.whatsapp-float {
  position: fixed;
  width: 60px;
  height: 60px;
  bottom: 10px;
  left: 40px;
  background-color: #25d366;
  color: #FFF;
  border-radius: 50px;
  text-align: center;
  font-size: 30px;
  box-shadow: 2px 2px 3px #999;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  animation: pulse 2s infinite;
}

.whatsapp-icon {
  margin-top: 5px;
}

/* Pulse animation */
@keyframes pulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.1);
  }
  100% {
    transform: scale(1);
  }
}

/* For mobile responsiveness */
@media (max-width: 768px) {
  .whatsapp-float {
    width: 50px;
    height: 50px;
    bottom: 5px;
    left: 10px;
    font-size: 25px;
  }
}