#board {
    background-color: #00BF55;
    margin: 5% auto;
    width: 500px;
    height: 500px;
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-start;
    border-radius: 10px
  }
  
  .empty {
    border: 3px solid black;
    width: 150px;
    height: 150px;
    background-color: #71FFB3;
    margin: 2px;
    gap: 5%;
  }
  
  .puzzle {
    position: relative;
    width: 150px;
    height: 150px;
    background-color: green;
    margin: auto;
    gap: 5%;
    border-radius: 10px
  }
  
  .puzzle p {
    position: absolute;
    z-index: 3;
    color: black;
    font-size: x-large;
    font-weight: bold;
    margin: auto;
  }
  
  .puzzle img {
    position: absolute;
    z-index: 1;
    object-fit: fill;
    width: 150px;
    height: 150px;
    margin: auto;
  }
  
  #counter {
    margin: 20px auto 0 auto;
    width: 20%;
    font-size:x-large; 
    padding: 5px;
    border: 2px solid #00BF55;
    background-color: #00BF55;
    color: #EDFFF5;
  }

  #slide_border {
    margin: 5% 0 0 10% ;
    width: 80%;
    height: 50%;
    font-size:x-large; 
    color: black;
    text-align: center;
  }
  @keyframes scaleAnimation {
    0% {
      transform: scale(1);
    }
    50% {
      transform: scale(0.5);
    }
    100% {
      transform: scale(1);
    }
  }

  .animated-image {
    animation: scaleAnimation 2s infinite;
  }