.coin {
  height: 40px;
  width: 40px;
  animation: 
    spin 2s linear infinite,
    change 3s infinite linear .5s;
  border-radius: 50%;
  background-size: cover;
}

@keyframes change {
  0%,50% {
    background-image: url("Website/images/BHlogoCoin.png");
  }
  50%,100% {
    background-image: url("Website/images/BHlogoNormal.png");
  }
}

@keyframes spin {
  100% {
    transform: rotateY(360deg);
  }
}