In moving from one website styling to another, I have been annoyed by the Xara design inconsistencies.

Here is a document that collects my thoughts as to how I have overcome most of them.
It does require careful reading and experimenting to get the solution across.

The Ultimate Xara Backgrounds File.xar

In summary, I have remove the Pasteboard background Layer and replaced with a mostly page-aligned Stretchy solution.
Sadly, removing the Page background Layer adds a further complication: at its simplest you could add 100% Transparency to the Shadow Group.

Acorn

@Xara - it would be nice for us for you not to force a shadow on us each and every time.
@Xara - it would be nice for us for you to fix Placeholder accesses that reset the design to a Conventional website.