body {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    margin: 0;
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
}

h1 {
    color: #333;
}

button {
    padding: 10px 15px;
    margin: 5px;
    background-color: #007BFF;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

button:disabled {
    background-color: #ccc;
}

button:hover:enabled {
    background-color: #0056b3;
}

textarea {
    width: 80%;
    height: 300px;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    margin-top: 10px;
    font-size: 16px;
}