@media (max-width: 520px) {
  #btnReservaTop {
    display: none;
  }
}

#whatsapp-btn {
  position: fixed;
  bottom: 5px;
  right: 90px;
  z-index: 999;

  width: 160px;
  height: 70px;
  background-image: url("../images/whatsapp.png");
  background-repeat: no-repeat;
  background-size: cover;
}

@media (max-width: 992px) {
  #whatsapp-btn {
    bottom: 5px;
    right: 5px;
  }
}