The backdrop helps you highlight the element the steps. You just need to make sure the “Backdrop” feature is activated when you edit your item. You can also customize the “Backdrop” color. Read the style section to get more information about how to customize the backdrop color.
The backdrop is activated by default on the modal widget.
If you want to add a backdrop to a step, click your guide menu. Click Edit steps. Click the Edit icon at the right side of step’s title. Check the Backdrop box.
You cannot add a backdrop to a tooltip.