.doblink {
    color: red;
    animation: doblinker 3s infinite;
}
@keyframes doblinker {
    0% {
        opacity: 1;
    }

    50% {
        opacity: 0;
    }
}

.doblink2 {
    color: red;
    animation: doblinker2 2s infinite;
}

@keyframes doblinker2 {
    0% {
        opacity: 1;
    }

    50% {
        opacity: 0;
    }
}

.doblink1 {
    color: red;
    animation: doblinker1 3s infinite;
}

@keyframes doblinker1 {
    0% {
        opacity: 1;
    }

    50% {
        opacity: 0;
        transform: scale(2);
    }

    51% {
        opacity: 0;
        transform: scale(0);
    }

    100% {
        transform: scale(1);
        opacity: 1;
    }
}