body {
    font-family: Arial;
    padding: 20px;
    background: #f5f5f5;
}

textarea {
    width: 100%;
    height: 200px;
    margin-bottom: 10px;
}

button {
    margin-right: 10px;
    padding: 10px;
    cursor: pointer;
}

pre {
    background: white;
    padding: 15px;
    margin-top: 15px;
    white-space: pre-wrap;
}