By the way, XSLT stylesheet for transforming ePub3 Navigation Document into NCX is written by Matt Garrish who has been on ePub committee for quite a few releases now. (epubsecrets.com)
Then, once you got your built - in stylesheet in order, just turn off all publisher CSS completely and tell everybody to go and fix their fucking ebooks. (studiotendra.com)
Of course, in leu of a considered default stylesheet with thought out proportions, line - height to font size ratio, indentation, and margins, we get escalating configurability. (studiotendra.com)