#snackbar {
    visibility: hidden;
    max-width: 50%;
    margin: auto;
    background-color: #161718;
    color: #fff;
    text-align: center;
    border-radius: 2px;
    padding: 16px;
    position: fixed;
    z-index: 9999;
    left: 0;
    right: 0;
    bottom: 30px;
    font-size: 17px;
    white-space: normal;
}



    #snackbar.show {
        visibility: visible;
        -webkit-animation: fadein 0.5s, fadeout 0.5s 10s;
        animation: snackfadein 0.5s, snackfadeout 0.5s 10s;
    }

@-webkit-keyframes snackfadein {
    from {
        bottom: 0;
        opacity: 0;
    }

    to {
        bottom: 30px;
        opacity: 1;
    }
}

@keyframes snackfadein {
    from {
        bottom: 0;
        opacity: 0;
    }

    to {
        bottom: 30px;
        opacity: 1;
    }
}

@-webkit-keyframes snackfadeout {
    from {
        bottom: 30px;
        opacity: 1;
    }

    to {
        bottom: 0;
        opacity: 0;
    }
}

@keyframes snackfadeout {
    from {
        bottom: 30px;
        opacity: 1;
    }

    to {
        bottom: 0;
        opacity: 0;
    }
}