@font-face{font-family:Lato;font-style:italic;font-weight:300;src:local("Lato Light Italic"),local("Lato-LightItalic"),url('https://patient.azureedge.net/res/636628562455861883/p5/lato-300i.woff') format("woff2"),url('https://patient.azureedge.net/res/636628562455861883/p5/lato-300i.woff') format("woff");font-display:swap}@font-face{font-family:Lato;font-style:normal;font-weight:400;src:local("Lato Regular"),local("Lato-Regular"),url('https://patient.azureedge.net/res/636628562455861883/p5/lato-r.woff') format("woff2"),url('https://patient.azureedge.net/res/636628562455861883/p5/lato-r.woff') format("woff");font-display:swap}@font-face{font-family:Lato;font-style:italic;font-weight:400;src:local("Lato Italic"),local("Lato-Italic"),url('https://patient.azureedge.net/res/636628562455861883/p5/lato-i.woff') format("woff2"),url('https://patient.azureedge.net/res/636628562455861883/p5/lato-i.woff') format("woff");font-display:swap}@font-face{font-family:Lato;font-style:normal;font-weight:700;src:local("Lato Bold"),local("Lato-Bold"),url('https://patient.azureedge.net/res/636628562455861883/p5/lato-700.woff') format("woff2"),url('https://patient.azureedge.net/res/636628562455861883/p5/lato-700.woff') format("woff");font-display:swap}@font-face{font-family:Lato;font-style:normal;font-weight:900;src:local("Lato Black"),local("Lato-Black"),url('https://patient.azureedge.net/res/636628562455861883/p5/lato-900.woff') format("woff2"),url('https://patient.azureedge.net/res/636628562455861883/p5/lato-900.woff') format("woff");font-display:swap}html{line-height:1.15;-webkit-text-size-adjust:100%}body{margin:0}h1{font-size:2em;margin:.67em 0}a{background-color:transparent}strong{font-weight:bolder}img{border-style:none}button,input{font-family:inherit;font-size:100%;line-height:1.15;margin:0;overflow:visible}button{text-transform:none}[type=button],[type=submit],button{-webkit-appearance:button}[type=button]::-moz-focus-inner,[type=submit]::-moz-focus-inner,button::-moz-focus-inner{border-style:none;padding:0}[type=button]:-moz-focusring,[type=submit]:-moz-focusring,button:-moz-focusring{outline:1px dotted ButtonText}::-webkit-file-upload-button{-webkit-appearance:button;font:inherit}html{background:#fff;-webkit-box-sizing:border-box;box-sizing:border-box;height:100%;line-height:1.45;font-size:16px}@media screen and (min-width:320px){html{font-size:calc(15.37864px + .19417vw)}}@media screen and (min-width:1350px){html{font-size:18px}}*,:after,:before{-webkit-box-sizing:border-box;box-sizing:border-box}body{font-family:Lato,Helvetica,sans-serif;color:#333;-moz-osx-font-smoothing:grayscale;-webkit-font-smoothing:antialiased;position:relative;background:#fff;min-width:320px;padding-top:56px;padding-bottom:70px}@media screen and (min-width:729px){body{padding-top:0;padding-bottom:0}}[data-js=no] body{padding-top:0;padding-bottom:0}h1,h2,h4,h5,h6,p{margin:0;font-size:inherit;font-weight:inherit}h1,h2,h4,h5,h6{font-weight:700;color:#0f2e4c;line-height:1.2;-webkit-font-variant-ligatures:none;font-variant-ligatures:none}p{font-size:inherit}iframe{border:0}ol,ul{margin:0;padding:0;list-style:none}svg:not(:root){overflow:hidden;fill:currentColor}.hide_svg{display:none}a{color:#007bc2;-webkit-text-decoration-skip:ink;text-decoration-skip:ink}input{font-family:Lato,Helvetica,sans-serif;font-size:16px;color:#333}input[type=email],input[type=text]{padding:.5rem .6rem;font-size:16px;background-color:#fff;border:1px solid #b7c0c9;border-radius:4px}label[for]{font-weight:700}button,label[for]{font-family:Lato,Helvetica,sans-serif}button{background:transparent;border:0;padding:0}.slat{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-align:center;-ms-flex-align:center;align-items:center;width:100%;-webkit-box-orient:vertical;-webkit-box-direction:normal;-ms-flex-direction:column;flex-direction:column}.container{width:100%;max-width:calc(1350px + 3rem);padding-left:.75rem;padding-right:.75rem;margin:0 auto}@media (min-width:561px){.container{padding-left:1.5rem;padding-right:1.5rem}}@media (min-width:1181px){.container{padding-left:3rem;padding-right:3rem}}.grid{display:-webkit-box;display:-ms-flexbox;display:flex;-ms-flex-wrap:wrap;flex-wrap:wrap;margin-left:-.75rem;margin-right:-.75rem;min-width:100%;-webkit-box-orient:horizontal;-webkit-box-direction:normal;-ms-flex-direction:row;flex-direction:row;vertical-align:top}.grid.container{padding-left:0;padding-right:0;min-width:0}@media screen and (min-width:561px){.grid.container{padding-left:.75rem;padding-right:.75rem}}@media screen and (min-width:1181px){.grid.container{padding-left:2.25rem;padding-right:2.25rem}}.col{vertical-align:top;-webkit-box-flex:0;-ms-flex:none;flex:none;padding-left:.75rem;padding-right:.75rem;min-width:0;-ms-flex-preferred-size:100%;flex-basis:100%;max-width:100%}@media screen and (min-width:729px){.col--medium-11{-ms-flex-preferred-size:91.6666666667%;flex-basis:91.6666666667%;max-width:91.6666666667%}.col--medium-11 .offsetRight--medium-1{margin-right:-9.0909090909%}}@media screen and (min-width:1025px){.col--large-4{-ms-flex-preferred-size:33.3333333333%;flex-basis:33.3333333333%;max-width:33.3333333333%}}@media screen and (min-width:1025px){.col--large-8{-ms-flex-preferred-size:66.6666666667%;flex-basis:66.6666666667%;max-width:66.6666666667%}}@media screen and (min-width:1351px){.col--max-push-1{margin-left:8.3333333333%}}@media screen and (min-width:1351px){.col--max-7{-ms-flex-preferred-size:58.3333333333%;flex-basis:58.3333333333%;max-width:58.3333333333%}}.articleHeader__title,.prose>h2,.seriesNav__subtitle,.subNavModal__subtitle,.subNavModal__title,.u-h4{color:#0f2e4c;line-height:1.2;font-weight:700;-webkit-font-variant-ligatures:none;font-variant-ligatures:none}.articleHeader__title,.subNavModal__title{font-size:26px}@media screen and (min-width:320px){.articleHeader__title,.subNavModal__title{font-size:calc(20.40777px + 1.74757vw)}}@media screen and (min-width:1350px){.articleHeader__title,.subNavModal__title{font-size:44px}}.prose>h2,.subNavModal__subtitle{font-size:22px}@media screen and (min-width:320px){.prose>h2,.subNavModal__subtitle{font-size:calc(17.96117px + 1.26214vw)}}@media screen and (min-width:1350px){.prose>h2,.subNavModal__subtitle{font-size:35px}}.u-h4{font-size:18px}@media screen and (min-width:320px){.u-h4{font-size:calc(16.75728px + .38835vw)}}@media screen and (min-width:1350px){.u-h4{font-size:22px}}.seriesNav__subtitle{font-size:14px}@media screen and (min-width:320px){.seriesNav__subtitle{font-size:calc(13.37864px + .19417vw)}}@media screen and (min-width:1350px){.seriesNav__subtitle{font-size:16px}}.u-hide{display:none!important}.u-mt{margin-top:1.5rem!important}.u-mt--s{margin-top:.75rem!important}.u-mt--m{margin-top:1.5rem!important}.u-mt--l{margin-top:2.25rem!important}.u-mb{margin-bottom:1.5rem!important}.u-mb--s{margin-bottom:.75rem!important}.u-mb--l{margin-bottom:2.25rem!important}.u-pb{padding-bottom:1.5rem!important}.u-pb--xl{padding-bottom:3rem!important}.button{padding:0;font-family:Lato,Helvetica,sans-serif;font-size:1rem;color:#333;text-decoration:none;border-radius:4px;text-align:center;background-color:#009bf5;border:2px solid #009bf5}.button,.button__text{position:relative;display:inline-block}.button__text{padding:.5em 1.2em .6em;font-weight:700;line-height:1.1;color:#fff;z-index:2}.button--transparent{border-color:#fff;background-color:transparent}.button--transparent:after{z-index:1;content:"";position:absolute;background:rgba(0,0,0,.1);opacity:0;top:0;bottom:0;left:0;right:0;width:100%;height:100%}.button--full{display:block;width:100%}.fieldGroup__label{font-weight:700;display:block;margin-bottom:.5em}.fieldGroup__fields{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-orient:vertical;-webkit-box-direction:normal;-ms-flex-direction:column;flex-direction:column}.fieldGroup .field__label{font-weight:400}.field{vertical-align:middle}.field__label{font-weight:700;display:block;margin-bottom:.4em}.field--full .field__input{width:100%}.icon{display:inline-block;line-height:1em;font-size:1em}.icon svg{width:1em;height:1em;fill:currentColor}.link{font-size:1rem;display:-webkit-inline-box;display:-ms-inline-flexbox;display:inline-flex;-webkit-box-align:baseline;-ms-flex-align:baseline;align-items:baseline;-webkit-box-flex:0;-ms-flex:none;flex:none}.link__icon.icon{font-size:1.1em;margin-right:.4em;position:relative;top:.2em}.link__text{font-size:1em}.link--plain{text-decoration:none}.alert{background:#ffd500;font-weight:700;font-size:.8em;text-align:center;padding:10px 30px 10px 10px;position:relative;line-height:1.25;position:fixed;bottom:0;left:0;right:0;z-index:1002}.alert a{color:#00639d}.alert__close{position:absolute;top:50%;-webkit-transform:translateY(-40%);transform:translateY(-40%);right:10px;color:#333;font-size:.8rem}.alert--cookie{padding:30px 0;text-align:left;font-weight:700;background-color:rgba(229,245,254,.95)}.alert--cookie:after,.alert--cookie:before{content:" ";display:table}.alert--cookie:after{clear:both}.alert--cookie>.container{position:relative}.alert--cookie .alert__text{padding:0 115px 0 15px;color:#314e68;font-size:14px}.alert--cookie .alert__text a{color:#32adf5}.alert--cookie .alert__text p{margin-bottom:2px}.alert--cookie .alert__text p:last-child{margin-bottom:0}@media (max-width:728px){.alert--cookie .alert__text p{margin-bottom:0}}@media (max-width:728px){.alert--cookie .alert__text{padding:0 15px;font-size:12px;line-height:19px;margin-bottom:2em}}.alert--cookie .alert__button{padding:0 15px;position:absolute;right:3rem;top:0;bottom:0;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-align:center;-ms-flex-align:center;align-items:center}@media (max-width:1180px){.alert--cookie .alert__button{right:25px}}@media (max-width:728px){.alert--cookie .alert__button{position:static;text-align:center;display:block}}.alert--cookie .alert__close{position:static;top:0;-webkit-transform:none;transform:none;right:0;font-size:14.5px;border-color:#0ca0f5}.alert--cookie .alert__close:after{content:none!important}.alert--cookie .button__text{color:#0ca0f5;letter-spacing:1px;padding:6px 7px}@media (max-width:728px){.alert--cookie{padding:1.5rem 0}}@media (max-width:728px){.alert{text-align:left;font-size:14px}}@media (max-width:727px){.alert{bottom:70px}}.breadcrumb-item{height:30px}.breadcrumb-item span{font-size:.9rem;padding:.3rem .4rem;background-color:#e5f5fe;letter-spacing:1px}.breadcrumb-item a{display:inline-block;color:#333;text-decoration:none}.breadcrumb-item:first-child .breadcrumb__icon{display:none}.breadcrumb-item:first-child span{top:.3rem;position:relative}@media (min-width:729px){.breadcrumb-item:first-child .breadcrumb__icon{display:none}.breadcrumb-item:first-child span{top:0}.breadcrumb-item{display:-webkit-inline-box;display:-ms-inline-flexbox;display:inline-flex;-webkit-box-align:baseline;-ms-flex-align:baseline;align-items:baseline}.breadcrumb-item:not(:first-child):before{display:inline-block;padding:0 .75rem;color:#b7c0c9;content:"/"}.breadcrumb__icon{display:none}}@media (max-width:728px){.breadcrumb-item:not(:last-child){display:none}}.header{border-bottom:1px solid #b7c0c9;font-size:1rem;background-color:#fff;min-width:0}.header__container{display:-webkit-box;display:-ms-flexbox;display:flex;-ms-flex-align:center;height:56px}.header__branding,.header__container{-webkit-box-align:center;align-items:center}.header__branding{display:inline-block;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-flex:0;-ms-flex:none;flex:none;-ms-flex-align:center;position:relative;top:-5px}.header__logo{display:block;-webkit-box-flex:0;-ms-flex:none;flex:none}.header__logo img{display:block;width:84px}@media screen and (max-width:728px){.header{position:absolute;top:0;left:0;right:0;width:100%;z-index:10010;will-change:top;-webkit-transform:translateZ(0);transform:translateZ(0)}}@media screen and (min-width:729px){.header__search{-webkit-box-flex:1;-ms-flex-positive:1;flex-grow:1;display:inline-block;display:-webkit-box;display:-ms-flexbox;display:flex}.header__search .search__wrapper{max-width:450px;width:100%;margin-left:auto}}@media screen and (max-width:1024px){.header__branding{top:0}}@media screen and (min-width:1025px){.header__logo img{width:10em;height:40px}.header__container{height:auto}}.header__sitenav{width:100%}.menu-mobile{display:none;padding:10px 10px 10px 20px}.megamenu{position:relative;width:100%;z-index:10005}.megamenu .menu-container{margin:0 auto;position:relative;width:100%;z-index:100}.megamenu .nav_search{position:absolute;right:16%;top:50px;display:none}@-moz-document url-prefix(){.megamenu .nav_search{right:22%}}.megamenu .menu{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center}.megamenu .menu>ul:after,.megamenu .menu>ul:before{content:"";display:table}.megamenu .menu>ul:after{clear:both}.megamenu .menu>ul{width:-webkit-max-content;width:-moz-max-content;width:max-content;list-style:none;padding:0;position:relative;-webkit-box-sizing:border-box;box-sizing:border-box;background:#fff}.megamenu .menu>ul>li{float:left;padding:0;margin:0}.megamenu .menu>ul>li span{text-decoration:none;padding-top:1.5em;padding-bottom:1.5em;display:block;font-size:.9rem}.megamenu .menu>ul>li .clickable,.megamenu .menu>ul>li span a{color:#072b4c;font-size:.9rem;font-weight:700;text-transform:uppercase}.megamenu .menu>ul>li a{color:#072b4c;text-decoration:none}.megamenu .menu>ul>li .clickable .up{display:none}.megamenu .menu>ul>li .clickable .down{display:inline}.megamenu .menu>ul>li>ul{background:#fff;-webkit-box-sizing:border-box;box-sizing:border-box;-webkit-box-shadow:0 3px 6px 0 rgba(0,0,0,.3);box-shadow:0 3px 6px 0 rgba(0,0,0,.3);display:none;left:0;list-style:none;margin-bottom:10px;padding:10px 20px 20px;position:absolute;width:70%;z-index:99}.megamenu .menu>ul>li>ul>li:last-child{margin-right:0}.megamenu .menu>ul>li>ul>li{background:none;float:left;list-style:none;margin:0 40px 0 0;padding-bottom:0;width:46%}.megamenu .menu>ul>li>ul>li a{border-bottom:1px solid #ccc;font-weight:700;display:block;line-height:20px;padding:.2em 0 .5em;width:100%}.megamenu .menu>ul>li>ul>li>a{color:#009bf5;font-size:.8rem;line-height:17px;text-transform:uppercase}.megamenu .menu>ul>li>ul>li>ul{display:block;padding:0;margin:20px 10px 10px 0;list-style:none;-webkit-box-sizing:border-box;box-sizing:border-box}.megamenu .menu>ul>li>ul>li>ul>li{width:100%;padding:0 0 15px;margin:0;font-size:.8em}.megamenu .menu>ul>li>ul>li>ul>li a{border:0}.megamenu .menu>ul>li:nth-child(2)>ul{left:7%}.megamenu .menu>ul>li:nth-child(3)>ul{left:14%}.megamenu .menu>ul>li:nth-child(4)>ul{left:21%}.megamenu .menu .menu_box{background-color:#e5f5fe;padding:10px 15px}.megamenu .menu .menu_box a{border:none}@media (max-width:728px){.header__container .megamenu .menu-mobile{padding:15px 0 10px 20px}}@media (max-width:1024px){.show-on-mobile-container{height:auto;padding:0}.show-on-mobile-container .header__logo{left:10px;position:relative}.megamenu .nav_search{display:none;position:absolute;left:23px;top:12px}.megamenu .nav_search .header__search .search__wrapper{max-width:550px;margin-left:0;margin-bottom:20px}.megamenu .menu-container{background-color:#fff;width:100%}.megamenu .menu-container .menu-mobile{display:block;text-align:right}.megamenu .menu-container .menu-mobile .icon{line-height:1.5em;font-size:1.5em;height:30px}.megamenu .menu{display:block;padding:0 20px}.megamenu .menu>ul{display:none;width:100%}.megamenu .menu>ul>li:first-child>ul,.megamenu .menu>ul>li:nth-child(2)>ul,.megamenu .menu>ul>li:nth-child(3)>ul,.megamenu .menu>ul>li:nth-child(4)>ul{left:10px}.megamenu .menu>ul>li.menu-search{display:none}.megamenu .menu>ul>li{width:100%;float:none;display:block;border-bottom:1px solid #ccc}.megamenu .menu>ul>li>span.clickable{padding:1em 1em 1em .2em;width:100%;display:inline-block}.megamenu .menu>ul>li>span.icon_search{padding:1em 1.5em 1em .2em}.megamenu .menu>ul>li>span{padding:0 1.5em 0 .2em;width:100%;display:inline-block}.megamenu .menu>ul>li>span a{display:inline-block;padding:1em .5em 1em .2em}.megamenu .menu>ul>li .clickable .down,.megamenu .menu>ul>li .clickable .up{float:right}.megamenu .menu>ul>li>ul{padding:0 20px 20px 0;-webkit-box-shadow:none;box-shadow:none;position:relative}.megamenu .menu>ul>li>ul>li{float:none;width:100%;margin-top:5px}.megamenu .menu>ul>li>ul>li a{border:none}.megamenu .menu>ul>li>ul>li>ul{position:relative;margin:10px 0 0 10px}.megamenu .menu>ul>li>ul>li:first-child{margin:0}}@media (min-width:729px) and (max-width:1024px){.header__container .megamenu .menu-mobile{padding:20px 12px 10px 20px}}@media (max-width:1024px){.header__branding{width:200px}}.modal{position:fixed;top:0;bottom:0;left:0;right:0;height:0;width:100%;z-index:-1;opacity:0}.modal__close{height:56px;width:44px;margin-left:auto;-webkit-box-flex:0;-ms-flex:none;flex:none;line-height:1;font-size:20px}.modal__label{position:absolute!important;overflow:hidden!important;width:1px!important;height:1px!important;padding:0!important;border:0!important;clip:rect(1px,1px,1px,1px)!important}.modal__content-wrapper{display:block;min-width:0;width:100%;height:100%}.modal__content{background-color:hsla(0,0%,100%,.97);width:100%;overflow:auto;-webkit-overflow-scrolling:touch}@media (min-width:560px){.modal__header{padding-left:.75rem;padding-right:.75rem}.modal__content{padding-left:1.5rem;padding-right:1.5rem}}@media (max-width:727px){.modal__header{height:56px;width:100%;position:absolute;top:0;left:0;right:0;bottom:0;display:-webkit-box;display:-ms-flexbox;display:flex;z-index:10001}}@media (min-width:728px){.modal{background-color:hsla(0,0%,100%,.97)}.modal__header{position:absolute;top:0;right:0;z-index:10001}.modal__close{margin-top:.5rem}}.prose{font-size:1em;clear:both}.prose:after,.prose:before{content:" ";display:table}.prose:after{clear:both}.prose>h2{margin:1.3em 0 .8em}.prose>p{margin:0 0 1em;font-size:1em}.prose :first-child:not(.advertSlot){margin-top:0}.prose :last-child{margin-bottom:0}.prose--lede{font-size:1.2em;line-height:1.4}.references__toggle.icon{margin-left:auto;font-size:1.2rem;-webkit-box-flex:0;-ms-flex:none;flex:none;display:none}.articleHeader{font-size:1rem}.articleHeader__tools{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-align:baseline;-ms-flex-align:baseline;align-items:baseline;position:relative}.articleHeader__actionMenu{margin-left:auto;position:relative}.articleHeader__title{font-weight:700}.articleHeader__title+*{margin-top:.5rem}@media (max-width:559px){.articleHeader__tools{-ms-flex-wrap:wrap;flex-wrap:wrap}}@media (max-width:729px){.articleHeader__tools{display:block;margin-bottom:0}}.certification{font-size:14px}.disclaimer{font-size:.8rem;line-height:1.1}.advertSlot .disclaimer{max-width:300px;margin-top:1rem;line-height:1.4;font-size:.75rem}.advertSlot .disclaimer:before{content:"Disclaimer: Patient does not control or endorse the content of advertisements, which are supplied automatically by third parties."}.feedback__neg--text{text-align:left}.feedback__subscribe--align{margin-top:15px}.search__wrapper{position:relative;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-orient:horizontal;-webkit-box-direction:normal;-ms-flex-direction:row;flex-direction:row;-webkit-box-align:stretch;-ms-flex-align:stretch;align-items:stretch}.search .search__input{-webkit-box-flex:1;-ms-flex-positive:1;flex-grow:1;border:1px solid #b7c0c9;background-color:#fff;font-size:1rem;border-top-right-radius:0;border-bottom-right-radius:0;border-right:0;padding-left:1em}.search__submit{-webkit-box-flex:0;-ms-flex-positive:0;flex-grow:0;background-color:#009bf5;padding:.5em .7em;line-height:1;border-top-right-radius:4px;border-bottom-right-radius:4px;color:#fff}.search__label{position:absolute!important;overflow:hidden!important;width:1px!important;height:1px!important;padding:0!important;border:0!important;clip:rect(1px,1px,1px,1px)!important}.actionMenu{font-size:1rem;display:none;text-align:left}.actionMenu__list{display:-webkit-box;display:-ms-flexbox;display:flex}.actionMenu__action,.actionMenu__list{-webkit-box-align:center;-ms-flex-align:center;align-items:center}.actionMenu__action{display:inline-block;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-flex:0;-ms-flex:none;flex:none}.actionMenu__action+.actionMenu__action{margin-left:1em}.actionMenu__action--dropdown .actionMenu__link{position:relative}.actionMenu__action--dropdown .actionMenu__link:after,.actionMenu__action--dropdown .actionMenu__link:before{bottom:-16px;border:solid transparent;left:50%;content:" ";height:0;width:0;position:absolute;z-index:1001;display:none;margin-left:12px}.actionMenu__action--dropdown .actionMenu__link:after{border-color:transparent transparent #fff;border-width:13px;-webkit-transform:translateX(-17px);transform:translateX(-17px)}.actionMenu__action--dropdown .actionMenu__link:before{border-color:transparent transparent #b7c0c9;border-width:14px;-webkit-transform:translateX(-18px);transform:translateX(-18px)}.actionMenu__icon{font-size:1.333em;margin-right:.2em;position:relative;top:.15em}.actionMenu__link{font-size:.9em;text-decoration:none}.actionMenu__dropdown{-webkit-box-shadow:0 2px 6px rgba(0,0,0,.2);box-shadow:0 2px 6px rgba(0,0,0,.2);margin-top:14px;display:none;width:220px;background:#fff;border:1px solid #b7c0c9;border-radius:4px;padding:10px .75rem;font-size:.8rem;z-index:1000}.actionMenu__option{display:block}.actionMenu__optionLink{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-align:center;-ms-flex-align:center;align-items:center;padding:3px 0}.actionMenu__optionLink .icon{margin-right:.5em}.actionMenu__optionLink--translate{display:block}.actionMenu__translate{display:none}.actionMenu__optionLabel{display:block;-webkit-box-flex:0;-ms-flex:none;flex:none;width:100%}.actionMenu__action--print{display:none}.actionMenu__optionLink--notes{text-decoration:none}.actionMenu__optionLabelText{text-decoration:underline;font-weight:400}.advertSlot{display:-webkit-box;display:-ms-flexbox;display:flex;-ms-flex-wrap:wrap;flex-wrap:wrap;background-color:#eee;-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center}[data-js=no] .advertSlot{display:none!important}.advertSlot--site-banner{position:relative;bottom:0;left:0;right:0;height:70px;z-index:30}.advertSlot--horizontal{-webkit-box-align:center;-ms-flex-align:center;align-items:center;-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center}.advertSlot--vertical{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-orient:vertical;-webkit-box-direction:normal;-ms-flex-direction:column;flex-direction:column;width:100%;-webkit-box-align:end;-ms-flex-align:end;align-items:flex-end;background-color:transparent}.advertSlot--vertical .advertSlot__section{-webkit-box-flex:1;-ms-flex:auto;flex:auto}.advertSlot--vertical .advertSlot__section .advert{margin-left:auto}.advertSlot--vertical .advertSlot__section+.advertSlot__section{margin-top:1.5rem}.advertSlot--inline{position:relative;-webkit-box-orient:vertical;-webkit-box-direction:normal;-ms-flex-direction:column;flex-direction:column;-webkit-box-align:center;-ms-flex-align:center;align-items:center;padding-top:1.5rem;padding-bottom:1.5rem;margin-top:1.5rem;margin-bottom:1.5rem}@media screen and (max-width:370px){.advertSlot--inline{margin-left:-.75rem;margin-right:-.75rem}}@media (max-width:728px){.advertSlot--site-banner{background-color:#eee;bottom:0!important;top:auto!important;position:fixed!important;padding-bottom:0}.advertSlot--site-banner:before{font-size:11px;text-transform:uppercase;content:"Ad";position:absolute;top:0;left:2px}}@media (max-width:560px){.advertSlot--inline .advert__label-text{top:5px;left:auto}}@media (min-width:561px){.advertSlot--inline{float:right;margin:0 auto .75rem 1.5rem;padding:0}}@media (min-width:729px){.advertSlot--site-banner{height:calc(90px + 1rem);bottom:auto;z-index:9999}.advertSlot--site-banner .advert--mobile-leaderboard{display:none}}@media (min-width:1025px){.advertSlot--inline{display:none}}.advert{position:relative;text-align:center;-webkit-box-flex:0;-ms-flex:none;flex:none}[data-js=no] .advert{display:none!important}.advert__label-text{text-align:left;color:#333;font-size:12px;text-transform:uppercase}.advert__label-text:before{content:"Advertisement";display:block;height:22px}.advert__wrapper{font-size:11px;text-transform:uppercase;position:relative}.advert__wrapper:before{content:"Advertisement";display:block;-webkit-transform:rotate(90deg);transform:rotate(90deg);position:absolute;left:-52px;top:38px}.advert--mobile-leaderboard{width:320px;height:50px}.advert--sticky{position:-webkit-sticky;position:sticky;top:1.5rem}.advert--dynamic{min-height:auto;width:auto;min-width:120px;-webkit-box-flex:0;-ms-flex:none;flex:none}@media (max-width:728px){.advert__wrapper:before{content:"";padding:0}}.card{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-orient:vertical;-webkit-box-direction:normal;-ms-flex-direction:column;flex-direction:column;text-align:left;-webkit-box-align:stretch;-ms-flex-align:stretch;align-items:stretch;-webkit-box-flex:1;-ms-flex:auto;flex:auto;border-top:4px solid #0f2e4c;min-height:1px}.card__title a{text-decoration:none;color:currentColor}.card__body{padding:.75rem;-webkit-box-flex:1;-ms-flex:auto;flex:auto}.readspeaker{position:fixed;bottom:0;background-color:#0f2e4c;color:#fff;left:0;right:0;display:none}.readspeaker a{color:#fff;text-decoration:none}.readspeaker__listenLabel{position:absolute!important;overflow:hidden!important;width:1px!important;height:1px!important;padding:0!important;border:0!important;clip:rect(1px,1px,1px,1px)!important}.seriesNav{display:-webkit-box;display:-ms-flexbox;display:flex;-ms-flex-wrap:wrap;flex-wrap:wrap;-webkit-box-align:baseline;-ms-flex-align:baseline;align-items:baseline;font-size:.8em;line-height:1.8}.seriesNav__item,.seriesNav__subtitle{margin-right:.75rem;display:-webkit-inline-box;display:-ms-inline-flexbox;display:inline-flex}.seriesNav__header,.seriesNav__icon{display:none}@media (max-width:559px){.seriesNav--mob .seriesNav__content{display:none;padding:.75rem}.seriesNav--mob{border:1px solid #b7c0c9;display:block;font-size:1em;line-height:1.6}.seriesNav--mob .seriesNav__header{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-align:center;-ms-flex-align:center;align-items:center;height:46px}.seriesNav--mob .seriesNav__item,.seriesNav--mob .seriesNav__title{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-align:baseline;-ms-flex-align:baseline;align-items:baseline;margin-right:0}.seriesNav__item{white-space:normal}.seriesNav__item:not(:last-child){margin-bottom:.5rem}.seriesNav__title{text-transform:uppercase;letter-spacing:.1em;font-size:.95em;margin-bottom:0;margin-left:.75em}.seriesNav--mob .seriesNav__icon{position:relative;display:inline-block;margin-right:.75rem;top:.2em;font-size:1.1em}.seriesNav__toggle{font-size:1.5em;line-height:1;width:46px;height:46px;margin-left:auto;border-left:1px solid #b7c0c9}.seriesNav--mob .seriesNav__subtitle{display:none}}.subnav-label-title{letter-spacing:.1em;text-transform:uppercase}.subnav-nav-modal{display:none}@media (max-width:559px){.subnav-nav-modal{background-color:hsla(0,0%,100%,.97);padding:1rem .75rem;margin:1rem -.75rem 0;border:0}.subnav-nav-modal .seriesNav__title{margin-left:0;margin-bottom:1rem}}.subNavModal__title{margin-top:1.5rem;margin-bottom:.1em}.subNavModal__subtitle{font-style:italic;font-weight:400;color:#63778a;margin-bottom:1.3em}.subNavModal__context{font-weight:700;font-size:.9em;text-transform:uppercase;letter-spacing:.1em;margin-bottom:1.5rem}.subNavModal__item{margin-bottom:.6em}.subNavModal__link{display:block;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-align:center;-ms-flex-align:center;align-items:center}.subNavModal__itemLabel{-webkit-box-flex:1;-ms-flex:auto;flex:auto}.subNavModal__item .icon{-webkit-box-flex:0;-ms-flex:none;flex:none;margin-left:auto;font-size:18px;color:#007bc2}.subnav{font-size:1rem}.subnav__content{background-color:#e5f5fe;padding:1.5rem}.subnav__context{font-weight:700;text-transform:uppercase;letter-spacing:.1em;margin-bottom:1.5rem}.subnav__item{display:-webkit-box;display:-ms-flexbox;display:flex;margin-bottom:.3em;-webkit-box-align:baseline;-ms-flex-align:baseline;align-items:baseline;position:relative;-webkit-column-break-inside:avoid;break-inside:avoid}.subnav__icon.icon{display:inline-block;font-size:.8em;margin-right:1em;position:relative;top:2px;color:#007bc2}.subnav a{color:#0067a3;line-height:1.3}@media (min-width:561px){.subnav{position:static!important;will-change:unset!important}.subnav .subnav__content{display:block}.subnav .subnav__trigger{display:none}.subnav .subnav__items{-webkit-column-count:2;column-count:2;-webkit-column-gap:1.5rem;column-gap:1.5rem}}.breadcrumb__icon{font-size:1.4em;top:.2em;position:relative;color:#009bf5}@media (min-width:729px){.breadcrumb__icon{display:none}}.articleHeader h1{font-size:2.7rem}.cardJoin{background-color:#e7f6f6;border:1px solid #00a3a3;margin-top:0;margin-bottom:1rem;text-align:center;width:350px;max-width:100%;-ms-flex-item-align:end;align-self:flex-end;-webkit-box-flex:0;-ms-flex-positive:0;flex-grow:0;font-size:.8rem}.cardJoin .card__body{padding:1.5rem .75rem}.cardJoin .card__title{color:#00a3a3;margin-bottom:1.5rem;text-decoration:none}.cardJoin__slider{margin-bottom:1.5rem}.cardJoin__slide{color:#333}.cardJoin__slider a{text-decoration:none}.cardJoin__img{margin:0 auto 1rem}.cardJoin__slide img{width:100px}.cardJoin__footer{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center}.cardJoin__footer a{margin-left:5px}@media (max-width:727px){.cardJoin{margin:1rem 0}}.sidebar{-webkit-box-orient:vertical;-webkit-box-direction:normal;-ms-flex-direction:column;flex-direction:column}.sidebar,.sidebar__ads{display:-webkit-box;display:-ms-flexbox;display:flex}.sidebar__ads{-webkit-box-flex:1;-ms-flex:1 0 auto;flex:1 0 auto}@media (max-width:1023px){.sidebar{display:none}}.alert{z-index:100003}.feedback .field{text-align:left}.geo-target{display:none}@media screen and (max-width:728px){.dfpw{display:none}}