body {
    font-family: Arial, sans-serif;
    margin: 20px;
    padding: 20px;
    max-width: 600px;
    margin: 0 auto;
    background-color: #f9f9f9;
}

h1, h2 {
    text-align: center;
    color: #333;
}

form {
    display: flex;
    flex-direction: column;
}

div {
    margin-bottom: 20px;
}

button {
    padding: 10px;
    background-color: #4CAF50;
    color: white;
    border: none;
    cursor: pointer;
    text-align: center;
    font-size: 16px;
    transition: background-color 0.3s ease;
    display: block;
    margin: 20px auto;
}

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

.result-container {
    text-align: center;
    background-color: #fff;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.result-container h1 {
    margin-bottom: 10px;
}

.result-container h2 {
    margin-top: 0;
    font-size: 24px;
    color: #4CAF50;
}