body {
    font-family: Arial, sans-serif;
    background: #222;
    color: white;
    text-align: center;
  }
  
  #board {
    display: grid;
    grid-template-columns: repeat(7, 60px);
    grid-template-rows: repeat(6, 60px);
    gap: 5px;
    justify-content: center;
    margin-top: 20px;
  }
  
  .cell {
    width: 60px;
    height: 60px;
    background: #444;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
  }
  
  .red {
    background-color: red;
  }
  
  .yellow {
    background-color: yellow;
  }
  

  #resetBtn {
    margin-top: 20px;
    padding: 10px 20px;
    font-size: 16px;
    cursor: pointer;
  }