.dmb-whatsapp {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 2147482500;
  display: block;
  width: 150px;
  max-width: calc(100vw - 44px);
  filter: drop-shadow(0 12px 18px rgba(0, 0, 0, .22));
  transform: translateZ(0);
  transition: transform .18s ease, filter .18s ease;
}

.dmb-whatsapp:hover,
.dmb-whatsapp:focus {
  transform: translateY(-3px) scale(1.02);
  filter: drop-shadow(0 16px 22px rgba(0, 0, 0, .28));
}

.dmb-whatsapp img {
  display: block;
  width: 100%;
  height: auto;
  border: 0;
}

@media (max-width: 767.98px) {
  .dmb-whatsapp {
    right: 12px;
    bottom: 12px;
    width: 150px;
    max-width: calc(100vw - 24px);
  }
}

@media (max-width: 360px) {
  .dmb-whatsapp {
    width: 132px;
  }
}