This snippet gives you an alert at the top whenever there is an item that has a review or new tag. The new tag appears on items that have become active from the backburner (after a start date) or on recurring items that got created. 

Once there's a new item with a review or new tag, the following alert will show up at the top of your main view.

This workflow snippet uses the following strategies:

The smart list used in this workflow snippet just checks if any items have the "new" or "review" label attached to them.

If you wish to change the color of the "Review now" button, or the text that appears there, you can do so by going to ☰ -> Strategies, finding "Smart List Day Alerts" strategy and clicking on the cog.  

If you want to change the color, you can do so by hovering the blue circle with your cursor and then clicking on it. That way you can also add an icon to the button.
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