div.widget-diaporama .carousel-item {
  background-position: center;
  background-size: cover;
}

div.widget-diaporama-video {
  overflow: hidden;
}

  div.widget-diaporama-video video {
    height: auto;
    left: 50%;
    max-width: 1000%;
    min-width: 100vw;
    position: fixed;
    width: auto;
    min-height: 100%;
    padding-bottom: 1px;
    top: 50%;
    transform: translateX(-50%) translateY(-50%);
    z-index: -1;
  }


  div.widget-diaporama-video iframe {
    height: 2500px;
    left: 50%;
    padding-bottom: 1px;
    position: fixed;
    top: 40%;
    transform: translateX(-50%) translateY(-50%);
    width: 2500px;
    z-index: -1;
  }