When you’re building a digital publication, it’s a good practice to place all the interactive items on layers above the other page items.
This can avoid unwanted transparency-related issues when those interactive items are composited on top of the other items.
Jay Nelson is the editorial director of PlanetQuark.com, and the editor and publisher of Design Tools Monthly. He’s also the author of the QuarkXPress 8 and QuarkXPress 7 training titles at Lynda.com, as well as the training videos Quark includes in the box with QuarkXPress 7 . In addition, Jay writes regularly for Macworld and Photoshop User magazines and speaks at industry events.