.whatsapp {
  position: fixed;
  bottom: 75px;
  right: 80px;
  width: 75px;
  height: 75px;
  border-radius: 50%;
  box-shadow: 0px 4px 8px rgba(0, 0, 0, 0.3);
  display: flex;
  justify-content: center;
  align-items: center;
  transition: transform 0.3s ease;
  z-index: 999;
}

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

.whatsapp img {
  width: 100%;
  height: auto;
}