Stow: update _extra-child-theme

stow/sass/_extra-child-theme.scss

@@ -265,7 +265,8 @@ a {
 	border: 1px solid #f2f2f2;
 	padding: #{map-deep-get($config-global, "spacing", "horizontal")};;
 	p {
-		font-family: #{map-deep-get($config-global, "font", "family", "secondary")};
+		font-family: #{map-deep-get($config-global, "font", "family", "secondary")}; // For browsers without CSS custom properties support.
+		font-family: var( --font-base, #{map-deep-get($config-global, "font", "family", "secondary")} );
 	}
 	cite {
 		color: #{map-deep-get($config-global, "color", "secondary", "default")};
@@ -325,7 +326,8 @@ a {
  */
 .wp-block-latest-comments {
 	.wp-block-latest-comments__comment-meta {
-		font-family: #{map-deep-get($config-global, "font", "family", "secondary")};
+		font-family: #{map-deep-get($config-global, "font", "family", "secondary")}; // For browsers without CSS custom properties support.
+		font-family: var( --font-base, #{map-deep-get($config-global, "font", "family", "secondary")} );
 		.wp-block-latest-comments__comment-date {
 			font-size: #{map-deep-get($config-global, "font", "size", "xs")};
 		}

stow/style-rtl.css

@@ -3837,6 +3837,7 @@ a {
 .wp-block-quote[style*="text-align:center"] p,
 .wp-block-quote[style*="text-align:right"] p {
 	font-family: "Source Sans Pro", Arial, sans-serif;
+	font-family: var(--font-base, "Source Sans Pro", Arial, sans-serif);
 }
 
 .wp-block-quote cite,
@@ -3902,6 +3903,7 @@ a {
  */
 .wp-block-latest-comments .wp-block-latest-comments__comment-meta {
 	font-family: "Source Sans Pro", Arial, sans-serif;
+	font-family: var(--font-base, "Source Sans Pro", Arial, sans-serif);
 }
 
 .wp-block-latest-comments .wp-block-latest-comments__comment-meta .wp-block-latest-comments__comment-date {

stow/style.css

@@ -3866,6 +3866,7 @@ a {
 .wp-block-quote[style*="text-align:center"] p,
 .wp-block-quote[style*="text-align:right"] p {
 	font-family: "Source Sans Pro", Arial, sans-serif;
+	font-family: var(--font-base, "Source Sans Pro", Arial, sans-serif);
 }
 
 .wp-block-quote cite,
@@ -3931,6 +3932,7 @@ a {
  */
 .wp-block-latest-comments .wp-block-latest-comments__comment-meta {
 	font-family: "Source Sans Pro", Arial, sans-serif;
+	font-family: var(--font-base, "Source Sans Pro", Arial, sans-serif);
 }
 
 .wp-block-latest-comments .wp-block-latest-comments__comment-meta .wp-block-latest-comments__comment-date {