.toast{
  position:fixed;
  left:50%;
  bottom:18px;
  transform:translateX(-50%);
  background:rgba(0,0,0,.80);
  border:1px solid rgba(242,242,242,.14);
  padding:10px 12px;
  border-radius:14px;
  color:rgba(242,242,242,.92);
  font-size:12px;
  opacity:0;
  pointer-events:none;
  transition:opacity .15s ease;
  z-index:99;
}
.toast.show{opacity:1}