body {
    font-family: Arial, sans-serif;
    margin: 2rem;
    background-color: #f4f4f4;
    color: #333;
}
textarea {
    width: 100%;
    height: 120px;
    padding: 10px;
    margin-bottom: 1rem;
    font-size: 16px;
    outline: none;
}
button {
    padding: 10px 15px;
    margin-right: 10px;
    font-size: 16px;
    cursor: pointer;
}
.result {
    background-color: #fff;
    border: 1px solid #ccc;
    padding: 10px;
    min-height: 100px;
    white-space: pre-wrap;
}