body {
    font-family: Arial, sans-serif;
    text-align: center;
  }
  
  .board {
    display: inline-block;
    margin-top: 50px;
  }
  
  .board td {
    width: 80px;
    height: 80px;
    border: 1px solid #ccc;
    font-size: 40px;
    text-align: center;
    cursor: pointer;
  }
  
  .message {
    margin-top: 20px;
    font-weight: bold;
    font-size: 18px;
  }
  
  .playerX {
    color: darkgreen;
  }
  
  .playerO {
    color: red;
  }
  .restartGame{
    width: 30%;
    font-weight: bold;
    border-radius: 10%;
    background-color: blue;
    color: white;
    font-size: small;
    cursor: pointer;
  }