@-webkit-keyframes blink {
    0% {
        opacity: 1;
    }
    49% {
        opacity: 1;
    }
    50% {
        opacity: 0;
    }
    100% {
        opacity: 0;
    }
}
@-moz-keyframes blink {
    0% {
        opacity: 1;
    }
    49% {
        opacity: 1;
    }
    50% {
        opacity: 0;
    }
    100% {
        opacity: 0;
    }
}
@-o-keyframes blink {
    0% {
        opacity: 1;
    }
    49% {
        opacity: 1;
    }
    50% {
        opacity: 0;
    }
    100% {
        opacity: 0;
    }
}
blink {
    -webkit-animation: blink 1s;
    -webkit-animation-iteration-count: infinite;
    -moz-animation: blink 1s;
    -moz-animation-iteration-count: infinite;
    -o-animation: blink 1s;
    -o-animation-iteration-count: infinite;
    position: absolute;
}