.number-container {
    user-select: none;
    margin-top:-20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 10px;
  }
  
  .number-display {
    width: 200px;
    height: 40px;
    margin-bottom: 10px;
    font-size: 24px;
    color: #333;
    background-color: #f1f1f1;
    border: none;
    border-radius: 5px;
    text-align: center;
    line-height: 40px;
  }
  
  .number-pad {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
  }
  
  .number-row {
    display: flex;
    flex-direction: row;
    justify-content: center;
    margin: 5px;
  }
  
  .number-button {
    width: 50px;
    height: 50px;
    margin: 5px;
    border: none;
    border-radius: 50%;
    font-size: 24px;
    color: #333;
    background-color: #f1f1f1;
    box-shadow: 0px 2px 5px rgba(0, 0, 0, 0.2);
  }
  
  .use-this-number {
    width: 200px;
    height: 50px;
    margin: 5px;
    border: none;
    border-radius: 50%;
    font-size: 24px;
    color: #333;
    background-color: #f1f1f1;
    box-shadow: 0px 2px 5px rgba(0, 0, 0, 0.2);
  }
  
  .number-button:hover {
    background-color: #c0c0c0;
    cursor: pointer;
  }
  
  .number-button:active {
    background-color: #b0b0b0;
    box-shadow: none;
  }

  
  .number-button-hidden {
    width: 60px;
    height: 60px;
    margin: 5px;
    border: none;
    border-radius: 50%;
    font-size: 24px;
    color: rgba(0,0,0,0);
    background-color: rgba(0,0,0,0);
    box-shadow: 0px 2px 5px rgba(0,0,0,0);
  }