.whatsapp-float {
  position: fixed;
  width: 60px;
  height: 60px;
  bottom: 20px;
  right: 20px;
  background-color: #25D366;
  color: #fff;
  border-radius: 50%;
  text-align: center;
  box-shadow: 0 2px 10px rgba(0,0,0,0.3);
  z-index: 1000;
  display: flex;
  justify-content: center;
  align-items: center;
  animation: pulse 2s infinite;
}

.whatsapp-float img {
  width: 30px;
  height: 30px;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.6);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(37, 211, 102, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
  }
}