.alertify-notifier .ajs-message.ajs-success {
    background-color: green;
    box-shadow: 2px 2px #888888;
    padding: 20px;
    font-size: 18px;
}

.alertify-notifier .ajs-message.ajs-error {
    background: red;
    box-shadow: 2px 2px #888888;
    font-family: 'Roboto', sans-serif;
    font-size: 16px;
    padding: 25px;
}

.ajs-message.ajs-notifier {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}