Plugin like Envato top bar when opening Live Previews

Has anyone seen a WP plugin that open a new link/page in a frame, then on top there’s a bar that says Return To Site or something else allowing the user to go back to the original site. Basically the same effect that’s on Envato site when you look at plugins and click Live Preview. On top there’s a bar allowing you to go back or close the Frame

We have done notification bar and we can fix your issue very quickly.
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