<blink> shim for chrome

gistfile1.css

@-webkit-keyframes 'blink' {
    0% { opacity: 1; }
    50% { opacity: 0; }
}
blink {
    -webkit-animation-duration: 1s;
    -webkit-animation-iteration-count: infinite;
    -webkit-animation-name: blink;
    -webkit-animation-timing-function: steps(1, end);
}