readium/readium-shared-js — pull request #9 by dmitrym0 (2014-01-13 23:25:46+00:00)
Title: Allow the CSS URL for annotations to be set via reader_views updateSettings functionality.

The CSS can be set with annotationCSSUrl key:

readium.reader.updateSettings({'annotationCSSUrl': '/asdfasdf/'})

Note this only works on the next iframe load.