.container {
    max-width: 600px;
    margin: 0 auto;
    padding: 20px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  }

  .nav button:hover {
    background-color: #0056b3;
  }

label {
    font-size: 16px;
    margin-top: 10px;
    display: block;
}

  input {
    width: 100%;
    padding: 10px;
    margin-bottom: 10px;
    font-size: 16px;
    border: 1px solid #ccc;
    border-radius: 4px;
  }

  button {
    padding: 10px 20px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
  }

  button:hover {
    background-color: #0056b3;
  }
  
  .output {
    margin-top: 20px;
    font-size: 18px;
    color: #333;
  }