a gold background
... that the use of a gold background has been prevalent for some types of art from Europe to Japan?
... that the use of <b id="mwCJQ"><a href="./Gold_ground" id="mwCJU" rel="mw:WikiLink" title="Gold ground">a gold background</a></b> <i id="mwCJY">(example pictured)</i> has been prevalent for some types of art from Europe to Japan?