body {
    font-family: Arial, sans-serif;
    background: #f7f7f7;
    text-align: center;
    padding: 40px;
}

.container {
    background: #fff;
    padding: 30px;
    border-radius: 10px;
    width: 500px;
    margin: auto;
    box-shadow: 0px 4px 10px rgba(0,0,0,0.1);
}

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

button {
    margin-top: 15px;
    padding: 10px 20px;
    background: #4CAF50;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

.result {
    margin-top: 20px;
    font-size: 18px;
}