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

h2 {
    text-align: center;
}

form {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

label {
    font-weight: bold;
}

input, select, button {
    padding: 8px;
    margin-top: 5px;
}

button {
    background-color: #4CAF50;
    color: white;
    border: none;
    cursor: pointer;
    font-size: 16px;
}

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

input[readonly] {
    background-color: #f0f0f0;
}