body{
    background-color: rgb(156, 180, 248);
}


.board {
    display: flex;
    justify-content: center;        /*Se pone en el centro de la pantalla*/
    align-items: center;
    flex-wrap: wrap;
    height: 100vh; 
  }
  
  .square {
    width: 100px;
    height: 100px;
    border: 2px solid black;
    box-shadow: 0px 0px 20px rgba(255, 217, 0, 0.658) inset, 0px 0px 25px rgba(0, 0, 255, 0.685);
    font-size: 72px;
    text-align: center;
    line-height: 100px;
    cursor: pointer;
  }