#snackbar {
    visibility: hidden; 
    min-width: 250px; 
    margin-left: -125px; 
    background-color:#0a0a0a; 
    color: #fff; 
    text-align: center; 
    border-radius: 2px; 
    padding: 16px; 
    position: fixed; 
    z-index: 1; 
    left: 50%; 
    bottom: 30px; 
}

#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: 30px; opacity: 1;}
}

@keyframes fadein {
    from {bottom: 0; opacity: 0;}
    to {bottom: 30px; opacity: 1;}
}

@-webkit-keyframes fadeout {
    from {bottom: 30px; opacity: 1;} 
    to {bottom: 0; opacity: 0;}
}

@keyframes fadeout {
    from {bottom: 30px; opacity: 1;}
    to {bottom: 0; opacity: 0;}
}