#presentations {
    display:flex;
    flex-wrap:wrap;
    max-width: 960px;
    text-align:center;
    justify-content: center;
    margin: 20px auto 40px;
  }

  #presentations.presentations-three-col {
        max-width: 1400px;
  }

  .presentationAssets {
    padding: 0 15px 15px;
    display: flex;
    flex-direction:column;
    align-items: center;
    justify-content: center;
    margin: 7px;
    border-radius: 12px;
    box-shadow: 0 0 6px rgba(0,0,0,0.15);
    flex: 1 1 100%;
    background:#fff;
    overflow:hidden;
  }

  .presentationAssets h3,
  .presentationAssets h4 {
    line-height: 1.4;
    padding:10px;
    margin:0;
  }

  .presentationAssets>a {
    display:block;
    width: 100%;
  }

  .presentationAssets h3 {
    font-weight:bold;
    min-height: 7rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    margin: 0 -15px;
    padding: 10px 30px;
    background: #f0f3f9;
    width: calc(100% + 30px);
    align-self:flex-start;
    font-weight: normal;
    font-size: 1.3rem;
  }

  .presentationAssets h4 {
    font-size: 16px;
  }

  .presentationTitle {
    display:flex;
    min-height: 100%;
    align-content:stretch;
  }

  @media (min-width:640px) {
      .presentationAssets {
        flex: 1 1 calc(45% - 20px);
      }
  }

  @media (min-width:1200px) {
      .presentations-three-col .presentationAssets {
        flex: 1 1 calc(33% - 30px);
        margin: 15px;
        max-width: 440px;
      }
  }

  .presentationThumbs {
    display:flex;
    justify-content: space-around;
    max-width:416px;
    width: 100%;
    margin: 10px 0;
  }

  .presentationThumbs a {
    display: block;
    position: relative;
    text-align:center;
    flex: 1 1 50%;
    max-width: 50%;
    margin: 0 5px;
    font-size: 11px;
    box-sizing:border-box;
  }

    .presentationThumbs a div{
    border: 1px solid rgba(0,0,0,0.15);
  }

  .presentationThumbs img {
    width: 100%;
    height: auto;
    max-height: 177px;
    object-fit: contain;
  }

  .aspect16x9 { 
    position:relative;
    padding: 56.25% 0 0 0;
    overflow:hidden;
    margin: 0;
    box-sizing:border-box;
    width: 100%;
  }
  .aspect16x9 img {
    position:absolute;
    top:50%;
    left: 0;
    transform: translateY(-50%);
    object-fit: cover;
  }

  .presentationVideoThumb {
    position:relative;
    display:block;
  }

  .presentationVideoThumb:after {
    display:block;
    box-sizing:border-box;
    padding: 0;
    margin: 0;
    content:' ';
    color: #fff;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index:3;
    width: 60px;
    height: 60px;
    border: 2px solid rgba(255,255,255,0);
    border-radius: 30px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='38' height='44' viewBox='0 0 38 44'%3E%3Cpath id='Polygon_1' data-name='Polygon 1' d='M22,0,44,38H0Z' transform='translate(38) rotate(90)' fill='%23fff' opacity='0.75'/%3E%3C/svg%3E%0A") 57% center no-repeat transparent;
    background-size: auto 30px;
    filter:drop-shadow(3px 3px 3px rgba(0,0,0,0.2));
    transition: all 0.25s;
  }

    .presentationVideoThumb:hover:after {
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='38' height='44' viewBox='0 0 38 44'%3E%3Cpath id='Polygon_1' data-name='Polygon 1' d='M22,0,44,38H0Z' transform='translate(38) rotate(90)' fill='%23fff' opacity='0.9'/%3E%3C/svg%3E%0A") 57% center no-repeat transparent;
    background-size: auto 30px;
    filter:drop-shadow(3px 3px 6px rgba(0,0,0,0.3));
    border: 2px solid rgba(255,255,255,0.75);
    transition: all 0.25s;
  }

  .presenterLogos {
    margin-top: auto;
    min-height: 46px;
  }

.presenterLogos img {
    display:inline-block;
    width: 120px;
    height:  auto;
    max-width:120px;
    max-height: 32px;
    object-fit: contain;
    margin:5px;
    vertical-align: middle;
  }