[Phpmyadmin-devel] CSS class that is common to all themes

Hey, I am working on the fix for this bug https://sourceforge.net/p/phpmyadmin/bugs/4228/ and I came up with a adhoc fix for this till the bug is fixed from the chrome end. Anyways I need to put a .css class declaration somewhere common to all themes. Could someone tell me where such a css file would be. Regards, Aditya