.blink_me {
  -webkit-animation-name: blinker;
  -webkit-animation-duration: 1s;
  -webkit-animation-timing-function: linear;
  -webkit-animation-iteration-count: infinite;

  -moz-animation-name: blinker;
  -moz-animation-duration: 1s;
  -moz-animation-timing-function: linear;
  -moz-animation-iteration-count: infinite;

  animation-name: blinker;
  animation-duration: 1s;
  animation-timing-function: linear;
  animation-iteration-count: infinite;
}

@-moz-keyframes blinker {
  0% { opacity: 1.0; }
  50% { opacity: 0.0; }
  100% { opacity: 1.0; }
}

@-webkit-keyframes blinker {
  0% { opacity: 1.0; }
  50% { opacity: 0.0; }
  100% { opacity: 1.0; }
}

@keyframes blinker {
  0% { opacity: 1.0; }
  50% { opacity: 0.0; }
  100% { opacity: 1.0; }
}