.whatsapp-float {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: #0f5132;
  color: #fff;
  padding: 14px 20px;
  border-radius: 50px;
  font-weight: bold;
  text-decoration: none;
  z-index: 9999;
}

.whatsapp-float:hover {
  background: #198754;
}