Go back to your IDE and within the src/components/common add CommonButton folder, inside of it add the file with tha same name. Mock functional component using rafce shortcut, paste the import button line and you should end up with something like this:

If you look at the example dashboard that we would like to recreate (screen just below). You will quickly find that we can reuse CommonButton at least two times only on the authentication page ( Add user & Web setup buttons).