Мигающий текст

.blink {
    -webkit-animation: blink 1s;
    -webkit-animation-iteration-count: infinite;
    animation: blink 1s;
    animation-iteration-count: infinite;
}
@-webkit-keyframes blink {
    0% {
        opacity: 1;
    }
    50% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}
@keyframes blink {
    0% {
        opacity: 1;
    }
    50% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}