Originally Posted by Zenthor
Most of my EPub>Mobi>Kindle 3 files have large left margin. I have seen this problem listed in these forms, but unless I have missed a post, I do not yet see a solution.
The solution is to edit the margins in the epub prior to conversion. You can use Sigil for this or the Tweak epub feature built into calibre ans a editor like notepad++ to adjust the margins in the css file.