@keyframes notification-blink {
    0% {
        opacity: 1;
    }
    50% {
        opacity: 1;
    }
    100% {
        opacity: .3;
    }
}

@-webkit-keyframes notification-blink {
    0% {
        opacity: 1;
    }

    50% {
        opacity: 1;
    }

    100% {
        opacity: .3;
    }
}