Snackbar provides the short information to the user about the process.It appear at the bottom of the
screen for a short time. Snackbar also called as Toast.
Basic Snackbar
It appear after the action of the user. For basic snackbar you can use class
basic_snackbar.
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Snackbar with Button
For snackbar with button you can use class btn_snackbar for retry button
retry_btn.