@media (max-width: 767px) {
  div.header-item {
    height: 120px;
  }

  .row {
    display:flex;
  }

  .textcolumn{
      display: block;
  }
  
  div.image-container5 {
      flex: 0 0 100%;
      margin: 10px;
  }

  .lead_div{
    position:initial;
  }

  div.contents {
    width: 90vw;
  }

  .overlay-image {
    height: 200px;
  }

  .overlay-image img,
  .top-image img {
    width: 100%;
    height: 200px;
  }

  .top-image {
    height: 150px;
    width: 150px;
  }

  .container-header {
    width: 100%;
    height: 200px;
  }

  .index_div {
    display:none;
  }

  .header-height{
    height:120px;
  }

  .center {
    width:75px;
    height:60px;
    display: block;
    margin-left: auto;
    margin-right: auto;
    margin-top: 60px;
    position: absolute;
    left: 50%;
    transform: translate(-50%, -50%);
  }

  .youtube-img{
    width: 310px;
    height: 174px;
  }

  .pdf-adjust{
    height:200px;
  }
  
  .circle-img{
    width:100px;
    height:100px;
    margin-right:20px;
  }

  .circle-small-img{
    width:70px;
    height:70px;
    margin-right:20px;
  }

  table {
    max-width:90vw;
    text-indent: initial;
    font-size: 8px;
  }

  div.clickbutton-text{
    font-size: 12px;
  }

  .circle-logo{
    display:none;
  }

  .text-footer{
    margin-left:15px;
  }

  .supervisors2{
    margin-bottom:40px;
  }

  .col-xs-6{
    width:50%;
  }

  .projdes{
    width:100vw;
  }

  .noflex{
    display:flex-end;
  }

  .linkedin-right{
    align-items: flex-start;
  }

  .linkedin-left{
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    margin:0;
    padding:0;
  }

  .margin-team{
    padding-left:20px;
    padding-right:20px;
  }

  .enlarged-image{
    width:100vw;
  }

  .enlarged-image-pd-height{
    height:80vh;
  }

  div.panelblue{
    padding:0;
  }

  .video{
   width:280px;
   height:157px;
  }

  .enlarged-image-pd-width{
    height:100vh;
  }

  #back-to-top-btn { font-size: 18px; width: 32px; height: 32px; bottom: 6px; right: 6px; }

}

@media (max-width: 1000px) {
  .circle-logo{
    display:none;
  }

  #back-to-top-btn { font-size: 22px; width: 40px; height: 40px; bottom: 15px; right: 15px; }

  .index_div {
    display:none;
  }

  .image-line{
    display: none;
  }

  .box-canvas h4{
    font-size: 12px;
  }

  .box-canvas p{
    font-size: 8px;
  }

  .box-canvas1 h4{
    font-size: 12px;
  }

  .box-canvas1 {
    height: 420px;
  }

  .clickbutton-text{
    font-size: 18px;
  }

  .box-canvas1 li{
    font-size: 8px;
  }

  .margin-logo{
    margin-bottom:30px;
  }

  .team-member img{
    margin-bottom:20px;
    height:120px;
    width:120px;
  }

  .container-team{
    margin-bottom:40px;
  }

  .details-right{
    text-align:left;
  }

  .details{
    text-align:right;
  }

  .colouring-page{
    margin-bottom:30px;
  }

  .picto {
    margin-left:5px;
  }

  .ag-timeline-card_img{
    width:50%;
    display:block;
    margin:auto;
  }

  .column2{
    width:100%;
  }

}

@media (max-width: 575px) {
  .overlay-image {
    height: 200px;
  }

  .overlay-image img,
  .top-image img {
    width: 100%;
    height: 200px;
  }

  .top-image {
    height: 170px;
    width: 170px;
  }

  .container-header {
    width: 100%;
    height: 200px;
  }
  
  .index_div {
    display:none;
  }

  .rotate1 {
  animation: rotation 8s infinite linear;
  margin-bottom:20px;
  margin-top: 20px;
}

}

@media (min-width: 768px) {
  .embed-responsive-16by9 {
    width: 620px;
    height: 348px;
  }
}

@media (max-width: 1300px) {
  .image-line{
    display: none;
  }
}