@keyframes fadein {
  0% {
    opacity: 0.2;
  }

  30% {
    opacity: 1;
  }
}

.toast {
  position: fixed;
  white-space: nowrap;
  background-color: black;
  color: white;
  text-align: center;
  border-radius: 5px;
  font-size: 16px;
  animation: fadein 1s ease-in;
  box-shadow: 2px 2px 5px gray;
  height: 40px;
  line-height: 40px;
  width: 150px;
  margin: auto;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
}