.fa-play-circle {
  color: #40e0d0;
  margin-right: 5px;
  position: relative;
  animation: ripple 2s infinite;
}

@keyframes ripple {
  0% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.2);
    opacity: 0.5;
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}