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Old 10-01-2024, 07:10 AM   #1
Siavahda
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EPUB->AZW3 disrupts chapter headers

So when I have an EPUB with chapter header decorations - usually an image that goes above and/or below the chapter name - the header decoration always gets shunted to the right once it's in AZW3 and on my kindle.

For example

.chapter-title-decoration-below-inner {
display: inline-block;
height: 0.4833in;
width: 1.1967in;
margin: 0;
padding: 0
}

It displays properly when I check the AZW3 in the Calibre viewer, and on Kindle For PC. But once the file is on my kindle, the header is on the right, with part of the image not visible because it's been shoved a bit off the page.

It's always a problem with the display: inline-block. Sometimes removing it makes the image display properly, but often not.

My output profile is set to my kindle model - Paperwhite 3. I've tried aligning the images to center (with the display: inline-block deleted, and with it present), but that didn't do it. I'm not sure what else to try, or where the problem might be.
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Old 10-01-2024, 09:07 AM   #2
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It will be a bug in the kindle renderer. Try a completely different approach to achieving the look you want.
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Old 10-02-2024, 04:20 PM   #3
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I don't understand what you mean? The headers are supposed to be centred, but I haven't made the files, I don't have an approach, I'm just clicking convert so I can read these on my kindle. What approach am I meant to take?
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Old 10-02-2024, 08:16 PM   #4
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Quote:
Originally Posted by Siavahda View Post
I don't understand what you mean? The headers are supposed to be centred, but I haven't made the files, I don't have an approach, I'm just clicking convert so I can read these on my kindle. What approach am I meant to take?
It is a free for all out there. There is no law that they need to follow all the W3C.
You want center, specify that (and hope some foo who 'knows better' did not lock that out. ) Pick a brand and you will find 'quirks' in how they render code.
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Old 10-02-2024, 08:48 PM   #5
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Quote:
Originally Posted by Siavahda View Post
I don't understand what you mean? The headers are supposed to be centred, but I haven't made the files, I don't have an approach, I'm just clicking convert so I can read these on my kindle. What approach am I meant to take?
What you are running into is one of the reasons that I edit virtually all the ebooks that I read. One recent ebook instead of using a simple text-align: center; to center text used margin-left:auto;, margin-right: auto; which does not work in all cases or with all renderers.

In your sample, there are 3 or more divs wrapped around the line that actually displays the image. You would have to at the combined effects of those styles to see what is actually happening and keep in mind cascade and specificity. See Cascade, specificity, and inheritance for a basic lesson.

Last edited by DNSB; 10-02-2024 at 08:51 PM.
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Old 10-03-2024, 09:39 AM   #6
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Originally Posted by theducks View Post
It is a free for all out there. There is no law that they need to follow all the W3C.
You want center, specify that (and hope some foo who 'knows better' did not lock that out. ) Pick a brand and you will find 'quirks' in how they render code.
No idea what W3C means, but I think I understand what you're saying. I have tried to center the images already and that didn't help, alas.
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Old 10-03-2024, 09:42 AM   #7
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Originally Posted by DNSB View Post
What you are running into is one of the reasons that I edit virtually all the ebooks that I read. One recent ebook instead of using a simple text-align: center; to center text used margin-left:auto;, margin-right: auto; which does not work in all cases or with all renderers.

In your sample, there are 3 or more divs wrapped around the line that actually displays the image. You would have to at the combined effects of those styles to see what is actually happening and keep in mind cascade and specificity. See Cascade, specificity, and inheritance for a basic lesson.
I edit everything I read, but usually only basic formatting, paragraph indents and stuff like that. But I think I understand (although I can't believe someone tried that instead of just centering?!) I've run into weirdly overcomplicated attempts to do a thing that could be done very simply with a different command; didn't occur to me that something like that could be happening here, but you're absolutely right.

I'll mess about with all those styles and see if I can figure out the problem that way. Thank you!
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Old 10-03-2024, 03:52 PM   #8
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Some stylesheets are generated by computers such as when you feed a Word .docx file into Vellum or use InDesign to create an ePub. Then there are the corporate stylesheets used by many publishers. All great sources for unnecessary complexity.

You may want to check HTML and CSS Tags Supported in Kindle Format 8 though those lists are incomplete.

If you open the azw3 ebook in calibre's ebook-editor and enable the Live CSS tool, it helps to see what is being applied.
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