.pulse h2 {
  -webkit-animation-name: pulse; /* Safari 4.0 - 8.0 */
  -webkit-animation-duration: inf; /* Safari 4.0 - 8.0 */
  animation-name: pulse;
  animation-duration: 0.75s;
  animation-iteration-count: 2;
  animation-timing-function: ease;
}

/* Safari 4.0 - 8.0 */
@-webkit-keyframes pulse {
  0% {color: #fff;}
  50% {color: #c0392b;}
  100% {color: #fff;}
}

/* Standard syntax */
@keyframes pulse {
  0% {color: #fff;}
  50% {color: #c0392b;}
  100% {color: #fff;}
}