#ctg-app-install-wrapper {
    max-width: 600px;
    margin: 30px auto;
    padding: 20px;
    border: 1px solid #DDD;
    border-radius: 10px;
    background: #FAFAFA;
}

.ctg-app-block {
    display: none;
}

.ctg-app-btn {
    padding: 12px 20px;
    font-size: 16px;
    border: none;
    background: #0073AA;
    color: white;
    border-radius: 6px;
    cursor: pointer;
}

.ctg-app-btn:hover {
    background: #005C88;
}

#ctg-app-qr img {
    margin-top: 10px;
    border: 4px solid #EEE;
    border-radius: 10px;
}