Troubleshoot the red rectangle that appears on a Web page

A red rectangle randomly appears on my Web page

When objects on a Web page overlap, they define a rectangular area called a graphic region ("A" below).

Objects that will be rendered as a graphic are highlighted by a red triange.

Whether the area includes text ("B" above) or graphics, Microsoft Publisher generates everything within the graphic region as a graphic when you preview the page or publish it to the Web. This has two negative results:

When you see the rectangular area appear, locate the text or graphics that overlap and position them so that they don't overlap.