@-webkit-keyframes blink {
    0% { opacity: 1; }
    50% { opacity: 1; }
    50.01% { opacity: 0; }
    100% { opacity: 0; }
}

@-keyframes blink {
    0% { opacity: 1; }
    50% { opacity: 1; }
    50.01% { opacity: 0; }
    100% { opacity: 0; }
}

@-webkit-keyframes flip {
    0% { opacity: 1; }
    100% { opacity: 0; }
}

@-keyframes flip {
    0% { opacity: 1; }
    100% { opacity: 0; }
}