.wfb-container{
  position: fixed !important;
  right: 18px !important;
  bottom: 18px !important;
  z-index: 2147483647 !important; /* sobre todo */
  width: 56px !important;
  height: 56px !important;
  pointer-events: auto !important;
  contain: layout paint size style !important;
  isolation: isolate !important;
}
.wfb-button{
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  width: 56px !important;
  height: 56px !important;
  border-radius: 50% !important;
  background: #25D366 !important;
  box-shadow: 0 8px 20px rgba(0,0,0,.25) !important;
  text-decoration: none !important;
  transform: none !important;
  opacity: 1 !important;
  visibility: visible !important;
}
.wfb-logo{
  display: block !important;
  width: 28px !important;
  height: 28px !important;
}
@media (hover:hover){
  .wfb-button:hover{ transform: translateY(-1px) !important; }
}