.whatsapp-float {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 999;
  width: 45px;
  height: 45px;
  background-color: #25D366;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: 0 2px 5px rgba(0,0,0,0.3);
  transition: transform 0.2s ease;
}

.whatsapp-float:hover {
  transform: scale(1.1);
}

.whatsapp-float img {
  width: 60%;
  height: 60%;
  filter: invert(1);
}