resources/src/oojs-ui-local.css

   1 /* HACK: Set sane font-size for OOjs UI dialogs, in the most common case. This should be skin's
   2    responsibility, but alas our skins tend to have the weirdest font-sizes on body. This shall be
   3    removed when we make the MediaWiki skins bundled with tarball sane. (T91152) */
   4 body > .oo-ui-windowManager {
   5         font-size: 12.8px;
   6         font-size: 0.8rem;
   7 }