Originally Posted by Jellby
I'm still waiting for the day when ebook readers allow user-specific CSS files. So, even if a book has hard-coded justification and a particular font, the user can override the CSS and use his own font instead, just like web browsers do.
I know that it is not available on all platforms, but CoolReader 3 does just that. CR3 has configuration settings that allow the user to ignore the EPUB CSS and substitute their own CSS.