[Tex2002ans]

Originally Posted by hobnail

I also have to go through the original CSS and find what class they're using for italic when they're using spans instead of i or em tags and add it to that italic class.

Or use "Diap's Editing Toolbag" (Calibre) or "TagMechanic" (Sigil) to reliably convert <span class="italics"> to <i> or <em>.