@keyframes pulse {
  0% {
    transform: scale(0.9);
  }
  50% {
    transform: scale(1.4);
  }
  100% {
    transform: scale(1);
  }
}

#sendzapwp {
  border: 0;
  width: 60px;
  height: 60px;
  z-index: 9999;
  background-color: transparent;
  cursor: pointer;
  position: fixed;
  background-repeat: no-repeat;
  background-size: cover;
  right: 15px;
  bottom: 15px;
  animation: pulse 1s infinite;
}