* {
  font-family: Segoe UI, sans-serif;
}
body {
  background: BurlyWood;
}
h1 {
  color: chocolate;
  display: block;
  margin: 0;
  padding: 0;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  font-size: 100px;
  white-space: nowrap;
  animation: pulsate 1s ease-out;
  animation-iteration-count: infinite; 
  opacity: 0.0;
}
@keyframes pulsate {
    0% {
      transform: translate(-50%, -50%) scale(0.1, 0.1);
      opacity: 0.0;
    }
    50% {
      opacity: 1.0;
    }
    100% {
      transform: translate(-50%, -50%) scale(1.2, 1.2);
      opacity: 0.0;
    }
}