.little-toast {
  visibility: hidden;
  padding: 6px 16px;
  background-color: rgba(0, 0, 0, 0.7);
  color: #fff;
  text-align: center;
  border-radius: 4px;
  position: fixed;
  z-index: 1;
  left: 50%;
  top: 0;
  transform: translateX(-50%) translateY(-100%);
  font-size: 14px;
}

.little-toast.show {
  visibility: visible;
  top: 70px;
  animation: lt-fadein 0.5s, lt-fadeout 0.5s 2.5s;
}

@keyframes lt-fadein {
  from {top: 0; opacity: 0;}
  to {top: 70px; opacity: 1;}
}

@keyframes lt-fadeout {
  from {top: 70px; opacity: 1;}
  to {top: 0; opacity: 0;}
}