.toast{color:#fff;opacity:0;visibility:hidden;border-radius:5px;padding:10px 20px;transition:opacity .5s ease-in-out;position:fixed;top:20px;right:0;transform:translate(-10%)}.toast.show{opacity:1;visibility:visible}.toast-success{background-color:#4caf50}.toast-error{background-color:#f44336}.toast-warning{background-color:#ff9800}