Thread: Scalable title text that works for all e-readers
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Old 05-19-2026, 07:44 PM   #5
DNSB
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Posts: 52,025
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Join Date: Jul 2010
Location: Vancouver
Device: Kobo Sage, Libra Colour, Lenovo M8 FHD, Paperwhite 4, Tolino epos
I've played with this a couple times. The main issue that I ran into is that many of the prettier techniques are not supported widely across multiple renderers.

The last solution I used which worked for a specific situation involved using a container-type inline-size and the font size set to 6cqw. I've attached a sample ePub using that technique.

Edit: This method works on Sigil's preview and EpubJSReader plugin. The BibiReader and ReadiumReader plugins display the text but the resizing does not work. For calibre, the ebook-viewer and the ebook-editor's preview work happily. One item to remember is both Sigil and calibre are basically using a Chrome web browser to display the text.
Attached Files
File Type: epub test_019.epub (2.4 KB, 6 views)
Last edited by DNSB; 05-19-2026 at 07:51 PM. Reason: Added comment about Sigil and calibre
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