I just re-published the electronic Advent calendar.
I created the calendar in PowerPoint. I found a picture I liked and put it on a slide. I then created one slide for each day. I inserted hyperlinks on the picture to each page and a hyperlink on each slide to take the user back to the first. I finally converted it to a PDF.
The problem I found had Adobe ignoring the first page entirely. All my links were off by a day.
It turns out that the picture was too big. I must have exceeded the margin limit when I converted it to PDF.
I’m not sure why that happened. If you know, tell me, please.