Layers responsiveness not working on iPad Air
Possible Answers to Your Question:
There is an ever-growing variety of mobile device resolutions these days, making it harder and harder to accomodate them all perfectly, and in most cases tablet support is added for one orientation (typically portrait) Our designer does review things like mobile compatibility to make adjustments when needed, but it takes a lot of testing to ensure any additional styling added to Layers does not impact other resolutions, the grid system or existing sites negatively.
For now, you can add specific support for the air using Custom CSS. Please see this tutorial: