#whatsappButton {
  position: fixed;   /* stays on screen */
  bottom: 70px;      /* distance from bottom */
  right: 20px;       /* distance from right */
  width: 60px;       /* icon size */
  height: 60px;
  z-index: 9999;     /* on top of everything */
  cursor: pointer;
  transition: transform 0.3s;
}

#whatsappButton img {
  width: 100%;
  height: 100%;
}

#whatsappButton:hover {
  transform: scale(1.1); /* slight zoom on hover */
}