Hi Dr. K!
Ah! You're right - for sure. And! I checked there first.
Thing is, among the examples it seems in the Headers & Footers section there is:
style="justify-content: flex-end"
style="justify-content: space-between;
I didn't see any values for setting the text to the right?
While I'm FAIRLY good at working with books and writing on history, ancient history and current events, I am not educated in coding.
I have tried my best to do self-teaching, as much as I can. However, as far as my own experience seems to demonstrate, it's not my forte.

After checking the manual, running the conversion several times and getting the same result, I thought I'd ask for help.
The code I've posted there is actually FROM the manual!
I just tried to slide in a "declaration" for the text alignment.
Can't seem to be able to catch what I'm doing wrong. I tried a few different approaches, but each time - it stays at the left.
I've got a humdinger of a book I need to plow through - frommmmmm...1646! Who hoo! It's sort of a treatise combining Latin, Greek and English weighing in at 3,315 pages once resized to keep a fellow from going bats trying to read it -
Shout out to @Sirtel for the good help on that - who KNEW there was an Editor, too! Great STUFF, Kovid!
Fortunately I only need to focus on about 600 pages of this text - but...it's got over 30 chapters

- having those headers in the right place would make a BIG difference.
I have an idea. Tell me what you think. Let's use a STRAIGHT copy-pasta from the documentation:
<header style="justify-content: flex-end">
<div class="even-page">_AUTHOR_</div>
<div class="odd-page"><i>_TITLE_</i></div>
</header>
If I wanted to take that down to be only:
<header style="justify-content: flex-end">
<div>_SECTION_</div>
</header>
Please could you tell me what code I need to change to get the text to sit at the top right?
How does that sound?
Sincerely,
Blaine