To add the background Breadcrumb for your site please follow these steps:

From Dashboard > Appearance > NasaTheme Options > Breadcrumb:

In addition, you can override Breadcrumb for Root Category Product (Parent = 0):

Step 1 – Go to the Page -> Select and edit your shop page:

Settings override Breadcrumb on shop page:

Step 2 – Edit any product categories that you want them to override:

From the Nasatheme team
Hope you success!!