Focus indicator styles #1065
Description
As similarly discussed for Omeka S, Seasons, Center Row, Freedom, Lively, and Thanks, Roy override system focus outlines. Higher-level guidance from WCAG 2.2 dictates that focus indicators, if overriding user agent styles, should have at least 2px perimeters. Currently, these themes utilize thin outlines that fall short of this guidance, and in some cases, have pretty low visibility.