@keyframes animation_blink {
    0% { opacity: 1; }
    25% { opacity: 1; }
    26% { opacity: 0; }
    75% { opacity: 0; }
    76% { opacity: 1; }
    100% { opacity: 1; }        
}                
.eye {
    all: initial;
    display:block;
    float:right;
    font-size:small;
}             
.blink {
    animation-name:animation_blink;
    animation-timing-function:linear;
    animation-duration:2s;
    animation-iteration-count:5;
}