We\'re finding the the iPad is displaying thin grey/black lines on our site. It seems to be some form of scaling-artefact on mobile Safari. I\'ve provided two snippets of
I also had the same problem in my home page and none of these solutions worked for me. In my particular case it was the background showing up in between the div layers as Johnny up top was saying. I ended up wrapping the existing layers with another div and made it the same background color as the two existing layers and the lines were not visible anymore. If nothing else works give it a try.