html {
     background-image: url("../img/bg.jpg");
}
 body {
     max-width: 1200px;
     margin: 0 auto;
     padding: 10px 20px;
     font-family: 'Open Sans', sans-serif;
     font-size: 14px;
     line-height: 1.45;
     color: #333;
}
 * {
     box-sizing: border-box;
}
 a, a:hover {
     color: #333;
}
 hr {
     border: 0;
     border-top: 1px solid #c7c7c7;
     margin: 20px 0;
}
/*header*/
 #myHeader {
     position: relative;
     margin-bottom: 25px;
}
 .header-image {
     background-image: url("../img/PISA_TopBG.jpg");
     background-position: left top;
     background-size: cover;
     background-repeat: no-repeat;
     height: 130px;
}
 .text-image {
     margin: 0;
     font-weight: 400;
     position: absolute;
     right: 15px;
     bottom: 5px;
     color: #fff;
     font-size: 48pt;
     line-height: 1.2;
}
 .english-link, .english-link:hover {
     position: absolute;
     left: 15px;
     bottom: 15px;
     color: #fff;
     font-size: 25pt;
     text-decoration: none;
}
/*layout: text on the right, content on the left*/
 .row {
     display: flex;
     gap: 30px;
     align-items: flex-start;
}
 .columnText {
     flex: 1 1 0;
     min-width: 0;
}
 .columnMain {
     flex: 2 1 0;
     min-width: 0;
}
 .columnText p {
     font-size: medium;
     text-align: justify;
     margin: 0 0 10px;
}
/*filters*/
 .filters {
     display: flex;
     flex-wrap: wrap;
     justify-content: center;
     align-items: center;
     gap: 12px 40px;
     padding: 10px 0;
     margin-bottom: 15px;
     border-top: 1px solid #c7c7c7;
     border-bottom: 1px solid #c7c7c7;
}
 .filterGroup {
     text-align: center;
}
 #Subject {
     display: flex;
     flex-direction: row;
     align-items: flex-start;
     gap: 25px;
     direction: ltr;
}
 .filterGroup {
     display: flex;
     flex-direction: column;
     align-items: center;
}
 #Subject .subjectButtons {
     display: flex;
     flex-direction: column;
     align-items: center;
}
 .filterGroup:not(#Subject) {
     position: relative;
     top: -4px;
}
 .filterGroup > small, .subjectButtons > small {
     line-height: 1.2;
     margin: 0 0 3px;
}
 .subjectButtons > small {
     margin: 3px 0 0;
}
 small {
     display: block;
     font-size: 85%;
}
 .subjectImage {
     width: 27px;
     height: 27px;
}
 .btn-circle {
     width: 50px;
     height: 50px;
     padding: 0;
     border-radius: 50%;
     border: 1px solid #777777;
     background-color: #E0E0E0;
     cursor: pointer;
}
 .btn-circle.active, .btn-circle:hover {
     background-color: #777777;
     filter: invert(100%);
}
 .btn-group {
     display: inline-flex;
     direction: ltr;
}
 .btnMeasurments {
     color: #777777;
     background-color: #E0E0E0;
     border: 1px solid #777777;
     font-family: inherit;
     font-size: 12pt;
     padding: 6px 12px;
     margin-left: -1px;
     cursor: pointer;
}
 .btnMeasurments:first-child {
     border-radius: 4px 0 0 4px;
     margin-left: 0;
}
 .btnMeasurments:last-child {
     border-radius: 0 4px 4px 0;
}
 .btnMeasurments.active, .btnMeasurments:hover {
     color: #FFFFFF;
}
 #Gender [data-value="Male"].active, #Gender [data-value="Male"]:hover {
     background-color: #5da5da;
}
 #Gender [data-value="Female"].active, #Gender [data-value="Female"]:hover {
     background-color: #f17cb0;
}
 #Escs.general [data-value="Low"].active, #Escs.general [data-value="Low"]:hover {
     background-color: #bc99c7;
}
 #Escs.general [data-value="Medium"].active, #Escs.general [data-value="Medium"]:hover {
     background-color: #b276b2;
}
 #Escs.general [data-value="High"].active, #Escs.general [data-value="High"]:hover {
     background-color: #7b3a96;
}
 #Escs.female [data-value="Low"].active, #Escs.female [data-value="Low"]:hover {
     background-color: #f6aac9;
}
 #Escs.female [data-value="Medium"].active, #Escs.female [data-value="Medium"]:hover {
     background-color: #f17cb0;
}
 #Escs.female [data-value="High"].active, #Escs.female [data-value="High"]:hover {
     background-color: #e5126f;
}
 #Escs.male [data-value="Low"].active, #Escs.male [data-value="Low"]:hover {
     background-color: #88bde6;
}
 #Escs.male [data-value="Medium"].active, #Escs.male [data-value="Medium"]:hover {
     background-color: #5da5da;
}
 #Escs.male [data-value="High"].active, #Escs.male [data-value="High"]:hover {
     background-color: #265dab;
}
/*both genders selected: economic status is not used*/
 #Escs.both .btnMeasurments, #Escs.both .btnMeasurments:hover {
     color: #b0b0b0;
     background-color: #E0E0E0;
     cursor: default;
}
/*countries and plots*/
 .plots {
     display: flex;
     flex-direction: row-reverse;
     gap: 30px;
}
 .plotColumn {
     flex: 1 1 0;
     min-width: 0;
}
 .countrySelect {
     width: 100%;
     margin-bottom: 15px;
     padding: 6px 12px;
     border: 1px solid #c7c7c7;
     border-radius: 0;
     background-color: #fff;
     font-family: inherit;
     font-size: 18pt;
     color: #777777;
}
 .plot {
     height: 300px;
     background-color: #fff;
}
 .hovertext text {
     font-size: 15px !important;
}
/*table*/
 #analyzeTable {
     font-size: 13px;
}
 #analyzeTable thead input, #analyzeTable thead select {
     width: 100%;
     padding: 3px;
     font-size: 12px;
     font-family: inherit;
}
 #analyzeTable thead select {
     background-color: #fff;
}
 .showVars label {
     margin-right: 12px;
     white-space: nowrap;
}
 .downloads {
     margin-top: 25px;
     display: flex;
     flex-wrap: wrap;
     gap: 8px;
}
 .btnDownload, .btnDownload:hover {
     padding: 6px 12px;
     border: 1px solid #ccc;
     border-radius: 4px;
     background-color: #fff;
     text-decoration: none;
}
 .btnDownload:hover {
     background-color: #e6e6e6;
}
/*footer: logos, two boxes, one thin line*/
 .siteFooter {
     margin-top: 10px;
     padding-bottom: 20px;
}
 .logos {
     display: flex;
     flex-wrap: wrap;
     justify-content: center;
     align-items: center;
     gap: 15px 50px;
     margin-bottom: 25px;
}
 .logos img {
     height: 64px;
     width: auto;
}
 .footerCols {
     display: flex;
     gap: 30px;
     align-items: stretch;
}
 .footerBox {
     flex: 1 1 0;
     min-width: 0;
     padding: 14px 20px;
     background-color: rgba(255, 255, 255, 0.7);
     border: 1px solid #ddd;
     border-radius: 4px;
     font-size: 13px;
}
 .footerBox b {
     display: block;
     margin-bottom: 6px;
     font-size: 14px;
}
 .footerBox .citation {
     direction: ltr;
     text-align: left;
}
 .footerLine {
     display: flex;
     flex-wrap: wrap;
     justify-content: center;
     align-items: center;
     margin-top: 20px;
     padding-top: 12px;
     border-top: 1px solid #c7c7c7;
     font-size: 13px;
}
 .footerLine > * {
     display: inline-flex;
     align-items: center;
}
 .footerLine > * + *::before {
     content: "\00b7";
     margin: 0 12px;
     color: #999;
}
 .footerLine .gh::before {
     content: none;
}
 .footerLine .gh {
     margin-inline-start: 18px;
}
 .footerLine img {
     height: 24px;
}
/*English page (en.html): same layout mirrored, content on the left and text on the right*/
 body.en .text-image {
     right: auto;
     left: 15px;
     font-size: 48pt;
}
 body.en .english-link, body.en .english-link:hover {
     left: auto;
     right: 15px;
     font-size: 15pt;
}
 body.en .plots {
     flex-direction: row;
}
 body.en .fullWidth {
     flex: 1 1 100%;
}
 body.en .columnText p {
     text-align: justify;
}
/*narrow screens: one column*/
 @media (max-width: 800px) {
     .row {
         flex-direction: column;
    }
     .columnText, .columnMain {
         flex: none;
         width: 100%;
    }
     .text-image {
         font-size: 32pt;
    }
     .english-link, .english-link:hover {
         font-size: 16pt;
    }
}
 @media (max-width: 800px) {
     .footerCols {
         flex-direction: column;
         gap: 15px;
    }
     .logos img {
         height: 48px;
    }
}
 @media (max-width: 700px) {
     .columnMain {
         order: -1;
    }
     .plots, body.en .plots {
         flex-direction: column;
         gap: 20px;
    }
     .plotColumn {
         flex: none;
    }
     .plot {
         height: 280px;
    }
     .countrySelect {
         font-size: 16px;
         padding: 10px 12px;
    }
}
 @media (max-width: 520px) {
     body {
         padding: 8px 12px;
    }
     #myHeader {
         margin-bottom: 15px;
    }
     .header-image {
         height: 100px;
    }
     .text-image {
         font-size: 26pt;
         right: 10px;
    }
     body.en .text-image {
         right: auto;
         left: 10px;
         font-size: 26pt;
    }
     .english-link, .english-link:hover {
         left: 10px;
         bottom: 10px;
         font-size: 13pt;
    }
     body.en .english-link, body.en .english-link:hover {
         right: 10px;
         font-size: 13pt;
    }
     .columnText p {
         text-align: start;
    }
     body.en .columnText p {
         text-align: start;
    }
     .filters {
         gap: 14px 24px;
    }
     .btn-circle {
         width: 56px;
         height: 56px;
    }
     .btnMeasurments {
         font-size: 14px;
         padding: 10px 14px;
    }
     #Subject {
         gap: 18px;
    }
     .plot {
         height: 260px;
    }
     /*table: scroll sideways inside its box, controls stack, inputs 16px so iOS does not zoom*/
     #analyzeTable_wrapper {
         overflow-x: auto;
         -webkit-overflow-scrolling: touch;
    }
     #analyzeTable_wrapper .dataTables_length, #analyzeTable_wrapper .dataTables_filter, #analyzeTable_wrapper .dataTables_info, #analyzeTable_wrapper .dataTables_paginate {
         float: none;
         text-align: center;
         margin: 6px 0;
    }
     #analyzeTable thead input, #analyzeTable thead select, #analyzeTable_wrapper input, #analyzeTable_wrapper select {
         font-size: 16px;
         min-width: 90px;
    }
     .showVars label {
         display: inline-block;
         margin: 4px 12px 4px 0;
    }
     .btnDownload, .btnDownload:hover {
         padding: 10px 14px;
    }
     .footerBox {
         padding: 12px 14px;
    }
     .logos {
         gap: 12px 30px;
    }
     .logos img {
         height: 40px;
    }
}