Ticket #30069: 30069.patch

wp-content/themes/twentyfifteen/style.css

@@ -956 +956 @@
 }
 
 .post-navigation .has-post-thumbnail a:before {
-        background-color: rgba(0, 0, 0, 0.3);
+        background-color: rgba(0, 0, 0, 0.4);
         content: "";
         display: block;
         height: 100%;