@font-face {
  font-family: "Open Sans";
  src: url("../webfonts/OpenSans/OpenSans-Regular.ttf") format("truetype");
}
@font-face {
  font-family: "Open Sans Semibold";
  src: url("../webfonts/OpenSans/OpenSans-Semibold.ttf") format("truetype");
}
@font-face {
  font-family: "Open Sans Bold";
  src: url("../webfonts/OpenSans/OpenSans-Bold.ttf") format("truetype");
}
@font-face {
  font-family: "Ubuntu";
  src: url("../webfonts/Ubuntu/Ubuntu-Regular.ttf") format("truetype");
}
@font-face {
  font-family: "Ubuntu Bold";
  src: url("../webfonts/Ubuntu/Ubuntu-Bold.ttf") format("truetype");
}
html {
  font-size: 10px;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
  font-family: Arial;
  -webkit-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
}
* {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}
html,
body {
  min-width: 970px !important;
  min-height: 100%;
  height: 100% !important;
  width: 100%;
}
body {
  display: table;
  margin: 0;
  font-family: Arial;
  font-size: 14px;
  line-height: 1.42857143;
  color: #333;
  background-color: #fff;
}
sup {
  line-height: 0;
}
h1,
h2,
h3,
h4,
h5,
h6,
.h1,
.h2,
.h3,
.h4,
.h5,
.h6 {
  font-family: inherit;
  font-weight: 500;
  line-height: 1.1;
  color: inherit;
}
.section {
  padding-top: 25px;
}
.section-920 {
  max-width: 920px;
  width: 920px;
  margin: 0 auto;
}
.section-960 {
  max-width: 960px;
  width: 960px;
  margin: 0 auto;
}
.section-r-title,
.section-l-title {
  vertical-align: middle;
  display: table-cell;
}
.section-l-title {
  text-align: left;
}
.section-r-title {
  top: 1px;
  position: relative;
  text-align: right;
  width: 170px;
}
.section-title-container {
  display: table;
  width: 100%;
}
.section-l-title h1 {
  font-size: 30px;
}
.title-button {
  display: table;
  clear: both;
  width: 100%;
}
.section-indicator li:first-of-type {
  margin-left: 2px;
}
.section-title {
  font-size: 24px;
  font-weight: 500;
}
.page-container {
  margin: 0 auto;
}
.page-container:before,
.page-container:after,
.page-row:before,
.page-row:after,
.section:before,
.section:after,
.section-content:before,
.section-content:after {
  display: table;
  content: " ";
  clear: both;
}
.media_content {
  color: #000;
  line-height: 30px;
  font-size: 18px;
  font-family: "Open Sans Bold";
}
.media_content p {
  margin: 0 0 5px;
}
.nav-menu-content {
  display: table;
  width: 100%;
  height: 100%;
}
.menu {
  margin: 0;
  padding: 0;
  width: 100%;
  display: table-cell;
  vertical-align: bottom;
}
.hide-banner .menu {
  vertical-align: top;
}
.menu-item {
  display: inline-block;
  height: 70px;
  border: 1px solid white;
  border-top: 2px solid white;
  max-width: 156.828px;
  float: left;
}
.menu-item a {
  font-size: 18px;
  line-height: normal;
  text-decoration: none;
  color: black;
  padding: 10px 15px 0 15px;
  float: left;
  height: 100%;
  width: 100%;
  cursor: pointer;
  line-height: 19px;
}
.menu-item:first-of-type {
  background-color: #afcc00;
}
.color-white {
  color: hsl(0, 0%, 100%) !important;
}
.menu-item.active {
  background-color: #00acc2 !important;
  padding-bottom: 10px !important;
}
.menu-item.active a {
  background-color: #fae448 !important;
  color: black !important;
}
.hide-banner .nav-menu-content {
  height: calc(100% - 35px);
}
.note-btn {
  padding: 16px 0 6px 0;
  line-height: 0;
  color: black;
  font-weight: 400;
  font-size: 13px;
  text-decoration: none !important;
  cursor: pointer;
  display: inline-table;
  height: 35px;
  width: 82px;
  text-align: center;
  border: 2px solid #b6bdc6;
  border-radius: 4px;
  cursor: pointer;
}
.note-btn:hover {
  color: black;
}
.note-btn:hover,
.menu-item a:hover {
  opacity: 0.8;
}
.full-btn,
.mini-btn {
  margin-left: 19px;
  cursor: pointer;
}
.mini-btn {
  display: none;
}
.nav-menu {
  max-width: 920px;
  width: 920px;
  margin: auto;
  height: 100%;
  position: relative;
}
.banner {
  width: 960px;
  margin: auto;
  height: 319px;
  background-repeat: no-repeat;
  background-position: top center;
  background-size: contain;
  position: relative;
  display: table;
  text-align: right;
}
.banner.banner-gray {
  height: auto;
  min-height: 240px;
}
.hidden-banner .banner.banner-gray {
  height: auto !important;
  width: 920px;
}
.gray {
  background-color: rgb(121, 121, 121);
}
#header-gray {
  background-color: #464654;
  width: 100%;
  padding-bottom: 5px;
  box-shadow: 0 0 10px 0 rgba(0, 0, 0, 0.5);
}
.lgray {
  background-color: rgb(214, 214, 214);
}
#page-title,
#mobile-nav-menu-page-title {
  color: #fff;
  text-align: left;
  line-height: 50px;
  font-size: 36px;
  font-family: "Ubuntu";
  max-width: 800px;
  max-height: 150px;
  overflow: hidden;
  margin: 0;
}
.menu-item-type {
  display: inline-block;
  padding: 0;
  width: 84%;
  min-height: 1px;
}
.menu-item-type .item-type-li {
  width: calc(100% / 6);
  float: left;
  text-align: center;
  max-width: none;
  list-style: none;
  position: relative;
  min-height: 1px;
}
.menu-type {
  padding-left: 0;
  display: table;
  width: calc(100% + 2px);
  height: 100%;
}
.menu-type .menu-type-item {
  display: table;
  height: 100%;
  vertical-align: middle;
  position: relative;
}
.menu-gray {
  vertical-align: top;
}
.menu-gray .menu-item,
.menu-gray .menu-type-item {
  border: none;
  cursor: pointer;
}
.menu-gray > .menu-item:first-of-type {
  display: table;
  width: 16%;
  min-height: 1px;
}
.menu-item-type,
.menu-gray > .menu-item:first-of-type {
  float: left;
  position: relative;
  height: 42px;
}
.menu-gray > .menu-item:first-of-type > span {
  float: none;
  display: table-cell;
  vertical-align: middle;
  text-align: center;
  font-size: 16px;
  font-family: "Open Sans Bold";
  text-transform: uppercase;
  color: #000;
}
.menu-gray .menu-item .sub-menu-gray,
.menu-gray .menu-type-item .sub-menu-type-gray {
  position: absolute;
  left: 0;
  top: 100%;
  width: 180%;
  margin-top: 0;
  padding: 0;
}
.menu-gray .menu-item .sub-menu-gray {
  background-color: #f2ff99;
}
.menu-gray .menu-item .sub-menu-gray li,
.menu-gray .menu-type-item .sub-menu-type-gray li {
  list-style: none;
  height: auto;
  max-height: 60px;
  display: table;
  width: 100%;
  color: rgb(121, 121, 121);
  box-sizing: border-box;
}
.menu-gray .menu-type-item .sub-menu-type-gray {
  left: 0;
  text-align: left;
  float: left;
}
.menu-gray .menu-item .sub-menu-gray li:last-of-type,
.menu-gray .menu-type-item .sub-menu-type-gray li:last-of-type {
  border-bottom: none;
}
.menu-gray .menu-item .sub-menu-gray li div {
  padding: 0;
  width: 100%;
  clear: both;
  font-size: 14px;
}
.item-type {
  height: 100%;
}
.item-type-li a {
  padding: 10px 0 0 0;
}
.item-type span {
  color: rgb(121, 121, 121);
  font-size: 14px;
  margin-left: 10px;
}
#header-gray .nav-menu-content {
  position: relative;
}
.section-title {
  padding: 6.5px 0;
}
.full-w {
  width: 100% !important;
}
.dis-table {
  display: table !important;
}
.dis-block {
  display: block !important;
}
.dis-table-cell {
  display: table-cell !important;
}
.dis-table-row {
  display: table-row !important;
}
.dis-table-row {
  display: table-row !important;
}
.v-align-mid {
  vertical-align: middle !important;
}
.v-align-bot {
  vertical-align: bottom !important;
}
.page-row-gray .section {
  padding-top: 30px;
}
.page-row-gray .full-row-title-bar .section-title {
  margin: 0;
  font-family: "Open Sans Bold";
  font-size: 18px;
  text-transform: uppercase;
}
.page-row-gray .full-row-title-bar .section-title span {
  font-weight: normal;
  font-family: "Open Sans";
}
.page-row-gray .page-row {
  padding-top: 0;
  background-color: #e5e5e3;
  margin-top: 62px;
  padding-bottom: 15px;
}
.sub-menu-gray li a,
.sub-menu-type-gray li a {
  font-size: inherit;
  line-height: inherit;
  padding: 0;
  float: none;
  padding: 8px 8px 5px;
}
.widget-area {
  width: 100%;
  height: 420px;
}
.menu-type-item a {
  font-size: 16px;
  line-height: normal;
  text-decoration: none;
  color: black;
  padding: 0 15px 0 15px;
  height: 100%;
  width: 100%;
  cursor: pointer;
  line-height: 19px;
  display: table-cell;
  vertical-align: middle;
  font-family: "Open Sans Bold";
}
.nav-menu .menu .sec_name {
  font-family: "Open Sans Bold";
}
.nav-menu .menu .sec_title {
  font-family: "Open Sans";
}
.nav-menu .menu .sec_name,
.nav-menu .menu .sec_title {
  font-size: 14px;
  font-weight: normal;
}
.menu-type-item > a {
  text-transform: uppercase;
}
.section-l-title h1,
h1.media_title {
  font-size: 30px;
}
.title-button {
  display: table;
  clear: both;
  width: 100%;
}
.nav-menu-content {
  z-index: 9;
}
.lgreen {
  background-color: #81c298;
}
.hover-blue {
  background-color: #4ba4c6 !important;
}
.menu-gray .menu-item .sub-menu-gray li.hover {
  background-color: #dcff00 !important;
}
span.gryblue,
.menu-gray a.hover-orange {
  color: white;
}
.lblue,
.menu-gray .menu-type-item .sub-menu-type-gray li.hover {
  background-color: #7bc1d9;
}
.sub-menu-type-gray.lblue {
  background-color: #afe2f4;
}
.sub-menu-type-gray.hover-blue {
  background-color: #7bc1d9;
}
.mini-modal {
  position: absolute;
  z-index: 1;
  text-align: left;
  right: 0;
}
.mini-modal span {
  position: absolute;
  width: 181px;
  padding: 10px 20px;
  border-radius: 8px;
  background-color: #434a54;
  color: white;
  top: 10px;
  right: 100%;
}
.mini-modal img {
  top: -10px;
  position: absolute;
  right: 26px;
}
.note-btn-esc {
  padding: 0;
  height: 22px;
  line-height: inherit;
  border-radius: 8px;
}
.footer-multimedia {
  text-align: right;
  display: table-footer-group;
  vertical-align: baseline;
}
.footer-multimedia > div {
  padding: 20px 0 19px;
}
.back-btn {
  border: none;
  color: transparent;
  margin-top: 30px;
  position: relative;
  text-align: right;
  font-size: 12px;
}
.no-padd {
  padding: 0 !important;
}
.no-padd-l {
  padding-left: 0 !important;
}
.no-padd-r {
  padding-right: 0 !important;
}
.no-padd {
  padding: 0 !important;
}
.no-padd-l {
  padding-left: 0 !important;
}
.no-padd-r {
  padding-right: 0 !important;
}
.padd-bot-3 {
  padding-bottom: 3px !important;
}
.marg-t-12px {
  margin-top: 12px;
}
.marg-t-6px {
  margin-top: 6px;
}
.marg-b-6px {
  margin-bottom: 6px;
}
.marg-b-7px {
  margin-bottom: 7px;
}
.no-marg-t {
  margin-top: 0 !important;
}
.font-bold {
  font-weight: bold;
}
.font-size-20px {
  font-size: 20px;
}
.color-w {
  color: white;
}
.color-orgn {
  color: #e55630;
}
.bg-color-black .note-btn {
  color: white !important;
}
.bg-color-black {
  background-color: #2d3538 !important;
  color: white !important;
}
.bg-color-white {
  background-color: white !important;
}
.hide-me {
  display: none;
  color: white;
  font-weight: 900;
  margin: 20px 0;
}
.hidden {
  display: none;
}
.jw-icon:before {
  font-family: jw-icons;
  line-height: inherit;
}
.jw-tab-focus:focus {
  outline: none !important;
}
#section-2 .desc,
#section-5 .desc {
  font-size: 22px;
}
.section-desc {
  font-size: 24px;
  margin: 0;
  margin-bottom: 0;
  font-family: "Ubuntu Bold";
  color: #1981a9;
}
.section-desc p {
  margin: 0;
}
ul.section-desc li {
  margin-bottom: 3px;
}
.col-2 .video-area {
  float: right;
}
.section-title-desc h3:first-of-type {
  margin-top: 10px;
  margin-bottom: 0;
}
.section-title-desc h3:last-of-type {
  margin-bottom: 10px;
  margin-top: 6px;
}
.fixed-me .nav-container {
  min-height: 0;
}
.hidden-banner .banner-gray {
  padding-bottom: inherit;
}
.hidden-banner #page-title {
  margin-top: 0;
  margin-bottom: 0;
  font-size: 22px;
  text-transform: uppercase;
  display: block;
  max-height: 45px;
  font-family: "Open Sans Semibold";
  font-weight: normal;
}
.hidden-banner .nav-container {
  padding-top: 8px;
  background-color: #e1e8ee;
}
.scroll-down .page-container {
  margin-top: 182px;
}
.scroll-down .page-container.no-menu {
  margin-top: 170px;
}
.widget-border,
.geogebra_container {
  border: 3px solid #e1e8ee;
}
.widget-no-border {
  border: none;
}
.sub-menu-gray > li > a,
.sub-menu-type-gray > li > a {
  display: table-cell;
  vertical-align: middle;
}
.sec_name,
.sec_title {
  line-height: normal;
  font-size: 14px;
}
.header-content {
  max-height: 217px;
}
.annee-6,
.annee-5,
.demo-annee-5,
.demo-annee-6 {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.annee-4 .nav-container.nav-empty,
.annee-3 .nav-container.nav-empty,
.annee-5 .nav-container.nav-empty,
.annee-6 .nav-container.nav-empty,
.demo-annee-4 .nav-container.nav-empty,
.demo-annee-3 .nav-container.nav-empty,
.demo-annee-5 .nav-container.nav-empty,
.demo-annee-6 .nav-container.nav-empty {
  background-size: auto 250%;
  padding-top: 40px;
  min-height: 0;
  height: 0;
}
#header-gray.fixed-me {
  position: fixed;
  z-index: 99;
  top: 0;
  display: block;
  max-height: 102px;
  background-color: #464654;
}
.fixed-me .banner-gray {
  min-height: 0;
}
.unite-color {
  background-color: #dcff00;
}
.gryblue {
  background-color: #afcc00;
}
.full-row-title-bar {
  color: white;
}
.full-row-title-bar,
.footer-multimedia,
.footer-multimedia .scroll-to-top .arrow-up {
  background-color: #464654;
}
.arrow-left {
  height: 20px;
  width: 20px;
}
.scroll-to-top .arrow-up {
  border: 5px white solid;
  border-radius: 50%;
  color: white;
  padding: 5px;
  background-repeat: no-repeat;
  background-position: center;
  height: 64px;
  width: 64px;
  display: inline-block;
}
.section-content .col-2 .video-area .jwplayer,
.section-content .video-area,
.section-content > .video-area > .jwplayer {
  max-width: 100%;
}
.col-1 {
  width: 320px;
  padding-right: 15px;
}
.col-2 {
  width: 620px;
  padding-left: 15px;
}
.col-2,
.col-1 {
  float: left;
  position: relative;
}
iframe {
  overflow: hidden;
}
.header-btn {
  min-width: 135px;
}
.home-btn {
  margin-left: 20px;
}
.next-btn {
  margin-left: 10px;
}
.transition #page-title {
  -webkit-transition: all 0.4s cubic-bezier(0.18, 0.89, 0.32, 1.28);
  -moz-transition: all 0.4s cubic-bezier(0.18, 0.89, 0.32, 1.28);
  -o-transition: all 0.4s cubic-bezier(0.18, 0.89, 0.32, 1.28);
  transition: all 0.4s cubic-bezier(0.18, 0.89, 0.32, 1.28);
}
.fixed-me .transition #page-title {
  -webkit-transition: all 0.4s cubic-bezier(0.22, 0.61, 0.36, 1);
  -moz-transition: all 0.4s cubic-bezier(0.22, 0.61, 0.36, 1);
  -o-transition: all 0.4s cubic-bezier(0.22, 0.61, 0.36, 1);
  transition: all 0.4s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.sound-area {
  display: table;
  width: 100%;
}
.sound-img-area {
  height: 142px;
  width: 156px;
  overflow: hidden;
  margin: 10px 0 0 30px;
}
.sound-img-area img {
  height: 100%;
  width: auto;
  position: relative;
}
.sound-content-area {
  display: table-cell;
  vertical-align: middle;
}
.audio-title {
  margin: 0 0 5px 0;
}
.banner-gray-img-container {
  width: 300px;
  height: 300px;
  float: left;
  overflow: hidden;
  vertical-align: top;
}
.banner-gray-img-container img {
  min-width: 100%;
  min-height: 100%;
  height: 100%;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  position: relative;
}
.banner-gray-text-container {
  float: left;
  width: 640px;
  vertical-align: top;
  padding-top: 20px;
  padding-left: 20px;
}
.hidden-banner .banner-gray-img-container {
  display: none;
}
.hidden-banner .banner-gray-text-container {
  width: 100%;
  padding-left: 0;
  padding-top: 10px;
}
.header-content.hidden-banner {
  max-height: 100px;
  height: auto;
  overflow: hidden;
}
.hidden-banner .header-btn {
  display: inline-table;
  float: right;
  padding-top: 13px;
}
.media-tabs .media-tabs-titles {
  width: 100%;
  padding: 0;
  list-style: none;
  margin: 0;
  display: table;
}
.media-tabs .media-tabs-titles li {
  width: 33.333333%;
  float: left;
  background-color: #7bc1d9;
  font-family: "Open Sans Bold";
  text-align: center;
  font-size: 14px;
  color: #000;
  cursor: pointer;
  text-transform: uppercase;
  padding: 4px 0;
}
.media-tabs .media-tabs-content .media-tabs-content-text,
.media-tabs .media-tabs-content .media-tabs-content-item p {
  font-family: "Open Sans";
  font-size: 16px;
  color: #000;
  margin-top: 0;
}
.media-tabs-content-text-item,
.media-tabs-content-text-item-alternative,
.media-text-container p {
  font-family: "Open Sans";
  font-size: 16px;
  color: #000;
}
.media-tabs-content-text-item b,
.media-tabs-content-text-item strong,
.media-tabs-content-text-item-alternative b,
.media-tabs-content-text-item-alternative strong {
  font-family: "Open Sans Bold";
}
.media-tabs .media-tabs-content .media-tabs-content-item p {
  margin-bottom: 0;
}
.media-tabs .media-tabs-content .media-tabs-content-item {
  display: none;
}
.media-tabs .media-tabs-content .media-tabs-content-item.tab-item-actived {
  display: block;
  padding: 20px 10px 0px 10px;
}
.media-tabs {
  background-color: #fff;
}
.media-tabs .media-tabs-titles li.tab-actived {
  background-color: #fff;
}
.media-container {
  margin-bottom: 20px;
}
.media-container.video-area > div {
  margin: auto;
}
.media-tab-medias-item {
  padding: 20px 10px 0 10px;
  line-height: 0;
}
.media-tab-medias-item > div:last-of-type {
  display: inline-block;
  width: 100%;
}
.btn-tab {
  text-align: right;
  margin-bottom: 10px;
}
.btn-show,
.btn-hide {
  padding: 1.5px 15px;
  margin-right: 10px;
  line-height: 0;
  color: black;
  font-weight: 400;
  font-size: 12px;
  text-decoration: none !important;
  text-align: center;
  border: 2px solid #b6bdc6;
  border-radius: 4px;
  cursor: pointer;
  display: inline;
  position: relative;
}
.media-tabs-content-text-item-alternative,
.btn-hide,
.mobile-nav-menu {
  display: none;
}
.geogebra_container {
  text-align: center;
  overflow: hidden;
}
.geogebra_container img {
  max-width: 100%;
}
.mobile-tab-menu,
.mobile-view {
  display: none;
}
.media-text-container p {
  line-height: normal;
}
.media-text-container {
  overflow: auto;
}
.media-text-container.widget-border {
  padding: 5px 10px 9px 10px;
}
.media-text-container p:first-of-type {
  margin-top: 0;
}
.media-text-container p:last-of-type {
  margin-bottom: 0;
}
@media only screen and (max-width: 1023px) {
  .geogebra_container img {
    height: auto !important;
  }
}
@media only screen and (min-width: 768px) and (max-width: 1023px) {
  html,
  body {
    min-width: 0 !important;
    width: 100%;
  }
  .section-960,
  .banner {
    max-width: 768px;
    width: 100%;
  }
  .section-920,
  .nav-menu,
  .hidden-banner .banner.banner-gray {
    max-width: 728px;
    width: 100%;
  }
  .banner-gray-text-container {
    width: 448px;
  }
  .sound-content-area .jwplayer {
    width: auto !important;
  }
}
@media only screen and (min-width: 768px) and (max-width: 1024px) {
  .menu-gray .menu-type-item:nth-of-type(5) .sub-menu-type-gray,
  .menu-gray .menu-type-item:nth-of-type(6) .sub-menu-type-gray {
    left: auto;
    right: 0;
  }
  .menu-gray .menu-item .sub-menu-gray,
  .menu-gray .menu-type-item .sub-menu-type-gray {
    width: 300px;
  }
  .nav-menu .menu-gray.menu .sec_name,
  .nav-menu .menu .sec_title {
    font-size: 12px;
  }
}
@media only screen and (min-width: 320px) and (max-width: 767px) {
  .mobile-view-img {
    height: 240px;
  }
  .mobile-view-img img {
    min-width: 100%;
    min-height: 100%;
    max-width: 150%;
    max-height: 150%;
    top: 50%;
    transform: translate(-50%, -50%);
    position: absolute;
    left: 50%;
  }
}
@media only screen and (max-width: 767px) {
  html,
  body {
    min-width: 0 !important;
  }
  .section-960,
  .banner,
  .section-920,
  .hidden-banner .banner.banner-gray,
  .banner-gray-text-container,
  .media-container,
  .mobile-nav-menu-header {
    max-width: 100%;
    width: 100%;
  }
  .section-920 {
    padding: 0 20px;
  }
  .sound-content-area .jwplayer {
    width: auto !important;
  }
  .mobile-menu .burger {
    height: 40px;
    width: 40px;
    cursor: pointer;
  }
  .toggled-btn.minus,
  .toggled-btn.plus {
    height: 20px;
    width: 20px;
  }
  .main-menu-tablet,
  .menu-tablet {
    margin-bottom: 7px;
  }
  .nav-container,
  .banner-gray-img-container,
  .media-tabs .media-tabs-titles,
  .menu-tab-collapse .toggled-btn.minus,
  .menu-tab-expand .toggled-btn.plus,
  .banner-gray-text-container .header-btn,
  .media-tabs .media-tabs-content .media-tabs-content-item.tab-item-actived {
    display: none;
  }
  .sound-content-area,
  .menu-tab-expand .toggled-btn.minus,
  .menu-tab-collapse .toggled-btn.plus,
  .mobile-view,
  .mobile-menu .burger {
    display: block;
  }
  .sound-img-area {
    margin: 10px 30px 0 auto;
  }
  .mobile-tab-menu {
    display: block;
  }
  .mobile-tab-menu-item {
    padding: 10px;
    font-family: "Open Sans Bold";
    text-transform: uppercase;
    font-size: 14px;
    color: #000;
    display: block;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
  }
  .media-tabs-content-text-item,
  .media-tabs-content-text-item-alternative,
  .media-tabs .media-tabs-content .media-tabs-content-text,
  .media-tabs .media-tabs-content .media-tabs-content-item p {
    font-size: 14px;
  }
  .page-row-gray .full-row-title-bar .section-title,
  .media_content {
    font-size: 16px;
  }
  .section-desc {
    font-size: 18px;
  }
  .media-tabs .media-tabs-content .media-tabs-content-item,
  .media-tabs .media-tabs-content .media-tabs-content-item.tab-item-actived {
    padding: 20px 10px;
  }
  .mobile-tab-menu {
    cursor: pointer;
  }
  .toggled-btn {
    vertical-align: middle;
    float: right;
  }
  .media-tabs {
    background: none;
  }
  .media-tabs-content {
    background-color: #fff;
  }
  .media-tab-medias-item {
    margin-top: 10px;
    padding: 0;
  }
  .media-container {
    margin-bottom: 10px;
  }
  #header-gray {
    z-index: 99;
    top: 0;
    display: table;
    max-height: 102px;
    padding: 0;
  }
  #header-gray #page-title,
  #mobile-nav-menu-page-title {
    margin-top: 0;
    margin-bottom: 0;
    font-size: 20px;
    max-width: calc(100% - 60px);
    width: 100%;
    padding: 0 0 0 20px;
    text-transform: uppercase;
    display: table-cell;
    line-height: normal;
    font-family: "Open Sans Semibold";
    font-weight: normal;
    vertical-align: middle;
  }
  #header-gray .header-content {
    max-height: none;
    height: auto;
    overflow: hidden;
  }
  .banner.banner-gray {
    height: auto !important;
    min-height: 0;
  }
  #header-gray .banner-gray-text-container,
  .mobile-nav-menu-header {
    width: 100%;
    padding-left: 0;
    padding-top: 0;
    float: none;
    display: table;
    background-color: #464654;
  }
  .mobile-menu {
    width: 40px;
    display: table-cell;
    vertical-align: middle;
    padding-right: 13px;
  }
  .mobile-view-img {
    width: 100%;
    position: relative;
    overflow: hidden;
    line-height: 0;
  }
  .mobile-view-img img {
    width: 100%;
    height: auto;
    max-height: none;
  }
  .scroll-down .page-container {
    margin-top: 0;
  }
  .page-row-gray .section {
    padding-top: 20px;
  }
  .page-row-gray .page-row {
    margin-top: 20px;
  }
  .opened-mobile-menu {
    overflow: hidden;
  }
  .opened-mobile-menu .mobile-nav-menu {
    z-index: 99;
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    background-color: #fff;
    overflow-y: auto;
    overflow-x: hidden;
  }
  .footer-multimedia > div {
    padding-right: 20px;
    padding-left: 20px;
  }
  .scroll-to-top .arrow-up {
    height: 38px;
    width: 38px;
    border: 3px white solid;
  }
  .home-btn {
    margin-left: 10px;
  }
  .mobile-nav-menu .header-btn {
    text-align: right;
    padding: 20px;
  }
  .mobile-nav-menu .mobile-tab-menu-item {
    font-size: 18px;
    padding: 5px 20px 5px 25px;
  }
  .mobile-tab-menu-item.menu-item-green {
    color: #afcc00;
    min-height: 35px;
  }
  .mobile-tab-menu-item.menu-item-blue {
    color: #1981a9;
  }
  .mobile-nav-menu .media-tabs-content-item {
    padding: 0 20px 0 50px;
    display: none;
  }
  .mobile-nav-menu .media-tabs-content-item ul {
    padding: 0;
    list-style: none;
    margin: 0;
  }
  .mobile-nav-menu .mobile-menu-nav-item {
    font-family: "Open Sans";
    font-size: 14px;
    color: #464654;
    text-decoration: none;
  }
  .mobile-nav-menu .mobile-menu-nav-item span {
    font-family: "Open Sans Bold";
  }
  #header-gray.fixed-me .banner-gray-text-container {
    position: fixed;
    z-index: 999;
  }
  #header-gray.fixed-me {
    position: relative;
    display: table;
  }
  iframe {
    width: 1px;
    min-width: 100%;
    *width: 100%;
  }
  .geogebra_container {
    height: auto !important;
  }
}
@media only screen and (max-width: 677px) {
  .video-area .jwplayer {
    width: auto !important;
  }
}