Quote:
Originally Posted by Hitch
Hmmmmm....I'm going to have to contemplate this for a bit. I have some vague recollection of a very real-world issue around px and margins, but of course, can I think of it? NO. Senile old bat that I am. But I'll remember, sooner or later. :-)
Hitch
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One issue with using px for margins is that moving between devices with different resolutions does not work very well. On an 600 pixel wide screen, 10 pixels is a lot wider than 10 pixels on a 1404 pixel wide screen. The referenced web page claim that a px is a constant 1/96 of an inch and not the same as a pixel does not seem to apply on any ereader I've used. Otherwise, I wouldn't have needed to waste the time that I have wasted changing image formatting from px to % so the amount of screen space used is relatively constant on my collection of ereaders. A 600px x 800px image is not 6.25" x 8.33" on any device I've used from a 5" Kobo Mini to a 10.5" iPad Pro.