body {
    font-family: Arial, sans-serif;
    padding: 20px;
    background: #f0f0f0;
  }

  h1 {
    color: #333;
    text-align: center;
  }

  h2 {
    margin-top: 30px;
    color: #444;
  }

  select,
  input[type="number"],
  input[type="text"],
  button {
    padding: 10px;
    margin: 5px;
    border-radius: 4px;
    border: 1px solid #ccc;
  }

  button {
    background-color: #4CAF50;
    color: white;
    border: none;
    cursor: pointer;
    transition: background-color 0.3s;
  }

  button:hover {
    background-color: #45a049;
  }

  table {
    border-collapse: collapse;
    margin-top: 10px;
    width: 100%;
  }

  td, th {
    border: 1px solid #000;
    padding: 5px 10px;
    text-align: center;
  }

  .section {
    background: white;
    padding: 15px;
    margin: 20px 0;
    border-radius: 8px;
    box-shadow: 0 0 5px rgba(0,0,0,0.1);
  }

  p {
    margin-top: 10px;
  }

  span {
    font-weight: bold;
  }