I don't think it is the building block that needs to change.

IMO, you need to edit the styles in the template that you are using to create the document where you plan to insert the BB. In the Modify Style dialog you posted, there is an option near the bottom to change the style in the template (New documents based on this template). Once the template holds the right style attributes, the new documents created from it should show those elements the way you want them.

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Andrew Lockton
Chrysalis Design, Melbourne Australia