.fpg-container {
    max-width: 500px;
    margin: 40px auto;
    padding: 20px;
    border: 2px solid #ccc;
    border-radius: 10px;
    text-align: center;
    background-color: #f9f9f9;
}

.fpg-container input,
.fpg-container button {
    margin-top: 10px;
    padding: 10px;
    font-size: 16px;
}

.fpg-result {
    margin-top: 20px;
}

.fpg-result code {
    display: block;
    margin: 10px 0;
    font-size: 18px;
    background: #eee;
    padding: 10px;
    border-radius: 5px;
}