body {
    display: flex;
    overflow: auto;
    /*min-height: 64rem;*/
}

.main-content {
    flex: 1 1 100%;
    margin: 1vh 0.5vw 1vh;
    padding: 0;
}

.dashboard {
    max-width: 1356px;
    background-image: url('../img/backgrounds/dashboard.jpg');
    background-repeat: no-repeat;
    background-size: cover;
    background-position: 50% 50%;
}
.dashboard .intro {
    justify-content: flex-start;
    height: 100%;
    max-height: 98vh;
}
@media screen and (min-width: 880px) {
    .dashboard .intro {
        justify-content: center;
    }
}
#section-doe-complex {
    flex-basis: 60%;
    justify-content: space-between;
}
#section-site-data {
    flex-basis: 40%;
    height: auto;
}
.site-section-column .section-preview figure {
    height: auto;
}
.site-section-column .section-preview figure img {
    max-height: 32vh;
}

.dashboard .intro {
    background-color: #fff;
    background-color: rgba(255,255,255,0.76);
}
.dashboard .section-content {
    position: relative;
    height: 100%;
    margin-bottom: 0;
    background-color: #ccc;
    background-color: rgba(204,204,204,0.66);
}
.dashboard header {
    position: relative;
}
.header-titles {
    display: flex !important;
    justify-content: center;
    float: none !important;
    margin: 0 auto !important;
    padding-left: 9em;
    padding-right: 9em;
    padding-bottom: 0.5em;
}
.header-titles > a,
.header-titles > div {
    flex: 0 1 auto;
}
.doe-logo {
    max-height: 72px;
    padding-top: 0.25em;
    padding-left: 0.25em;
}
.ehss-logo {
    float: right;
    max-height: 67px;
    padding-top: 0.25em;
    padding-right: 0.5em;
}
.info-link {
    position: relative;
    display: block;
    float: right;
    width: 4rem;
    height: 4rem;
    line-height: 4rem;
    margin-top: 1.4rem !important;
    margin-left: 1rem;
    font-size: 2.8rem;
    font-family: georgia, times, 'times new roman', serif;
    text-decoration: none;
    text-align: center;
    color: #fff;
    background-color: #0071bc;
    border-radius: 50%;
}
.info-link {/* for absolutely positioned */
    position: absolute;
    display: block;
    top: 0.5em;
    right: 0.5em;
    float: none; 
    margin-top: 0 !important; 
    margin-left: 0; 
}
.info-link:visited {
    color: #fff;
}
.info-link:hover,
.info-link:active, 
.info-link:focus {
    color: #fff;
    background-color: #205493;
}
.info-box {
    right: -16px;
    max-width: 256px;
    padding: 7px;
    font-size: 1.5rem;
    font-family: "Helvetica Neue", "Helvetica", "Roboto", "Arial", sans-serif;
    color: #fff;
    background-color: #494440;
    border-color: #212121;
}
.info-box.bottom {
    top: 47px;
}
.info-box.bottom::before {
    border-bottom-color: #212121;
    left: 206px;
}
.dashboard header h1 {
    clear: none;
    margin-top: 0.25em;
    padding-top: 0;
    font-size: 1.3rem;
    text-align: center;
    text-transform: uppercase;
}
.dashboard header h2 {
    clear: none;
    margin-bottom: 0;
    padding-top: 0.5em;
    font-size: 1.4rem;
    font-family: "Helvetica Neue", "Helvetica", "Roboto", "Arial", sans-serif;
    text-align: center;
    text-transform: uppercase;
}
.dashboard .usa-button {
    font-size: 1.4rem;
}
.intro-action .usa-button {
    font-size: 1.6rem;
}
.section-buttons {
    top: auto;
    bottom: 1em;
}
header .section-buttons {
    top: 0;
    left: 0;
    bottom: auto;
    width: 100%;
}
.section-navigation-button {
    position: absolute;
    top: 1em;
    left: 1.25em;
    width: auto;
}
/*.section-buttons .usa-button {
    color: #fff;
    background-color: #0071bc;
    background-image: url('../img/arrow-left-reverse.png');
    background-image: url('../img/arrow-left-reverse.svg'), none;
}
.section-buttons .usa-button:hover {
    background-color: #205493;
}*/
@media screen and (min-width: 900px) {
    .dashboard header h1 {
        font-size: 1.5rem;
    }
}
@media screen and (min-width: 1201px) {
    .dashboard header h1 {
        font-size: 1.8rem;
    }
    .dashboard header h2 {
        font-size: 1.5rem;
    }
}

.dashboard-main {
    display: flex;
    justify-content: space-between;
}
.dashboard {
    position: relative;
    height: 100%;
}
@media screen and (min-width: 880px) {
    .dashboard {
        height: auto;
    }
}
.dashboard-section {
    flex: 0 1 auto;
    padding: 0 2em;
}
.dashboard-section:first-child {
	padding-right: 0;
}
.dashboard-subsection {
    display: none;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 51;
    width: 100%;
    min-height: 100%;
    padding: 0 4em 5em;
    font-size: 1.2rem;
    background-color: rgba(255,255,255,0.96);
}
.dashboard-subsection.show {
    display: block;
}
#site-section-2 {
    height: auto;
    min-height: 100%;
    padding-bottom: 6em;
    font-size: 1.3rem;
}
.dashboard-subsection .usa-grid-full {
    width: 90%;
    max-width: 1384px;
}
#site-section-2 .usa-grid-full {
    width: 100%;
    max-width: 1536px;
    padding: 0 5%;
}
.dashboard-subsection h1 {
    font-size: 3.5rem;
    margin-top: 0;
    padding: 0.5em 1.5em 0;
}
@media screen and (min-width: 768px) {
    .dashboard-subsection h1 {
        padding-left: 1em;
        padding-right: 1em;
    }
}
.dashboard-subsection.usa-width-one-whole figure {
    float: none;
    clear: both;
    width: 90%;
    max-width: 1024px;
    margin-left: auto;
    margin-right: auto;
}
.dashboard-subsection figure img {
    display: block;
    max-width: 100%;
    max-height: 70vh;
    margin: 0 auto;
}
.dashboard-subsection .usa-width-one-whole img {
    max-height: 50vh;
}
#site-section-1 figure img {
    max-height: 100%;
}
.dashboard-subsection figcaption {
    width: 80%;
    margin: 0 auto;
    font-size: 1.2rem;
}
.dashboard-subsection ol li,
.dashboard-subsection ul li {
    margin-bottom: 0;
}
.dashboard-subsection-contents {
    font-size: 1.4rem;
}
.dashboard-subsection-buttons {
    position: absolute;
    top: 0.75em;
    left: 1.5em;
}

#doe-section-left-1 .popup.hotspot-content {
    min-width: 300px;
}
#doe-section-center-1 figure +  .dashboard-subsection-contents ul {
    margin-top: 4em;
}
#doe-section-center-1 figure +  .dashboard-subsection-contents li {
    margin-bottom: 0.5em;
}
#doe-section-right-1 table tbody td + td {
    background-color: transparent;
}
#doe-section-right-2 .hotspot-content table {
    width: auto !important;
}
#doe-section-right-2 .hotspot-content table th,
#doe-section-right-2 .hotspot-content table td {
    width: auto !important;
    font-size: 1.1rem;
}
#site-section-1 .hotspot-content {
    min-width: auto;
}
#site-section-1 .hotspot-content table {
    width: auto !important;
    min-width: auto;
    height: auto !important;
}
#site-section-1 .hotspot-content table tr {
    width: auto !important;
    height: auto !important;
}
#site-section-1 .hotspot-content table th,
#site-section-1 .hotspot-content table td {
    width: auto !important;
    height: auto !important;
    font-size: 1.2rem;
}


/* nav buttons */
.dashboard-nav-buttons {
    display: flex;
    justify-content: center;
    position: relative;
    z-index: 49;
    float: none;
    margin: 0 0 1em;
    text-align: center;
}
.dashboard-nav-buttons.obscure {
    z-index: 20;
}
.dashboard-nav-buttons .usa-button {
    position: relative;
    margin-top: 0;
    margin-bottom: 0;
    padding-left: 0.5em;
    padding-right: 0.5em;
    font-size: 1.4rem;
}
.dashboard-nav-buttons a[aria-expanded="true"].usa-button {
    overflow: visible;
}
.dashboard-nav-buttons a[aria-expanded="true"].usa-button::after {
    content: '';
    position: absolute;
    bottom: -20px;
    left: calc(50% - 50px);
    display: block;
    overflow: visible;
    width: 0;
    height: 0;
    border: 50px solid transparent;
    border-bottom-color: #008393;
    border-top-width: 0;
    border-bottom-width: 20px;
}
.dashboard-nav-buttons button.usa-button {
    position: relative;
}
.dashboard-nav-buttons button[aria-expanded="true"].usa-button {
    overflow: visible;
}
.dashboard-nav-buttons button[aria-expanded="true"].usa-button::after {
    content: '';
    position: absolute;
    bottom: -20px;
    left: calc(50% - 50px);
    display: block;
    overflow: visible;
    width: 0;
    height: 0;
    border: 50px solid transparent;
    border-bottom-color: #008393;
    border-top-width: 0;
    border-bottom-width: 20px;
}
.dashboard-nav-buttons button.usa-button:nth-child(1)::after {
    display:none;
}
@media screen and (min-width: 961px) {
    .dashboard-nav-buttons {
        margin-top: -0.25em;
    }
}
@media screen and (min-width: 1201px) {
    .dashboard-nav-buttons {
        margin-top: -0.5em;
    }
}
.close-button-section {
    display: none;
}
.close-button-section.show {
    display: inline-block;
}
.close-button-section.show + a {
    display: none;
}

.button-section-overlay {
    display: none;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 29;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.85);
}
.button-section-overlay.show {
    display: block;    
}
.button-sections {
    position: relative;
}
.button-section-content {
    display: none;
    position:absolute;
    top: 0;
    left: 0;
    z-index: 31;
    width: 100%;
    height: 100%;
    min-height: calc(100vh - 9.75em);
    padding-top: 0.25em;
    font-size: 1.6rem;
    /*background-color: rgba(255, 255, 255, 0.85);*/
}
.button-section-content.show {
    display: block;
}
.button-section-content .usa-grid {
    position: relative;
    height: 100%;
    padding: 0;
}
.button-section-content .usa-grid .usa-width-one-whole {
    margin-right: 0;
    /*padding: 1em 1.5rem;*/
}
@media screen and (min-width: 799px) {
    .button-section-content {
        /*padding-top: 6.8em;*/
    }
}
@media screen and (min-width: 600px) {
    #button-section-2 .usa-grid .usa-width-one-whole {
        padding: 1em 3rem;
    }
}
.button-section-content .usa-width-one-whole {
    background-color: #fff;
    border: 2px solid #008393;
    border-top-width: 5px;
    box-shadow: 5px 5px 16px rgba(51, 51, 51, 0.25);
}
.button-section-content .center-align {
    margin-bottom: 0;
}
.button-section-content .center-align.uppercase-text {
    margin-top: 0.25em;
    margin-bottom: 1em;
    font-size: 2.8rem;
    font-weight: bold;
}

.button-section-navigation {
    display: none;
    position: absolute;
    top: 0.5em;
    left: 1em;
    z-index: 39;
}
.button-section-navigation.show {
    display: block;
}

.button-tabs {
    position: relative;
}
.button-tab-controls {
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    list-style: none;
    overflow: hidden;
}
.button-tab-controls li {
    top: 100%
    width: 100%;
    margin-bottom: 0;
    padding: 0;
}
.button-tab-controls li:first-child {
    left: 0;
}
.button-tab-controls li:nth-child(2) {
    left: 3.5rem;
}
.button-tab-controls li:nth-child(3) {
    left: 7.0rem;
}
.button-tab-controls a {
    display: block;
    padding-left: 2.5%;
    font-size: 2.2rem;
    line-height: 1.6;
    color: #fff;
    text-decoration: none;
}
.button-tab-controls a:hover {
    color: #fff;
    background-color: #086c79 !important;
}
.button-tab-controls a:focus {
    box-shadow: none;
}
.button-tab-controls li:first-child a {
    background-color: #008393;
}
.button-tab-controls li:nth-child(2) a {
    background-color: #1a8f9e;
}
.button-tab-controls li:nth-child(3) a {
    background-color: #008393;
}
.button-tab-controls li:last-child a {
    background-color: #339ca9;
}

.button-tab-content {
    display: none;
    position: relative;
    padding: 1em 2.5em 0;
}
.button-tab-content.show {
    display: block;
}
.button-tab-content::after {
	clear: both;
	content: "";
	display: block;
}
.button-tab-content h4 {
    margin-top: 0;
    font-size: 3rem;
    font-weight: bold;
}
.button-tab-content p {
    margin-top: 0;
}
.button-tab-content em {
    display: block;
    font-size: 1.8rem;
    line-height: 1.4;
}

.layout-pusher {
    float: right;
    height: 12vh;
    width: 0;
}
.button-tab-content > figure {
    clear: right;
    float: right;
    max-width: 67%;
}
.button-tab-content > figure img {
    position: relative;
    z-index: 9;
    max-height: 35vh;
    margin-left: 1em;
    padding: 8px;
    border-radius: 3px;
    cursor: pointer;
}
.button-tab-content > figure img:hover {
    box-shadow: 4px 4px 36px rgba(0, 52, 87, 0.5);
}

.tab-subcontent {
    display: none;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 10;
    width: 100%;
    height: 100%;
    padding: 1.5em 2.5em;
    background-color: #fff;
}
.tab-subcontent.show {
    display: flex;
}
.tab-subcontent figure {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  flex: 0 1 100%;
}
.tab-subcontent figcaption {
	align-self: flex-start;
}
.tab-subcontent em {
    display: inline;
    font-size: 1.5rem;
}
.tab-subcontent .hotspots img {
    /*width: 100%;*//* fills image in hotspot; historical perspective */
    max-height: 100%;
    margin: 0 auto;
}
@media screen and (min-width: 768px) {
    .tab-subcontent .hotspots {
        height: 100%;
        max-width: 908px;
    	max-height: 444px;
    	margin: 0 auto;
    }
}


.section-column {
    display: flex;
    flex-direction: row;
    justify-content: flex-start;
    flex-wrap: wrap;
    flex: 0 1 22.5%;
    min-height: 100%;
    padding: 0 0.5%;
}
.section-left-column {
    padding-right: 0;
}
.section-center-column {
    flex-basis: 55%;
    padding-right: 0;
    padding-left: 0;
}
.section-right-column {
    padding-right: 0;
    padding-left: 1%;
}
.section-column h2 {
    font-size: 1.4rem;
    font-family: "Helvetica Neue", "Helvetica", "Roboto", "Arial", sans-serif;
}
.section-preview {
    flex: 0 1 auto;
    width: 100%;
}
.section-left-column .section-preview {
	width: 100%;
}
.section-right-column .section-preview {
	width: 49%;
}
.section-center-column .section-preview {
	max-width: 82.5%;
}
.section-right-column .section-preview:first-child {
	margin-right: 2%;
}
.section-right-column .section-preview:last-child {
	width: 100%;
}
.section-preview:hover {
    cursor: pointer;
}
.section-preview figure {
    margin-bottom: 1em;
}
.section-preview figure a {
    display: block;
    box-shadow: none;
}
.section-preview figure img {
    max-height: 18vh;
    padding: 8px;
    border-radius: 3px;
}
.section-preview:hover figure img {
    box-shadow: 4px 4px 36px rgba(0, 52, 87, 0.5);
}

#doe-section-center-1 .hotspots .popup {
    min-width: 480px;
}
#average-measurable-ted .hotspot-content.top::after,
#average-measurable-ted .hotspot-content.bottom::before,
#doses-in-excess-of-limits .hotspot-content.top::after,
#doses-in-excess-of-limits .hotspot-content.bottom::before {
    left: 80%;
}
#average-measurable-ted_png-4,
#average-measurable-ted_png-5 {
    width: 320px;
    min-width: 320px;
}
#doe-section-right-1 table th,
#doe-section-right-1 table td {
    font-size: 1.2rem;
}
#bioassay-and-air-sampling-measurements_png-1 {
    min-width: 544px;
}
#bioassay-and-air-sampling-measurements_png-3 {
    max-width: 512px;
}
#individuals-with-ced_png-3::after {
    top: 40%;
}
@media screen and (min-width: 800px) {
    #average-measurable-ted_png-4,
    #average-measurable-ted_png-5 {
        width: auto;
        min-width: 360px;
    }
    #bioassay-and-air-sampling-measurements_png-1,
    #bioassay-and-air-sampling-measurements_png-3 {
        max-width: none;
    }
}

.divider-bar {
    display: none;
    width: 1.4em;
    margin-bottom: 1em;
    padding: 0.25em;
    background-color: #205493;
    color: #fff;
}
.divider-bar::after {
	clear: both;
	content: "";
	display: block;
}
.divider-bar .left-align,
.divider-bar .right-align {
    position: relative;
}
.divider-bar .left-align::before {
    content: "";
    display: block;
    position: absolute;
    top: -15px;
    left: 50%;
    width: 0;
    height: 12px;
    margin-left: -12px;
    border-bottom: 12px solid #205493;
    border-left: 12px solid transparent;
    border-right: 12px solid transparent;
}
.divider-bar .right-align::after {
    content: "";
    display: block;
    position: absolute;
    bottom: -15px;
    left: 50%;
    width: 0;
    height: 12px;
    margin-left: -12px;
    border-top: 12px solid #205493;
    border-left: 12px solid transparent;
    border-right: 12px solid transparent;
}


/* site dose data tables */
#site-section-2 h1 {
  margin-top: 0.25em;
  margin-bottom: 0;
}
#site-section-2 .top-gutter {
  margin-top: 0.5em;
}
#site-section-2 figure { display: none; }

.dose-comparison {
  margin: 0 -5%;
  width: 110%;
}
.dose-comparison thead {
  border-bottom: 2px solid #fff;
}
.dose-comparison thead tr,
.dose-comparison tfoot tr {
  background-color: #d6eeee;
}
.dose-comparison thead th {
  text-align: center;
  font-weight: bold;
}
.dose-comparison thead th + th {
  border-left: 2px solid #fff;
  min-width: 0;
}
.dose-comparison thead tr.dark-green-bar {
  background-color: #008393;
}
.dose-comparison thead tr.dark-green-bar th {
  color: #fff;
  font-size: 1.6rem;
}
.dose-comparison tbody tr {
  background-color: #d9e3f4;
}
.dose-comparison tbody tr:nth-child(odd) {
  background-color: #d6eeee;
}
.dose-comparison tbody tr.hanford-childrow,
.dose-comparison tbody tr.savannahriver-childrow {
  background-color: #d6eeee;
}
.dose-comparison tbody tr:nth-child(10) ~ tr:nth-child(odd) {
  background-color: #d9e3f4;
}
.dose-comparison tbody tr:nth-child(10) ~ tr:nth-child(even) {
  background-color: #d6eeee;
}
.dose-comparison tbody tr.oakridge-parentrow ~ tr.oakridge-childrow {
  background-color: #d9e3f4;
}
.dose-comparison tbody tr.savannahriver-parentrow ~ tr.savannahriver-childrow {
  background-color: #d6eeee;
}
.dose-comparison tbody tr.hanford-childrow td:first-child,
.dose-comparison tbody tr.oakridge-childrow td:first-child,
.dose-comparison tbody tr.savannahriver-childrow td:first-child {
  padding-left: 2em;
}
.dose-comparison th,
.dose-comparison td {
  font-size: 1.2rem;
  background-color: transparent;
  color: #000;
  vertical-align: bottom;
}
.dose-comparison td {
  position: relative;
  width: 8%;
}
.dose-comparison tfoot {
  border-top: 1px solid #fff;
}
.dose-comparison tfoot td {
  font-weight: bold;
}

.dose-comparison td.hanford-group:first-child,
.dose-comparison td.oakridge-group:first-child,
.dose-comparison td.savannahriver-group:first-child {
  padding: 0;
}
.hanford-group table,
.oakridge-group table {
  margin-bottom: 0;
}
.dose-comparison .hanford-group tbody tr,
.dose-comparison .oakridge-group tbody tr,
.dose-comparison .savannahriver-group tbody tr {
  background-color: transparent;
}
.hanford-group tr + tr td:first-child,
.oakridge-group tr + tr td:first-child {
  padding-left: 1.334em;
}

.dose-comparison td:nth-child(2n) {
  border-left: 2px solid #fff;
}
.dose-comparison td:nth-child(2n) {
  text-align: right;
}
.dose-comparison td:nth-child(2n + 1) {
  padding-right: 20px;
}
.dose-comparison td:nth-child(odd) {
  border-left: none;
  text-align: right;
}
.dose-comparison td:first-child {
  width: 17%;
  padding-right: 0.334em;
  text-align: left;
}

.dose-comparison td.highlight {
    border: 2px solid #008393;
}
.dose-comparison td.highlight a,
.dose-comparison td.highlight.increase,
.dose-comparison td.highlight.decrease {
    font-weight: bold;
}
.dose-comparison td.highlight:nth-child(odd),
.dose-comparison td.highlight:nth-child(even) {
    border-left: 2px solid #008393;
}

.dose-comparison a {
    text-decoration: none;
}
.dose-comparison .info-popup.bottom {
    /*top: calc(100% + 6px);*/
}
.dose-comparison tbody td:nth-child(1) + td .info-popup {
    right: -464px;
}
.dose-comparison tbody td:nth-child(1) + td .info-popup.top::after,
.dose-comparison tbody td:nth-child(1) + td .info-popup.bottom::before {
    left: 216px;
}
.dose-comparison tbody td:nth-child(3) + td .info-popup {
    right: -464px;
}
.dose-comparison tbody td:nth-child(3) + td .info-popup.top::after,
.dose-comparison tbody td:nth-child(3) + td .info-popup.bottom::before {
    left: 216px;
}
.dose-comparison tbody td:nth-child(5) + td .info-popup {
    right: -364px;
}
.dose-comparison tbody td:nth-child(5) + td .info-popup.top::after,
.dose-comparison tbody td:nth-child(5) + td .info-popup.bottom::before {
    left: 316px;
}
.dose-comparison tbody td:nth-child(7) + td .info-popup {
    right: -164px;
}
.dose-comparison tbody td:nth-child(7) + td .info-popup.top::after,
.dose-comparison tbody td:nth-child(7) + td .info-popup.bottom::before {
    left: 516px;
}
.dose-comparison tbody td:nth-child(9) + td .info-popup {
    right: -96px;
}
.dose-comparison tbody td:nth-child(9) + td .info-popup.top::after,
.dose-comparison tbody td:nth-child(9) + td .info-popup.bottom::before {
    left: 584px;
}
@media screen and (min-width: 1024px) {
    #popup-7c2016 {
        width: 960px;
    }
    #popup-7c2016::before {
        left: 825px;
    }
}
@media screen and (min-width: 1201px) {
    #popup-7c2016 {
        width: 1024px;
    }
    #popup-7c2016::before {
        left: 888px;
    }
}

.increase {
    background-image: url(../img/arrow-increase.png);
    background-image: url(../img/arrow-increase.svg), none;
    background-position: right 2px bottom 4px;
    background-size: 12px 12px;
    background-repeat: no-repeat;
}
.decrease {
    background-image: url(../img/arrow-decrease.png);
    background-image: url(../img/arrow-decrease.svg), none;
    background-position: right 2px bottom 4px;
    background-size: 12px 12px;
    background-repeat: no-repeat;
}


/* historical-perspective popups */
.button-tab-content-3 .hotspots > a.right::after {
    display: none;
    content: "";
    position: absolute;
    top: 50%;
    right: -12px;
    width: 0;
    height: 24px;
    margin-top: -12px;
    border-right: 12px solid #008393;
    border-top: 12px solid transparent;
    border-bottom: 12px solid transparent;
}
.button-tab-content-3 .hotspots > a.right:hover::after {
    display: block;
}
.button-tab-content-3 .hotspots > a.left::before {
    display: none;
    content: "";
    position: absolute;
    top: 50%;
    left: -12px;
    width: 0;
    height: 24px;
    margin-top: -12px;
    border-left: 12px solid #008393;
    border-top: 12px solid transparent;
    border-bottom: 12px solid transparent;
}
.button-tab-content-3 .hotspots > a.left:hover::before {
    display: block;
}

.popup em {
    font-size: 1.334rem;
}
.button-tab-content-3 .popup {
    width: 100%;
    max-width: 480px;
    padding: 0;
}
.button-tab-content-3 .hotspots .popup.left::after,
.button-tab-content-3 .hotspots .popup.right::before {
    content: '';
    border: none;
    display: none;
}
.button-tab-content-3 .hotspots a[href="#historical-perspective_png-19"]:hover::before {
	/*content: none;*/
	/*display: none;*/
}
.button-tab-content-3 #historical-perspective_png-19 div:last-child,
.button-tab-content-3 #historical-perspective_png-23 div:last-child {
	margin-bottom: 0;
}

.button-tab-content-3 .hotspot-content {
    background-color: transparent;
    border: none;
    font-size: 1.5rem;
}
.button-tab-content-3 .hotspot-content h3 {
    margin: 0 0 0.25em;
    padding: 0.25em;
    text-align: center;
    color: #fff;
    background-color: #086c79;
    font-size: 2.25rem;
    font-weight: normal;
    box-shadow: 12px 12px 24px rgba(51,51,51,0.4);
}
.button-tab-content-3 .hotspot-content h4 {
    margin: 0 0 0 0.5em;
    font-size: 2rem;
    font-weight: bold;
}
.button-tab-content-3 .hotspot-content div {
    margin-bottom: 0.5em;
    padding: 0.25em 1em 0.25em 0.25em;
    font-size: 1.334rem;
    box-shadow: 12px 12px 24px rgba(51,51,51,0.75);
}
.button-tab-content-3 .hotspot-content ul {
    margin-top: 0.25em;
}
.button-tab-content-3 .hotspot-content li {
    margin-bottom: 0.334em;
    line-height: 1.4;
}
.button-tab-content-3 .hotspot-content .sites-info {
    background-color: #fee6a5;
}
.button-tab-content-3 .hotspot-content .policy-info {
    background-color: #cbf4eb;
}
.button-tab-content-3 .hotspot-content .geopolitical-info {
    background-color: #d2ccff;
}
@media screen and (min-width: 951px) {
    #historical-perspective_png-11,
    #historical-perspective_png-22,
    #historical-perspective_png-25,
    #historical-perspective_png-26,
    #historical-perspective_png-27,
    #historical-perspective_png-38 {
        max-width: 520px;
    }
    #historical-perspective_png-19,
    #historical-perspective_png-39 {
        max-width: 600px;
    }
    #historical-perspective_png-41 {
        max-width: 720px;
    }
}
@media screen and (min-width: 1201px) {
    #historical-perspective_png-11,
    #historical-perspective_png-18,
    #historical-perspective_png-22,
    #historical-perspective_png-26,
    #historical-perspective_png-27,
    #historical-perspective_png-38 {
        max-width: 600px;
    }
    #historical-perspective_png-10,
    #historical-perspective_png-19,
    #historical-perspective_png-25,
    #historical-perspective_png-39 {
        max-width: 640px;
    }
    #historical-perspective_png-41 {
        max-width: 800px;
    }
}


@media screen and (min-width: 600px) {
  header .usa-width-one-sixth {
    float: left;
    display: block;
    margin-right: 2.35765%;
    width: 14.70196%;
  }
  header .usa-width-one-sixth:last-child {
    margin-right: 0;
  }
  header .usa-width-one-sixth:nth-child(3n) {
    float: left;
    display: block;
    margin-right: 2.35765%;
    width: 14.70196%;
  }
  header .usa-width-one-sixth:nth-child(3n):last-child {
    margin-right: 0;
  }
  header .usa-width-one-sixth:nth-child(6n) {
    margin-right: 0;
  }
  header .usa-width-two-thirds {
    float: left;
    display: block;
    margin-right: 2.35765%;
    width: 65.88078%;
  }
  header .usa-width-two-thirds:last-child {
    margin-right: 0;
  }

}