color:#fff}.ajot-button:hover,.client-button:hover{cursor:pointer}.widget-ArticleTopInfo .ww-authorAffiliations .ati-toggle-trigger:hover,.widget-ArticleTopInfo .ww-authorAffiliations a:hover,.widget-ArticleTopInfo #articleInfo .ati-toggle-trigger:hover,.widget-ArticleTopInfo #articleInfo a:hover,#articleTabSticker .tab-bar .ajot-menu-icon>ul a:hover,#articleTabSticker .toolbox-dropdown:hover,#articleTabSticker .al-link:hover,#articleTabSticker .getAlertsLink:hover,.linkToTop:hover{text-decoration:none}.widget-ArticleTopInfo .ww-authorAffiliations .ati-toggle-trigger i,.widget-ArticleTopInfo .ww-authorAffiliations a i,.widget-ArticleTopInfo #articleInfo .ati-toggle-trigger i,.widget-ArticleTopInfo #articleInfo a i,#articleTabSticker .tab-bar .ajot-menu-icon>ul a i,#articleTabSticker .toolbox-dropdown i,#articleTabSticker .al-link i,#articleTabSticker .getAlertsLink i,.linkToTop i,.widget-ArticleTopInfo .ww-authorAffiliations .ati-toggle-trigger span,.widget-ArticleTopInfo .ww-authorAffiliations a span,.widget-ArticleTopInfo #articleInfo .ati-toggle-trigger span,.widget-ArticleTopInfo #articleInfo a span,#articleTabSticker .tab-bar .ajot-menu-icon>ul a span,#articleTabSticker .toolbox-dropdown span,#articleTabSticker .al-link span,#articleTabSticker .getAlertsLink span,.linkToTop span{display:inline-block}.widget-ArticleTopInfo .ww-authorAffiliations .ati-toggle-trigger i,.widget-ArticleTopInfo .ww-authorAffiliations a i,.widget-ArticleTopInfo #articleInfo .ati-toggle-trigger i,.widget-ArticleTopInfo #articleInfo a i,#articleTabSticker .tab-bar .ajot-menu-icon>ul a i,#articleTabSticker .toolbox-dropdown i,#articleTabSticker .al-link i,#articleTabSticker .getAlertsLink i,.linkToTop i{margin-right:5px;margin-right:.3125rem}.widget-ArticleTopInfo .ww-authorAffiliations .ati-toggle-trigger span:hover,.widget-ArticleTopInfo .ww-authorAffiliations a span:hover,.widget-ArticleTopInfo #articleInfo .ati-toggle-trigger span:hover,.widget-ArticleTopInfo #articleInfo a span:hover,#articleTabSticker .tab-bar .ajot-menu-icon>ul a span:hover,#articleTabSticker .toolbox-dropdown span:hover,#articleTabSticker .al-link span:hover,#articleTabSticker .getAlertsLink span:hover,.linkToTop span:hover{text-decoration:underline}.main-section{padding-left:15px;padding-left:.9375rem}.widget-ArticleTopInfo .wi-article-title .byline{display:block;font-size:16px!important;margin-top:5px;font-weight:bold}.widget-ArticleTopInfo .wi-article-title,.widget-ArticleTopInfo .ww-authorAffiliations{margin-bottom:5px;margin-bottom:.3125rem}.widget-ArticleTopInfo .wi-authors{margin-bottom:8px;margin-bottom:.5rem}.widget-ArticleTopInfo .ww-citation{margin-bottom:10px;margin-bottom:.625rem}.widget-ArticleTopInfo .wi-authors a,.widget-ArticleTopInfo .ww-citation span,.widget-ArticleTopInfo .wi-clientType,.widget-ArticleTopInfo .wi-pub-date,.widget-ArticleTopInfo .s-comma{color:#888}.widget-ArticleTopInfo .wi-category-wrapper{display:none}.widget-ArticleTopInfo .ww-authorAffiliations i,.widget-ArticleTopInfo .ww-authorAffiliations span{color:#127e84}.widget-ArticleTopInfo .ww-authorAffiliations .wi-affiliationList{margin:10px 0;margin:.625rem 0}.widget-ArticleTopInfo .ww-authorAffiliations .wi-affiliationList>li{margin-bottom:8px;margin-bottom:.5rem}.widget-ArticleTopInfo .ww-authorAffiliations .wi-affiliationList .wi-fullname{display:none}.widget-ArticleTopInfo .ww-authorAffiliations,.widget-ArticleTopInfo #articleInfo{margin:0 0 12px 0;margin:0 0 .75rem 0;padding:3px 15px;padding:.1875rem .9375rem;border:1px solid #a2e0e4}.widget-ArticleTopInfo .ww-authorAffiliations i,.widget-ArticleTopInfo #articleInfo i{font-size:12px;font-size:.75rem;font-weight:400}.widget-ArticleTopInfo .ww-authorAffiliations .ati-toggle-trigger,.widget-ArticleTopInfo .ww-authorAffiliations a,.widget-ArticleTopInfo #articleInfo .ati-toggle-trigger,.widget-ArticleTopInfo #articleInfo a{font-weight:700}.widget-ArticleTopInfo .ww-authorAffiliations .ati-toggle-trigger:hover,.widget-ArticleTopInfo .ww-authorAffiliations a:hover,.widget-ArticleTopInfo #articleInfo .ati-toggle-trigger:hover,.widget-ArticleTopInfo #articleInfo a:hover{cursor:pointer}.widget-ArticleTopInfo #articleInfo .ati-toggle-trigger i,.widget-ArticleTopInfo #articleInfo .ati-toggle-trigger span{color:#127e84}.widget-ArticleTopInfo #articleInfo .ati-toggle-content{margin-top:10px;margin-top:.625rem}.widget-ArticleTopInfo #articleInfo i{margin-right:10px;margin-right:.625rem}.widget-ArticleTopInfo #articleInfo .mobile-article-info-toggle{line-height:1;margin:0}.widget-ArticleTopInfo #articleInfo .content{padding:10px 0;padding:.625rem 0}.widget-ArticleTopInfo #articleInfo .wi-article-title{font-family:"Open Sans",Arial,sans-serif;font-weight:700}.widget-ArticleTopInfo .access-state-logos{margin:0 0 8px 0;margin:0 0 .5rem 0}.widget-ArticleTopInfo .access-state-logos .article-accessType{margin:0 4px 0 0;margin:0 .25rem 0 0}#scrollMenu .article-module{border:none}.widget-ArticleNavLinks{margin-bottom:15px;margin-bottom:.9375rem}.hide-for-article-page{display:none!important}.articleWidgetHead{padding:7px 10px;padding:.4375rem .625rem;border-bottom:2px dotted #5bb5bb}.article-module{background-color:#e0eaf4;border-top:3px solid #2eb8cd}.h6{padding-top:5px;padding-top:.3125rem}.abstract{background-color:#dcf3f5;padding:4px 12px;padding:.25rem .75rem;margin-bottom:10px;margin-bottom:.625rem}.figure-section .title,.figure-section .graphic-wrapper,.figure-section table,.table-section .title,.table-section .graphic-wrapper,.table-section table,.reveal-modal[role="figure-modal"] .title,.reveal-modal[role="figure-modal"] .graphic-wrapper,.reveal-modal[role="figure-modal"] table,.reveal-modal[role="table-modal"] .title,.reveal-modal[role="table-modal"] .graphic-wrapper,.reveal-modal[role="table-modal"] table{margin-bottom:10px;margin-bottom:.625rem}.figure-section .figure-title,.figure-section .table-title,.table-section .figure-title,.table-section .table-title,.reveal-modal[role="figure-modal"] .figure-title,.reveal-modal[role="figure-modal"] .table-title,.reveal-modal[role="table-modal"] .figure-title,.reveal-modal[role="table-modal"] .table-title{margin-bottom:5px;margin-bottom:.3125rem;line-height:1.45}.figure-section .caption,.table-section .caption,.reveal-modal[role="figure-modal"] .caption,.reveal-modal[role="table-modal"] .caption{font-weight:600}.figure-section,.table-section{background-color:#e0eaf4;padding:12px 15px;padding:.75rem .9375rem;margin:20px 0 20px 0;margin:1.25rem 0 1.25rem 0}.table-wrapper .pinned{display:none}.bullet{list-style-type:disc;margin:10px 0 0 17.6px;margin:.625rem 0 0 1.1rem}.refRow{margin-bottom:10px;margin-bottom:.625rem}.refRow .refContent{width:100%;word-wrap:break-word}.table-wrapper hr{margin:5px 0 0 0;margin:.3125rem 0 0 0}.tableFoot{margin-bottom:10px;margin-bottom:.625rem}.para{margin-bottom:10px;margin-bottom:.625rem}.para ol{list-style-type:decimal;margin-top:10px;margin-top:.625rem}.client-button{text-align:center;width:100%}.tabs-content{margin-bottom:5px;margin-bottom:.3125rem}.tabs-content>div{width:100%}.tabs-content>div:not(.widget-FirstPagePreview){display:none}.tabs-content>div.active{display:block!important}.tabs-content>.content{padding:15px 0 0 0;padding:.9375rem 0 0 0}.widget-FirstPagePreview{text-align:center;margin-bottom:1em;background:#eee;margin:1em 0;padding:1em}.widget-FirstPagePreview>div:first-child{font-weight:bold}.widget-FirstPagePreview img{padding:1em 0}.box{padding:15px;padding:.9375rem;margin-bottom:15px;margin-bottom:.9375rem}.box p{font-size:15px;font-size:.9375rem;line-height:1.5;margin-bottom:16px;margin-bottom:1rem}.widget-BuyThisResourceLink{display:inline-block}.ppv.box{padding:0;margin-top:10px}.ppv.box a{display:block;padding:7px 15px;background-color:#24bacd;background-image:-webkit-gradient(linear,left top,left bottom,from(#21b2ad),to(#24bacd));background-image:-webkit-linear-gradient(top,#21b2ad,#24bacd);background-image:-moz-linear-gradient(top,#21b2ad,#24bacd);background-image:-ms-linear-gradient(top,#21b2ad,#24bacd);background-image:-o-linear-gradient(top,#21b2ad,#24bacd);background-image:linear-gradient(top,#21b2ad,#24bacd);filter:progid:DXImageTransform.Microsoft.gradient(GradientType=0,StartColorStr='#21b2ad',EndColorStr='#24bacd');text-align:center;font-size:16px;color:#fff;font-weight:700;-webkit-box-shadow:0 2px 2px rgba(0,0,0,.25);-moz-box-shadow:0 2px 2px rgba(0,0,0,.25);box-shadow:0 2px 2px rgba(0,0,0,.25);zoom:1;-ms-filter:"progid:DXImageTransform.Microsoft.Shadow(Strength=4, Direction=135, Color='#000000')"}.ppv.box a body:last-child .box-shadow{filter:none}.ppv.box a:hover{text-decoration:none}.ppv.box a i{margin-right:10px;margin-right:.625rem}.box-heading{margin-bottom:10px;margin-bottom:.625rem}.sign-in-box{background-color:#e0eaf4}.subscribe-box{background-color:#a2e0e4}.math-equation{margin-bottom:7px}#articleTabSticker{background-color:#24bacd;background-image:-webkit-gradient(linear,left top,left bottom,from(#21b2ad),to(#24bacd));background-image:-webkit-linear-gradient(top,#21b2ad,#24bacd);background-image:-moz-linear-gradient(top,#21b2ad,#24bacd);background-image:-ms-linear-gradient(top,#21b2ad,#24bacd);background-image:-o-linear-gradient(top,#21b2ad,#24bacd);background-image:linear-gradient(top,#21b2ad,#24bacd);filter:progid:DXImageTransform.Microsoft.gradient(GradientType=0,StartColorStr='#21b2ad',EndColorStr='#24bacd');-webkit-box-shadow:0 2px 2px rgba(0,0,0,.25);-moz-box-shadow:0 2px 2px rgba(0,0,0,.25);box-shadow:0 2px 2px rgba(0,0,0,.25);zoom:1;-ms-filter:"progid:DXImageTransform.Microsoft.Shadow(Strength=4, Direction=135, Color='#000000')";z-index:100;width:100%;display:block}#articleTabSticker body:last-child .box-shadow{filter:none}#articleTabSticker .tab-bar{background-color:#24bacd;background-image:-webkit-gradient(linear,left top,left bottom,from(#21b2ad),to(#24bacd));background-image:-webkit-linear-gradient(top,#21b2ad,#24bacd);background-image:-moz-linear-gradient(top,#21b2ad,#24bacd);background-image:-ms-linear-gradient(top,#21b2ad,#24bacd);background-image:-o-linear-gradient(top,#21b2ad,#24bacd);background-image:linear-gradient(top,#21b2ad,#24bacd);filter:progid:DXImageTransform.Microsoft.gradient(GradientType=0,StartColorStr='#21b2ad',EndColorStr='#24bacd');height:40px;margin-bottom:0;background:transparent;overflow:visible}#articleTabSticker .tab-bar .toolbox-dropdown,#articleTabSticker .tab-bar .al-link,#articleTabSticker .tab-bar #sidebarButton{line-height:28px}#articleTabSticker .tab-bar .f-dropdown.open li a{width:auto}#articleTabSticker .tab-bar .f-dropdown li{float:none!important}#articleTabSticker .tab-bar .ajot-menu-icon{padding:6px 0;padding:.375rem 0}#articleTabSticker .tab-bar .ajot-menu-icon .widget-ToolboxPdf a{color:#fff}#articleTabSticker .tab-bar .ajot-menu-icon.clicked{background-color:#a2e0e4}#articleTabSticker .tab-bar .ajot-menu-icon>ul{-webkit-box-shadow:0 2px 2px rgba(0,0,0,.25);-moz-box-shadow:0 2px 2px rgba(0,0,0,.25);box-shadow:0 2px 2px rgba(0,0,0,.25);zoom:1;-ms-filter:"progid:DXImageTransform.Microsoft.Shadow(Strength=4, Direction=135, Color='#000000')"}#articleTabSticker .tab-bar .ajot-menu-icon>ul body:last-child .box-shadow{filter:none}#articleTabSticker .tab-bar .inline-list>li a{border-right:1px dotted #a2e0e4}#articleTabSticker .tab-bar .inline-list>li:first-child a{border-right:none}#articleTabSticker .tab-bar .inline-list>li.last{border-right:none}@media screen and (max-width:40em){#articleTabSticker .tab-bar .inline-list>li:first-child a{border-right:1px dotted #a2e0e4}#articleTabSticker .tab-bar .inline-list .ajot-menu-icon>a>span{display:none}}#articleTabSticker .tab-bar-section{padding:0;width:100%!important;left:0;right:0;display:table}#articleTabSticker .tab-bar-section div,#articleTabSticker .tab-bar-section span,#articleTabSticker .tab-bar-section a{text-transform:uppercase}#articleTabSticker .tab-bar-section>ul{width:auto;display:table-row}#articleTabSticker .tab-bar-section>ul li{font-weight:700}#articleTabSticker .tab-bar-section>ul>li{display:table-cell;float:none}#articleTabSticker .tab-bar-section>ul>li>a{color:#fff;width:100%;text-align:center}#articleTabSticker .tab-bar-section>ul>li.clicked a{color:#127e84}#articleTabSticker .f-dropdown{max-width:100%}#articleTabSticker .f-dropdown.open{top:38px!important;left:0!important;width:100%!important;border:none!important;background-color:#a2e0e4}#articleTabSticker .f-dropdown:before,#articleTabSticker .f-dropdown:after{display:none!important}#articleTabSticker .f-dropdown a{background:none!important;padding:0 1em!important;line-height:36px!important}#articleTabSticker .f-dropdown>li{border-top:2px dotted rgba(255,255,255,.5);display:block;height:36px;background-color:#a2e0e4}#articleTabSticker .f-dropdown>li:first-child{border:none}#relatedContentWidgets>section{margin-bottom:15px;margin-bottom:.9375rem}#relatedContentWidgets>section .widget-RelatedTopics ul{margin-bottom:0}#relatedContentWidgets>section .widget-RelatedTopics li{margin-bottom:6px;margin-bottom:.375rem}#relatedContentWidgets>section .citation{font-size:13px;font-size:.8125rem;line-height:1.5;color:#666;margin-bottom:10px;margin-bottom:.625rem}#relatedContentWidgets>section .article-module{border-top:3px solid #2eb8cd}.article-nav .row{background:#000}.article-nav .row div{text-align:center;height:2.625rem;padding:.938em 0!important}.article-nav .row div.current{border-left:1px solid #fff;border-right:1px solid #fff}.article-nav .row div a{color:#fff;font-size:1.125rem}.article-nav ul.inline-list{width:100%;margin:0!important;font-size:100%}.article-nav ul.inline-list li{width:27%;margin:0!important;text-align:center}.article-nav ul.inline-list li a{color:#fff!important;font-family:"Roboto Slab",Georgia,serif;font-size:.875rem;text-transform:uppercase;font-weight:800}.article-nav ul.inline-list li.middle{width:46%;border-right:1px dotted #a2e0e4;border-left:1px dotted #a2e0e4}.article-nav ul.inline-list li.first a,.article-nav ul.inline-list li.last a{font-size:35.2px;font-size:2.2rem;line-height:.4}.css3transition{-moz-transition:margin .2s;-webkit-transition:margin .2s;-ms-transition:margin .2s;-o-transition:margin .2s;transition:margin .2s}.widget-ArticleNavLinks{background-color:#24bacd;background-image:-webkit-gradient(linear,left top,left bottom,from(#21b2ad),to(#24bacd));background-image:-webkit-linear-gradient(top,#21b2ad,#24bacd);background-image:-moz-linear-gradient(top,#21b2ad,#24bacd);background-image:-ms-linear-gradient(top,#21b2ad,#24bacd);background-image:-o-linear-gradient(top,#21b2ad,#24bacd);background-image:linear-gradient(top,#21b2ad,#24bacd);filter:progid:DXImageTransform.Microsoft.gradient(GradientType=0,StartColorStr='#21b2ad',EndColorStr='#24bacd');padding:10px 0;padding:.625rem 0}.widget-ArticleJumpLinks{padding:10px;padding:.625rem}.widget-ArticleJumpLinks ul{margin:0}.widget-ArticleJumpLinks li{margin-bottom:7px;margin-bottom:.4375rem}.linkToTopWrap{background-color:#24bacd;background-image:-webkit-gradient(linear,left top,left bottom,from(#21b2ad),to(#24bacd));background-image:-webkit-linear-gradient(top,#21b2ad,#24bacd);background-image:-moz-linear-gradient(top,#21b2ad,#24bacd);background-image:-ms-linear-gradient(top,#21b2ad,#24bacd);background-image:-o-linear-gradient(top,#21b2ad,#24bacd);background-image:linear-gradient(top,#21b2ad,#24bacd);filter:progid:DXImageTransform.Microsoft.gradient(GradientType=0,StartColorStr='#21b2ad',EndColorStr='#24bacd');padding:7px 10px;padding:.4375rem .625rem}.linkToTop{color:#fff}.active [role="main"]{margin-right:-82%}.active [role="complementary"]{width:77%}.disp-formula .math-data,.math-section .math-data{overflow-x:scroll;overflow-y:hidden;border:1px solid #ccc}.disp-formula .math-data .MathJax,.math-section .math-data .MathJax{display:block!important;padding:.375rem}.disp-formula .math-data .MathJax nobr>.math,.math-section .math-data .MathJax nobr>.math{width:100%!important}.disp-formula .math-data .MathJax nobr>.math>span:first-child,.math-section .math-data .MathJax nobr>.math>span:first-child{width:100%!important}.disp-formula .label,.math-section .label{background:transparent;color:#333;text-align:right}.mathRevealModal{overflow:scroll}.blockquote-wrap{background:#dcf3f5;padding:16px 8px 8px 32px;padding:1rem .5rem .5rem 2rem;margin-top:16px;margin-top:1rem;position:relative}.blockquote-wrap:before{content:"“";position:absolute;font-family:"Helvetica Neue",Helvetica,Arial,sans-serif;color:#127e84;background:#dcf3f5;font-size:80px;font-size:5rem;height:24px;height:1.5rem;margin-left:-17px;margin-left:-1.0625rem;line-height:64px;line-height:4rem}.blockquote-wrap blockquote{padding:0 16px;padding:0 1rem;margin-bottom:0}.blockquote-wrap blockquote .para{font-family:"Open Sans",Arial,sans-serif;margin-top:.625rem}.blockquote-wrap blockquote .para:first-child{margin-top:0}@media screen and (max-width:40em){.off-canvas-toggle{display:block;min-width:25px}.widget-ArticleTopInfo .wi-article-title{font-size:24px;font-size:1.5rem}.large-view-only{display:none}.main-section{padding:0 10px 10px 10px;padding:0 .625rem .625rem .625rem}.sticky-active{position:relative!important;top:0!important}}@media screen and (min-width:40.063em){#scrollTabBar .left-small,#scrollTabBar .right-small{display:none!important}.left-off-canvas-menu{background-color:#fff;position:relative!important;-webkit-transform:none;-ms-transform:none;-moz-transform:none;-o-transform:none;transform:none}.left-off-canvas-menu{width:16.67%}.main-section{width:83.33%;position:relative!important}.left-off-canvas-menu,.main-section{float:left}.right-off-canvas-menu{float:right}.main [role="complementary"]{width:28%}.main [role="main"]{width:72%}.small-view-only{display:none}#articleTabSticker .tab-bar-section>ul>li.off-canvas-toggle{display:none}}@media screen and (min-width:64.063em){.main [role="complementary"]{width:18%}.main [role="main"]{width:82%}.widget-ArticleTopInfo .ww-authorAffiliations{margin-bottom:8px;margin-bottom:.5rem}}@media screen and (min-width:40.063em)and (max-width:64.063em){.left-off-canvas-menu{width:25%}.main-section{width:75%}}