body {
    margin: 0;
    padding: 0;
    overflow: hidden;
  }
  
  .background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
  }
  
  .background video {
    object-fit: cover;
    width: 100%;
    height: 100%;
  }
  
  .objects {
    position: relative;
    width: 100vw;
    height: 100vh;
  }
  
  .objects img {
    position: absolute;
    width: auto;
    height: 50vw;
  }
  
  
  @keyframes shark-swim {
    0% {
      top: 20%;
      left: 10%;
    }
    50% {
      top: 60%;
      left: 80%;
    }
    100% {
      top: 20%;
      left: 10%;
    }
  }
  

  
  @keyframes fish-swim {
    0% {
      top: 50%;
      left: 20%;
    }
    50% {
      top: 30%;
      left: 70%;
    }
    100% {
      top: 50%;
      left: 20%;
    }
  }

  @keyframes seaplant-wave {
    0% {
      transform: rotate(-5deg);
    }
    50% {
      transform: rotate(5deg);
    }
    100% {
      transform: rotate(-5deg);
    }
  }
  


  .title {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #fff;
    font-family: sans-serif;
    font-size: 100px; }