#button-container {
  text-align: center;
  margin-top: 20px;
}

#symbolSquare {
    font-family: 'Courier New', monospace;
    font-size: 5px;
    white-space: pre;
    text-align: center;
    
    /* no gap between chars, vertical or horizontal */

  }


  
.message {
  max-width: 100%;
  font-family:'Courier New', Courier, monospace;
  padding: 10px;
  margin: 10px;
  text-align: center;
}