@-webkit-keyframes blink {  
  from { opacity: 1.0;color:red }
  to { opacity: 0.0;color:green }
}

blink {
  -webkit-animation-name: blink;  
  -webkit-animation-iteration-count: infinite;  
  -webkit-animation-timing-function: cubic-bezier(1.0,0,0,1.0);
  -webkit-animation-duration: 1s; 
}