#mbh-whatsapp-float {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 99999;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25d366;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

#mbh-whatsapp-float:hover {
  transform: scale(1.06);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.3);
}

#mbh-whatsapp-float svg {
  width: 30px;
  height: 30px;
  fill: currentColor;
}

@media (max-width: 480px) {
  #mbh-whatsapp-float {
    right: 16px;
    bottom: 16px;
    width: 52px;
    height: 52px;
  }
}