Mayland: set variables for unset font-family rules

mayland/sass/_extra-child-theme.scss

@@ -291,4 +291,5 @@ a {
 .widget_jp_blogs_i_follow li,
 .widget_rss_links li {
 	font-family: inherit;
+	font-family: var( --font-base, inherit );
 }

mayland/style-rtl.css

@@ -3877,4 +3877,5 @@ strong {
 .widget_jp_blogs_i_follow li,
 .widget_rss_links li {
 	font-family: inherit;
+	font-family: var(--font-base, inherit);
 }

mayland/style.css

@@ -3906,4 +3906,5 @@ strong {
 .widget_jp_blogs_i_follow li,
 .widget_rss_links li {
 	font-family: inherit;
+	font-family: var(--font-base, inherit);
 }