When I remove all modules from the inset area the layout breaks down when displayed on the iPad.
I'm expecting two single-width colums of modules to display under the mainbody block with the right margin of the mainbody to align with the right side of the right column of modules. This is how it does in a PC browser when the width is reduced.
But on the iPad, the right colums of blocks is positioned too far to the right. It is as though the blocks are spread across the entire view port, and not the mainbody column width.
If I populate the inset with a module, this effect does not occur. The two blocks are positioned under the mainbody, with the right margins aligned properly.
What css property is causing this?