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Old 12-23-2017, 10:12 AM   #14
jackie_w
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Posts: 6,252
Karma: 16544692
Join Date: Sep 2009
Location: UK
Device: ClaraHD, Forma, Libra2, Clara2E, LibraCol, PBTouchHD3
Quote:
Originally Posted by Shadowjack View Post
Second, the font size are drastically different between the two formats. Kepub has a smaller size than the epub version. I use settings in the Kobo eReader.conf to set initial values: readingFontFamily, readingFontSize. For an epub the FontSize value of 20 seems equivalent to the Kepub FontSize of 30. Based on what I have read, I assume this is due to built-in stylesheets for kepub vs epub or am I missing something? Do I have to use the patches to change this behavior?
For calibre users the easiest way to deal with this problem is by enabling the 'Modify CSS' feature of the calibre driver (either KoboTouch or KoboTouchExtended) and adding a line of CSS to the special kobo_extra.css file used by this feature. 'Modify CSS' is found at the bottom of the 'Collections, covers & uploads' tab of the calibre driver configuration widget.

Here's a link to how this feature works.

As detailed in the link, create a kobo_extra.css file in the root directory of your H2O, and add this line to it:
Code:
body>div#book-columns>div#book-inner {font-size:1.5em}
It should only have any effect on your kepubs and should increase the font-size of each kepub by 50% (during the calibre send-to-device process) without you having to adjust the Kobo slider each time you switch between epub and kepub.

I should point out that not all Kobo models have this font-size "discrepancy" between epub/kepub. For example, the H2O does but the KA1 doesn't.

ETA: I should also add that this option is not going to work on books which are DRM-locked - at least I don't think so.

Last edited by jackie_w; 12-23-2017 at 10:21 AM. Reason: ETA
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