/* Readium CSS
   Font optical sizing pref

   A submodule managing font optical sizing for user settings
   Part of “User Overrides” class – no flag required.

   Repo: https://github.com/readium/css */

:root[style*="--USER__fontOpticalSizing"] body {
  font-optical-sizing: var(--USER__fontOpticalSizing) !important;
}