/*
https://www.w3schools.com/howto/howto_js_snackbar.asp
 */

#snackbar {
    visibility: hidden; 
    background-color: black; 
    color: #fff; 
    font-size:26px;
    text-align: center; 
    border-radius: 2px; 
    padding: 16px; 
    position: fixed; 
    z-index: 1;
    width:300px;
    right:100px;
    bottom: 50px; 
}

#snackbar-message {
    color: #fff; 
    font-size:16px;
    text-align: center; 
}

#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: 50px; opacity: 1;}
}

@keyframes fadein {
    from {bottom: 0; opacity: 0;}
    to {bottom: 50px; opacity: 1;}
}

@-webkit-keyframes fadeout {
    from {bottom: 50px; opacity: 1;}
    to {bottom: 0; opacity: 0;}
}

@keyframes fadeout {
    from {bottom: 50px; opacity: 1;}
    to {bottom: 0; opacity: 0;}
}