mbody {
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
    margin: 0;
    padding: 0;
  }
  
  .container {
    max-width: 600px;
    margin: 0 auto;
    padding: 20px;
  }
  
  .input-div {
    margin-bottom: 20px;
  }
  
  .input-div button {
    padding: 10px 20px;
    background-color: #007bff;
    color: #fff;
    border: none;
    cursor: pointer;
  }
  
  .input-div button:hover {
    background-color: #0056b3;
  }
  
  #output-div {
    padding: 10px;
    border: 1px solid #ccc;
    background-color: #fff;
    min-height: 100px;
  }