MediaWiki theme: Add thematic border to the bottom of toolbars
MediaWiki theme: Add thematic border to the bottom of toolbars

Bug: T78085
Change-Id: Ie61484bba81241a1df14103d5784e69276d5730f

wikimedia/oojs-ui,wikimedia/oojs-ui,wikimedia/oojs-ui,wikimedia/oojs-ui