You can use the “Featured Image” as “Background” using the Combo Blocks plugin. This article will help you to set the image as a background.
To begin, insert the “Image” block.
Now select an image source and select an image.
Click on the “Wrapper” tab.
From “Image as Background” makes it yes.
Now change the “Height-length” and select the proper height unit [ex, 400px].
