body {
    font-family: Arial, sans-serif;
    background: #f4f4f4;
}

.container {
    width: 60%;
    margin: 40px auto;
    background: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 0 10px #ccc;
}

textarea {
    width: 100%;
    height: 180px;
    padding: 10px;
    margin-bottom: 15px;
    font-size: 16px;
}

button {
    padding: 12px 20px;
    background: #0077ff;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 16px;
}

pre {
    background: #eee;
    padding: 15px;
    border-radius: 8px;
    white-space: pre-wrap;
}