@keyframes fadeOut {
    0% {
        opacity: 1;
    }

    100% {
        opacity: 0;
    }

}

.dx-dashboard-notificator {
    animation-name: fadeOut;
    animation-fill-mode: forwards;
}

    .dx-dashboard-notificator.dx-dashboard-success {
        animation-duration: 1s;
    }

    .dx-dashboard-notificator.dx-dashboard-info {
        animation-duration: 2s;
    }