.case {
    display: inline-block;
    position: relative;
    width: 400px;
    height: 300px;
    margin: 20px;
    overflow: hidden;
  }
  
  .case img {
    max-width: 100%;
    max-height: 100%;
    transition: transform 0.5s;
  }
  
  .case:hover img {
    transform: scale(1.2);
  }
  
  .case .description {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    color: #fff;
    padding: 10px;
    box-sizing: border-box;
    transition: bottom 0.5s;
  }
  
  .case h3 {
    margin-top: 0;
    margin-bottom: 10px;
  }

  .logo {
    width: 100px;
    height: 100px;
    display: block;
    margin: auto;
  }

  .presentation {
    width: 1300px;
    height: 700px;
    display: block;
    margin: auto;
  
  }

  h1 {
    color: black;
  }

  body {
    background-color: grey;
  }