#kali_newsletter_response {
    margin-top: 10px;
    padding: 8px;
    display: none;
}

#kali_newsletter_response.error {
    background: #ffaeae;
    color: #c60000;
    display: block;
}

#kali_newsletter_response.success {
    background: rgba(0, 255, 0, 0.15);
    color: #13b213;
    display: block;
}