#snackbar {
  visibility: hidden;
  width: 400px;
  margin-left: -125px;
  background-color: #333;
  color: #fff;
  text-align: center;
  border-radius: 10px;
  padding: 16px;
  position: absolute;
  z-index: 1;
  left: 50%;
  top: 100px;
  font-size: 17px;
  /* transform: rotate(270deg); */
}

div#snackbar-message {
    position: absolute;
    top: 100px;
    transform: rotate(90deg);
    right: -60px;
    opacity: 70%;
}

div#snackbar-message:hover {
    opacity: 100%;
}

#snackbar.show {
  visibility: visible;
  -webkit-animation: fadein 0.5s, fadeout 0.5s 2.5s;
  animation: fadein 0.5s, fadeout 0.5s 2.5s;
}

@-webkit-keyframes fadein {
  from {top: 0; opacity: 0;} 
  to {top: 100px; opacity: 1;}
}

@keyframes fadein {
  from {top: 0; opacity: 0;}
  to {top: 100px; opacity: 1;}
}

@-webkit-keyframes fadeout {
  from {top: 100px; opacity: 1;} 
  to {top: 0; opacity: 0;}
}

@keyframes fadeout {
  from {top: 100px; opacity: 1;}
  to {top: 0; opacity: 0;}
}