#toast {
  visibility: hidden;
  min-width: 120px;
  background-color: black;
  color: white;
  text-align: center;
  border-radius: 4px;
  padding: 10px;
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 999;
  opacity: 0;
  transition: opacity 0.5s ease, visibility 0.5s;
  top: 50%;
  bottom: auto;
}

#toast.show {
  visibility: visible;
  opacity: 1;
}