app-whatsapp-float {
  display: block;
}

.whatsapp-float {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 1020;
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #25d366;
  color: #fff;
  font-size: 1.7rem;
  text-decoration: none;
  box-shadow: 0 10px 26px rgba(37, 211, 102, .35);
  transition: transform .2s, box-shadow .2s;
  -webkit-tap-highlight-color: transparent;
}

.whatsapp-float:hover,
.whatsapp-float:focus,
.whatsapp-float:visited {
  background: #25d366;
  color: #fff;
}

.whatsapp-float:hover {
  transform: translateY(-3px) scale(1.04);
}

/* Clique: o botão "afunda" sem trocar de cor. */
.whatsapp-float:active {
  background: #25d366;
  color: #fff;
  transform: scale(.92);
  box-shadow: 0 4px 12px rgba(37, 211, 102, .35);
  transition-duration: .08s;
}