body {
    font-family: Arial, sans-serif;
    margin: 40px;
    background: #f9f9f9;
    color: #333;
}
textarea {
    width: 100%;
    height: 150px;
    padding: 10px;
    font-size: 16px;
}
button {
    padding: 10px 20px;
    font-size: 16px;
    margin-top: 10px;
}
#result {
    margin-top: 30px;
    background: #fff;
    padding: 20px;
    border: 1px solid #ddd;
}