Originally Posted by Jellby
"background-image" is not in the list of supported CSS properties in ePub 2.0.1. The other method (selectively disabling with "display: none") would work.
My bad. I forgot that EPUB doesn't even support all of CSS 1.0. I swear, every time I work with this stuff, it makes me feel like it's 1996 all over again, and I'm developing code for Netscape 2.0 while trying to maintain backwards compatibility with Netscape Mosaic 0.9b3 and lynx.