.snackbar {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    background-color: #333;
    color: #fff;
    padding: 16px;
    border-radius: 4px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: opacity 0.3s ease;
}

    .snackbar.success {
        background-color: #28a745;
    }

    .snackbar.error {
        background-color: #dc3545;
    }

    .snackbar.info {
        background-color: #17a2b8;
    }