* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
  
  .visuallyhidden {
    position: absolute;
    z-index: -1;
    right: 0;
    opacity: 0;
    
  }
  
  .container {
    overflow: hidden;
    padding: 20px;
    margin-top: 2em;
  }
  
  .card {
    --bs-card-border-width: black !important;
  }
  .card-carousel {
    --card-width: 100%;
    --card-max-width: 450px;
    --card-height: 450px;
    --carousel-min-width: 600px;
    z-index: 1;
    position: relative;
    margin: 0 auto;
    width: 100%;
    height: var(--card-height);
    min-width: var(--carousel-min-width);
    transition: filter .3s ease;
  }
  
  @media screen and (max-width: 640px) {
    .card-carousel {
      margin-left: calc((100vw - var(--carousel-min-width) - 40px) / 2);
      --card-max-width: 280px;
      --card-height: 350px;
    }
  }
  
  .card-carousel.smooth-return {
    transition: all .2s ease;
  }
  
  .card-carousel .card {
    background: whitesmoke;
    width: var(--card-width);
    max-width: var(--card-max-width);
    text-align: center;
    padding: 1em;
    min-width: 250px;
    height: var(--card-height);
    position: absolute;
    margin: 0 auto;
    color: rgba(0,0,0,.5);
    transition: inherit;
    -webkit-box-shadow: 0px 5px 5px 0px rgba(0,0,0,0.3);
    -moz-box-shadow: 0px 5px 5px 0px rgba(0,0,0,0.3);
    box-shadow: 0px 5px 5px 0px rgba(0,0,0,0.3);
    border-radius: 1em;
    filter: brightness(.9);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
  }
  
  .card.highlight {
    filter: brightness(1)
  }
  
  
  .card:nth-of-type(1) .image-container {
    background-image: url("https://www.w3schools.com/w3css/img_lights.jpg")
  }
   
  .card:nth-of-type(2) .image-container {
    background-image: url("https://www.w3schools.com/w3css/img_lights.jpg")
  }
  
  .card:nth-of-type(3) .image-container {
    background-image: url("https://images.pexels.com/photos/414612/pexels-photo-414612.jpeg?auto=compress&cs=tinysrgb&dpr=1&w=500")
  }
  .card:nth-of-type(4) .image-container {
    background-image: url("https://images.pexels.com/photos/67636/rose-blue-flower-rose-blooms-67636.jpeg?auto=compress&cs=tinysrgb&dpr=1&w=500")
  }
  .card:nth-of-type(5) .image-container {
    background-image: url("https://helpx.adobe.com/content/dam/help/en/stock/how-to/visual-reverse-image-search/jcr_content/main-pars/image/visual-reverse-image-search-v2_intro.jpg")
  }
  .card:nth-of-type(6) .image-container {
    background-image: url("https://helpx.adobe.com/content/dam/help/en/stock/how-to/visual-reverse-image-search/jcr_content/main-pars/image/visual-reverse-image-search-v2_intro.jpg")
  }
  
  
  .image-container {
    width: 8em;
    height: 8em;
    position: relative;
    background-size: cover;
    margin-bottom: 2em;
    border-radius: 100%;
    padding: 1em;
    -webkit-box-shadow: inset 0px 0px 17px 0px rgba(0,0,0,0.3);
  -moz-box-shadow: inset 0px 0px 17px 0px rgba(0,0,0,0.3);
  box-shadow: inset 0px 0px 17px 0px rgba(0,0,0,0.3);
    
  }