.whatsapp-float{
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: #25D366;
  color: white;
  border-radius: 50%;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  text-decoration: none;
  box-shadow: 0 4px 10px rgba(0,0,0,0.3);
}