Pulling hair out here at the moment.

I have a button which is built from a 9 cell table. In the corner cells I have a rounded corner image. Because I have nested the table in a single cell with the required button bg colour to fix the lines in table iOS bug I am now seeing the hairline bg colour on the outside of the corner images.

I have cell padding, cell space and border set to 0 and img display:block also set.

I have also inlined all css code.

This problem ony shows on iOS evenything else is fine.

Thanks in advance.