diff --git a/reference/html/intro.html b/reference/html/intro.html
index be6bf131..95e671aa 100644
--- a/reference/html/intro.html
+++ b/reference/html/intro.html
@@ -128,7 +128,7 @@ also provides client-side load-balancing via integration with Spring Cloud LoadB
 </div>
 <script type="text/javascript" src="js/tocbot/tocbot.min.js"></script>
 <script type="text/javascript" src="js/toc.js"></script>
-<link rel="stylesheet" href="js/highlight/styles/atom-one-dark-reasonable.min.css">
+<link rel="stylesheet" href="js/highlight/styles/github.min.css">
 <script src="js/highlight/highlight.min.js"></script>
 <script>hljs.initHighlighting()</script>
 </body>
diff --git a/reference/html/sagan-index.html b/reference/html/sagan-index.html
index 8529e78b..8488cdc2 100644
--- a/reference/html/sagan-index.html
+++ b/reference/html/sagan-index.html
@@ -185,7 +185,7 @@ public class Application {
 </div>
 <script type="text/javascript" src="js/tocbot/tocbot.min.js"></script>
 <script type="text/javascript" src="js/toc.js"></script>
-<link rel="stylesheet" href="js/highlight/styles/atom-one-dark-reasonable.min.css">
+<link rel="stylesheet" href="js/highlight/styles/github.min.css">
 <script src="js/highlight/highlight.min.js"></script>
 <script>hljs.initHighlighting()</script>
 </body>