diff --git a/src/wp-content/themes/twentytwelve/css/blocks.css b/src/wp-content/themes/twentytwelve/css/blocks.css
index ca828eef4a..9dfa0cd6d6 100644
--- a/src/wp-content/themes/twentytwelve/css/blocks.css
+++ b/src/wp-content/themes/twentytwelve/css/blocks.css
@@ -263,6 +263,11 @@ pre.wp-block-code {
 	color: #7c7c7c;
 }
 
+.is-style-outline .wp-block-button__link,
+.is-style-outline .wp-block-button__link:visited {
+	color: currentColor;
+}
+
 .wp-block-button.is-style-outline .wp-block-button__link,
 .wp-block-button.is-style-outline .wp-block-button__link:visited {
 	background-color: inherit;