.whatsapp-float {
  position: fixed;
  bottom: 90px;
  right: 20px;
  z-index: 999;
  background-color: #25D366;
  color: white;
  font-size: 28px;
  padding: 1px;
  border-radius: 50%;
  text-align: center;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}
.whatsapp-float:hover {
  background-color: #20c15a;
}