.whatsapp-float {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 9999;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: #25d366;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 14px 32px rgba(13, 27, 42, .25);
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}

.whatsapp-float:hover {
  transform: scale(1.05);
  box-shadow: 0 18px 38px rgba(13, 27, 42, .32);
  background: #1fbd5a;
}

.whatsapp-float svg {
  width: 29px;
  height: 29px;
  display: block;
  fill: currentColor;
}

@media (max-width: 860px) {
  .whatsapp-float {
    right: 16px;
    bottom: 16px;
    width: 54px;
    height: 54px;
  }
}