#snackbar {
visibility: hidden;
min-width: 250px;
background-color: red;
color: #fff;
text-align: center;
border-radius: 2px;
padding: 16px;
position: fixed;
z-index: 1;
left: 25%;
right: 25%;
bottom: 40%;
font-size: 17px;
box-shadow: 1px 1px 10px 3px #000;
}

#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 {bottom: 0; opacity: 0;}
  to {bottom: 40%; opacity: 1;}
}

@keyframes fadein {
  from {bottom: 0; opacity: 0;}
  to {bottom: 40%; opacity: 1;}
}

@-webkit-keyframes fadeout {
  from {bottom: 40%; opacity: 1;}
  to {bottom: 0; opacity: 0;}
}

@keyframes fadeout {
  from {bottom: 40%; opacity: 1;}
  to {bottom: 0; opacity: 0;}
}