.snackbar{color:#fff;text-align:center;opacity:0;visibility:hidden;z-index:2000;background-color:#333;-webkit-border-radius:999px;border-radius:999px;align-self:center;min-width:250px;padding:16px;font-size:1rem;transition:opacity .5s,visibility .5s;position:fixed;bottom:30px}.snackbar.show{visibility:visible;opacity:1}.snackbar.success{background-color:#4caf50}.snackbar.error{background-color:#f44336}