.whatsapp-float {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background-color: #25d366;
  color: #fff;
  border-radius: 50px;
  text-align: center;
  font-size: 30px;
  box-shadow: 2px 2px 3px #999;
  z-index: 100;
  padding: 10px;
}

.whatsapp-float:hover {
  background-color: #128c7e; /* Slightly darker green */
  transform: scale(1.1);
  transition: 0.3s;
}