#snackbar{
  visibility: hidden;
  min-width: 700px;
  margin-left: -380px;
  background-color: red;
  color: #fff;
  text-align: center;
  border-radius: 20px;
  padding: 5px;
  position: fixed;
  z-index: 1;
  left: 50%;
  top: 70px;

  font-size: 17px;
}

#snackbar1 , #snackbar2 , #snackbar3,#snackbar4 {
  visibility: hidden;
  min-width: 700px;
  margin-left: -380px;
  background-color: green;
  color: #fff;
  text-align: center;
  border-radius: 20px;
  padding: 5px;
  position: fixed;
  z-index: 1;
  left: 50%;
  top: 70px;

  font-size: 17px;
}

#snackbar.show , #snackbar1.show , #snackbar2.show, #snackbar3.show,#snackbar4.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: 50px; opacity: 0;}
}

@keyframes fadein {
  from {top: 0; opacity: 0;}
  to {top: 50x; opacity: 0;}
}

@-webkit-keyframes fadeout {
  from {top: 50px; opacity: 0;}
  to {top: 0; opacity: 0;}
}

@keyframes fadeout {
  from {top: 50px; opacity: 0;}
  to {top: 0; opacity: 0;}
}