@import url('https://fonts.googleapis.com/css2?family=Roboto%2BSlab%3Awght%40400%3B500%3B600&display=swap');
/* @license GNU-GPL-2.0-or-later https://www.drupal.org/licensing/faq */
#main .background-color-black a.dark-blue-gray-btn,#main .background-color-dark-gray a.dark-blue-gray-btn,#main .section-right-angel-gray-bg a.dark-blue-gray-btn,#main .section-left-angel-gray-bg a.dark-blue-gray-btn,#main .overlay-dark a.dark-blue-gray-btn,#main .callout-theme-dark .callout-read-more{color:#000;background-color:#CED2D4;}#main .background-color-black a.dark-blue-gray-btn svg.ext,#main .background-color-black a.dark-blue-gray-btn svg.mailto,#main .background-color-dark-gray a.dark-blue-gray-btn svg.ext,#main .background-color-dark-gray a.dark-blue-gray-btn svg.mailto,#main .section-right-angel-gray-bg a.dark-blue-gray-btn svg.ext,#main .section-right-angel-gray-bg a.dark-blue-gray-btn svg.mailto,#main .section-left-angel-gray-bg a.dark-blue-gray-btn svg.ext,#main .section-left-angel-gray-bg a.dark-blue-gray-btn svg.mailto,#main .overlay-dark a.dark-blue-gray-btn svg.ext,#main .overlay-dark a.dark-blue-gray-btn svg.mailto,#main .callout-theme-dark .callout-read-more svg.ext,#main .callout-theme-dark .callout-read-more svg.mailto{fill:#000;}.footer a.view-all-link:hover,.footer a.view-all-link:focus{background-color:#000;}a.dark-blue-gray-btn span.file--general{filter:invert(1);display:inline;}
.block-ps-callout .callout-read-more{background-color:#363E4A;color:#FFF;border:none;position:relative;transition:800ms ease all;}.block-ps-callout .callout-read-more svg.ext,.block-ps-callout .callout-read-more svg.mailto{fill:#FFF;}.block-ps-callout .callout-read-more:hover,.block-ps-callout .callout-read-more:focus{background-color:#363E4A;}.block-ps-callout .callout-read-more:before,.block-ps-callout .callout-read-more:after{content:'';position:absolute;top:0;right:0;height:2px;width:0;background:#e77500;transition:400ms ease all;}.block-ps-callout .callout-read-more:after{right:inherit;top:inherit;left:0;bottom:0;}.block-ps-callout .callout-read-more:hover:before,.block-ps-callout .callout-read-more:hover:after{width:100%;transition:800ms ease all;}@media (min-width:1199px){.page-node-26 .block-ps-news .content-list{display:flex;flex-wrap:wrap;}.page-node-26 .block-ps-news .content-list-title{flex-basis:20%;margin-top:0;}.page-node-26 .block-ps-news .content-list-title + .content-list-items{flex-basis:80%;max-width:80%;padding-left:5%;}.page-node-26 .block-ps-news .content-list-grid .view-all-container{position:absolute;top:4rem;}}@media (min-width:640px){.footer .block-ps-social-links{text-align:right;}}.timeline-feature-entry-image figure:before{height:25px;z-index:-1;}@media (max-width:991px){.timeline-feature-entry-details:before{display:none;}}@media (min-width:992px){.timeline-feature-entry-details:before{height:25px;}}.footer .layout--fourcol-25-25-25-25 .layout__region--first figure{margin-top:.5rem;}.footer .layout--fourcol-25-25-25-25 .layout__region--first figure img{height:auto;width:80%;}.node--type-ps-events .align-right + .field--name-field-ps-body.clearfix:after{display:none;}
#footer{padding-bottom:0rem;}.doe-logo-footer img{max-width:202px;padding-left:1rem;}.subfooter .col-md-4{max-width:100%;width:100%;}.subfooter .copyright-text{margin-bottom:0;}@media (max-width:47.94rem){.footer .layout--fourcol-25-25-25-25 > .layout-inner-container{gap:0 2rem;}.footer .layout-block-padding-medium.layout[class*=fourcol] .layout__region--quarters{width:47%;margin:0;}.footer .text-align-right{text-align:left;}}@media (max-width:35.94rem){.footer .layout-block-padding-medium.layout[class*=fourcol] .layout__region--quarters{width:100%;}.doe-logo-footer{order:1;}.subfooter .copyright{order:2;margin-bottom:0.5rem;margin-left:0.25rem;}.subfooter .row .col-md-4:nth-child(2){order:3;}.subfooter .row .col-md-4:nth-child(3){order:4;padding-bottom:1rem;}}@media (min-width:36rem){.subfooter .row{display:grid;grid-template-areas:"doe princeton"
        "accessibility ."
        "copyright .";}.doe-logo-footer{grid-area:doe;}.subfooter .row .col-md-4:nth-child(2){grid-area:accessibility;}.subfooter .row .col-md-4:nth-child(3){grid-area:copyright;}.subfooter .copyright{grid-area:princeton;}}@media (min-width:48rem){.subfooter .row{display:grid;grid-template-areas:"subfooter-left subfooter-middle-top subfooter-right"
        "subfooter-left subfooter-middle-bottom subfooter-right";}.doe-logo-footer{grid-area:subfooter-left;grid-row:span 2;}.subfooter .row .col-md-4:nth-child(2){text-align:center;grid-area:subfooter-middle-bottom;}.subfooter .row .col-md-4:nth-child(3){grid-area:subfooter-middle-top;}.subfooter .copyright{grid-area:subfooter-right;grid-row:span 2;}}
:root{--orange:#ee7623;--main-color:#4c5c65;--main-color-light:#c9ced1;}.header:not(.stuck){position:relative;}.site-branding .site-logo{padding-bottom:0;}.site-branding .site-logo img{width:200px;}@media (min-width:62rem){.header:not(.stuck):before{content:'';position:absolute;top:0;left:0;background-color:var(--main-color);width:27vw;height:100%;-webkit-transform-origin:100% 0;transform-origin:100% 0;-webkit-transform:skew(-22deg);transform:skew(-22deg);}.header nav.main-menu{margin-top:-2rem;}.header:not(.stuck) .site-branding{margin-top:-1.5rem;}}@media (min-width:1920px){.header:not(.stuck):before{width:40%;}}@media (max-width:61.94rem){.header{background:var(--main-color);}.header .site-logo{height:5rem;background:url("/sites/g/files/toruqf286/files/2023-07/pppl-simple.svg");background-position:50% 50%;background-repeat:no-repeat;width:191px;}.header .site-logo img{opacity:0;}.header:not(.stuck) .site-branding{margin-top:-1rem;}.princeton-branding .container{padding-top:0.75rem;}.princeton-branding .alt-pu-logo{display:block;background:url("/profiles/ps/themes/ps_base/images/pu-logo-stacked-white.svg") no-repeat 0 0;width:10rem;height:2.5rem;}.princeton-branding .alt-pu-logo img{display:none;}.main-menu button.toggle-mobile-menu{color:#FFF;}.full-width-search-box .search-bar button.toggle-searchbar{top:23px;}.full-width-search-box .search-bar button.toggle-searchbar .fa-search{filter:invert(1);}}#header.stuck{background:var(--main-color);}@media (min-width:62rem){#header.stuck .main-menu ul.main > li > a{color:#FFF;}}#header.stuck .site-branding{margin-top:0;padding-top:0.5rem;padding-bottom:0;}#header.stuck .site-logo{height:5rem;background:url("/sites/g/files/toruqf286/files/2023-07/pppl-simple.svg");background-position:50% 50%;background-repeat:no-repeat;padding-bottom:0;width:191px;}#header.stuck .site-logo img{opacity:0;}@media (min-width:62rem){#header.stuck .main-menu .nav > li > .toggle-submenu{filter:invert(1);}#header.stuck nav.main-menu{margin-top:-3rem;}}@media (max-width:61.94rem){#header.stuck button.toggle-mobile-menu{top:1rem;}#header.stuck button.toggle-searchbar{top:1.4rem;}}@media (min-width:62rem) and (max-width:74.938rem){.header nav.main-menu{margin-top:0;}#header.stuck nav.main-menu{margin-top:-.5rem;}.header:not(.stuck):before{height:calc(100% - 51px);}.site-branding .site-logo{padding-bottom:1rem;}}@media (min-width:62rem){.menu4 .header ul.main > li > a{text-transform:uppercase;}.menu4 .main-menu .navbar-nav > .expanded:hover > .toggle-submenu:hover .toggle-submenu-icon{filter:saturate(0) brightness(0.2);}.menu4 .header .main-menu ul.main > li > .submenu a.is-active{border-color:#E77500;}}a.doe{background:url("/sites/g/files/toruqf286/files/2023-07/DOE_Logo.svg") no-repeat 0 0;text-indent:-9999px;width:10rem;height:2.5rem;display:inline-block;padding-top:0;border:0;}a.doe:hover,a.doe:focus{border:0;}@media (max-width:61.94rem){.header .utility-menu a.doe{margin-top:1rem;margin-left:1.25rem;}}body.front .header + .highlighted{margin-top:0;}.main-menu a{font-weight:400;}@media (min-width:62rem){.menu4 .header .main-menu ul.main > li > .submenu li .submenu a{padding-left:0.5rem;}}
.main-content .node__content .layout:not(.first-child){margin-top:2rem;}.main-content{padding-bottom:0;}.block-ps-news .content-list-title{margin-bottom:2rem;}.main-content.col-md-12 .background-color-black.full-bkg-and-content{padding:0;}video{width:100%;}.front .main-container .layout-block-padding-large.layout[class*=fourcol]{margin-bottom:2rem!important;}@media (min-width:40rem) and (max-width:74.938rem){.front .main-container .layout-block-padding-large.layout[class*=fourcol] .layout-inner-container{gap:2rem;}.front .main-container .layout-block-padding-large.layout[class*=fourcol] .layout__region--quarters{width:48%;margin:0;}}
.section-left-angel-gray-bg,.section-right-angel-gray-bg{position:relative;padding-top:2rem;padding-bottom:2rem;color:#FFF;margin-bottom:2rem;}.section-left-angel-gray-bg a,.section-right-angel-gray-bg a{color:#FFF;}@media (min-width:992px){.section-left-angel-gray-bg:before,.section-right-angel-gray-bg:before{background-color:#4c5c65;content:"";width:91.666667%;height:100%;position:absolute;bottom:0;z-index:-1;border:1px solid #FFF;}.section-left-angel-gray-bg:after,.section-right-angel-gray-bg:after{background-color:#FFF;content:"";width:20%;height:100%;position:absolute;bottom:0;right:0;z-index:-1;transform:skew(-22deg);}.section-left-angel-gray-bg:before{right:0;}.section-left-angel-gray-bg:after{left:0;right:auto;}}.section-right-angel-gray-bg .block-ps-image .block-heading{margin-left:2rem;margin-bottom:1rem;}.section-left-angel-gray-bg .block-ps-callout:after,.section-right-angel-gray-bg .block-ps-callout:after{display:none;}.section-left-angel-gray-bg .callout-image img,.section-right-angel-gray-bg .callout-image img{width:100%;}.section-left-angel-gray-bg.layout--onecol .block-ps-callout .callout-text-link-container,.section-right-angel-gray-bg.layout--onecol .block-ps-callout .callout-text-link-container{padding-left:8.333333%;padding-right:8.333333%;}.section-left-angel-gray-bg.layout--onecol .callout-title,.section-right-angel-gray-bg.layout--onecol .callout-title{margin-bottom:1.5rem;}@media (min-width:992px){.section-left-angel-gray-bg.layout--onecol .callout-image,.section-left-angel-gray-bg.layout--onecol .callout-text-link-container,.section-right-angel-gray-bg.layout--onecol .callout-image,.section-right-angel-gray-bg.layout--onecol .callout-text-link-container{max-width:50%;flex-basis:50%;}.section-left-angel-gray-bg .callout-image-positioning-right,.section-right-angel-gray-bg .callout-image-positioning-right{flex-direction:row;}}@media (min-width:992px) and (max-width:1199px){.section-right-angel-gray-bg:after,.section-left-angel-gray-bg:after{transform:skew(-15deg);}}@media (max-width:991px){.section-left-angel-gray-bg.layout--onecol .block-ps-callout .callout-text-link-container,.section-right-angel-gray-bg.layout--onecol .block-ps-callout .callout-text-link-container{background-color:#4c5c65;position:relative;max-width:100%;flex-basis:100%;}.section-left-angel-gray-bg.layout--onecol .block-ps-callout .callout-image,.section-right-angel-gray-bg.layout--onecol .block-ps-callout .callout-image{max-width:100%;flex-basis:100%;}.section-left-angel-gray-bg.layout--onecol .block-ps-callout .callout-text-link-container:after,.section-right-angel-gray-bg.layout--onecol .block-ps-callout .callout-text-link-container:after,.section-left-angel-gray-bg.layout--onecol .block-ps-image:after,.section-right-angel-gray-bg.layout--onecol .block-ps-image:after{content:"";position:absolute;top:0;left:0;right:0;bottom:0;width:100%;height:100%;background-color:#4c5c65;transform:skewY(3deg);transform-origin:top left;z-index:-1;}.section-left-angel-gray-bg.layout--onecol .block-ps-image,.section-right-angel-gray-bg.layout--onecol .block-ps-image{background-color:#4c5c65;position:relative;padding-top:1rem;}.section-left-angel-gray-bg.layout--onecol .block-ps-callout,.section-right-angel-gray-bg.layout--onecol .block-ps-callout{flex-wrap:wrap;flex-direction:row;}.section-left-angel-gray-bg.layout--onecol .block-ps-callout .callout-text-link-container,.section-right-angel-gray-bg.layout--onecol .block-ps-callout .callout-text-link-container{order:2;}.section-left-angel-gray-bg.layout--onecol .block-ps-callout .callout-image,.section-right-angel-gray-bg.layout--onecol .block-ps-callout .callout-image{order:1;}}.section-left-angel-gray-bg.layout-builder__layout,.section-right-angel-gray-bg.layout-builder__layout{background-color:#4c5c65;}.section-left-angel-gray-bg.layout-builder__layout .layout-builder-block,.section-right-angel-gray-bg.layout-builder__layout .layout-builder-block{background-color:transparent;}.section-left-angel-gray-bg.layout-builder__layout .layout-builder__link,.section-right-angel-gray-bg.layout-builder__layout .layout-builder__link{color:#333;}.main a.dark-blue-gray-btn{background-color:#363E4A;color:#FFF;border:none;position:relative;transition:800ms ease all;padding:10px 30px;border-radius:0;font-weight:700;font-size:0.875rem;text-transform:uppercase;display:inline-block;margin:1em 0 0;margin-bottom:1.5rem;}.main a.dark-blue-gray-btn svg.ext,.main a.dark-blue-gray-btn svg.mailto{fill:#FFF;}.main a.dark-blue-gray-btn:hover,.main a.dark-blue-gray-btn:focus{background-color:#363E4A;}.main a.dark-blue-gray-btn:before,.main a.dark-blue-gray-btn:after{content:'';position:absolute;top:0;right:0;height:2px;width:0;background:#e77500;transition:400ms ease all;}.main a.dark-blue-gray-btn:after{right:inherit;top:inherit;left:0;bottom:0;}.main a.dark-blue-gray-btn:hover:before,.main a.dark-blue-gray-btn:hover:after{width:100%;transition:800ms ease all;}@media (min-width:40em){.section-vertical-align-center:not(.layout--onecol) .layout-inner-container{align-items:center;}.section-vertical-align-center:not(.layout--onecol) .layout-inner-container figure{margin-bottom:0;}.section-vertical-align-center:not(.layout--onecol) .layout-inner-container .block-heading{margin-top:0;}}
.main-content .node__content .layout:not(.first-child){margin-top:0rem;}.billboard{margin-bottom:-1.5em;}.main-content .node__content .layout:not(:last-child){margin-bottom:0rem!important;}.billboard-positioning-center.billboard-dark.billboard-8x3.billboard-with-ambient-video.billboard-has-link.billboard.billboard-overlaid{margin-bottom:0;}.fontset1 h2{margin-bottom:1.5rem;}
.ps-social-links--platforms .fab{margin-bottom:.75em;}.fab:before{padding:.5em;border-radius:50%;}.fa-linkedin:before{background-color:#0077b5;}.fa-twitter:before{background-color:#1da1f2;}.fa-facebook:before{background-color:#4267b2;}.fa-youtube:before{background-color:#ff0000;}.fa-instagram:before{background:radial-gradient(circle farthest-corner at 35% 90%,#fec564,transparent 50%),radial-gradient(circle farthest-corner at 0 140%,#fec564,transparent 50%),radial-gradient(ellipse farthest-corner at 0 -25%,#5258cf,transparent 50%),radial-gradient(ellipse farthest-corner at 20% -50%,#5258cf,transparent 50%),radial-gradient(ellipse farthest-corner at 100% 0,#893dc2,transparent 50%),radial-gradient(ellipse farthest-corner at 60% -20%,#893dc2,transparent 50%),radial-gradient(ellipse farthest-corner at 100% 100%,#d9317a,transparent),linear-gradient(#6559ca,#bc318f 30%,#e33f5f 50%,#f77638 70%,#fec66d 100%);}.fa-pinterest:before{background-color:#e60023;}
div.field--name-field-ps-people-role{font-style:italic;}
.main-content{padding-bottom:0;}.main-content .node__content .layout:not(:last-child){margin-bottom:2rem;}.node__content > .layout .layout__region > .block:not(:last-child){margin-bottom:0rem;}.main-content .node__content .background-color-light-gray.layout,.main-content .node__content .background-color-dark-gray.layout{margin-bottom:0;}
@media (max-width:991px){.sticky-main-menu .header .navbar-collapse.show{overflow-y:scroll;height:calc(100vh - 5rem);}.site-branding .site-logo{margin-left:0;}}
.node--unpublished .section-left-angel-gray-bg,.node--unpublished .section-right-angel-gray-bg{color:#333;}
.front .billboard-with-ambient-video h2.billboard-title{font-size:3.5rem;}.front .billboard-with-ambient-video .billboard-teaser{font-size:24px;}.front .billboard-with-ambient-video .image-caption-overlay-container{padding-bottom:2.5rem;}