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enuddleyarbl · 02-19-2026, 06:29 PM

EDIT: Sorry. I answered the wrong question here. The OP wants to change the styling of the TOC panel in the Viewer. I mistakenly thought he wanted to change the styling of the actual TOC in the book.

ORIGINAL:It might be possible by editing inline_toc_styles.css. I'm not sure where yours might be but in Bazzite with a flatpak version of Calibre, mine is in /home/dave/.var/app/com.calibre_ebook.calibre/config/calibre/resources/templates/.

I'd assume some file path ending in calibre/resources/templates.

It looks like Calibre just sticks whatever it finds in that file at the top of the TOC page.

EDIT: According to

https://www.mobileread.com/forums/sh...56&postcount=3

the path is:

AppData\Roaming\calibre\resources\templates\inline _toc_styles.css

02-19-2026, 06:29 PM	#2
enuddleyarbl Guru Posts: 810 Karma: 1538536 Join Date: Sep 2013 Device: Kobo Sage	EDIT: Sorry. I answered the wrong question here. The OP wants to change the styling of the TOC panel in the Viewer. I mistakenly thought he wanted to change the styling of the actual TOC in the book. ORIGINAL:It might be possible by editing inline_toc_styles.css. I'm not sure where yours might be but in Bazzite with a flatpak version of Calibre, mine is in /home/dave/.var/app/com.calibre_ebook.calibre/config/calibre/resources/templates/. I'd assume some file path ending in calibre/resources/templates. It looks like Calibre just sticks whatever it finds in that file at the top of the TOC page. EDIT: According to https://www.mobileread.com/forums/sh...56&postcount=3 the path is: AppData\Roaming\calibre\resources\templates\inline _toc_styles.css Last edited by enuddleyarbl; 02-20-2026 at 07:19 AM.