.btn-whatsapp-pulse {
  background: #25d366;
  color: white;
  position: fixed;
  font-size: 40px;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 70px;
  height: 70px;
  text-decoration: none;
  border-radius: 50%;
  bottom: 20px;
  right: 20px;
  animation: pulse 1.5s ease-out infinite;
  z-index: 9999;
}

.btn-whatsapp-pulse:hover {
  color: white;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.5);
  }
  80% {
    box-shadow: 0 0 0 14px rgba(37, 211, 102, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
  }
}