diff --git a/reference/html/README.html b/reference/html/README.html
index 86f59fffc..05718a5cf 100644
--- a/reference/html/README.html
+++ b/reference/html/README.html
@@ -1732,7 +1732,7 @@ Remember to set the <code>Scan Scope</code> to <code>All sources</code> since we
 </div>
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 <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/appendix.html b/reference/html/appendix.html
index 329c1bf29..bc20c3128 100644
--- a/reference/html/appendix.html
+++ b/reference/html/appendix.html
@@ -490,7 +490,7 @@ Also, you can define your own properties.
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-<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/features.html b/reference/html/features.html
index 73c2d0185..f39f339ee 100644
--- a/reference/html/features.html
+++ b/reference/html/features.html
@@ -269,7 +269,7 @@ We&#8217;ve converted the MDC entries from B3 to non B3 keys (e.g. <code>X-B3-Tr
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 <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/index.html b/reference/html/index.html
index 8f15a83ff..cccec3ea0 100644
--- a/reference/html/index.html
+++ b/reference/html/index.html
@@ -3707,7 +3707,7 @@ and order some beers. Then check Zipkin for traces.</p>
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-<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/intro.html b/reference/html/intro.html
index 8caf4dda6..78b4dc0b3 100644
--- a/reference/html/intro.html
+++ b/reference/html/intro.html
@@ -1015,7 +1015,7 @@ Sleuth and Zipkin <a href="https://content.pivotal.io/springone-platform-2017/di
 </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-boot.html b/reference/html/sagan-boot.html
index 582856f26..942938e11 100644
--- a/reference/html/sagan-boot.html
+++ b/reference/html/sagan-boot.html
@@ -210,7 +210,7 @@ public class Application {
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-<link rel="stylesheet" href="js/highlight/styles/atom-one-dark-reasonable.min.css">
+<link rel="stylesheet" href="js/highlight/styles/github.min.css">
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 <script>hljs.initHighlighting()</script>
 </body>
diff --git a/reference/html/sagan-index.html b/reference/html/sagan-index.html
index 6a3ef492c..0709c7e8d 100644
--- a/reference/html/sagan-index.html
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@@ -156,7 +156,7 @@ $(globalSwitch);
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 <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/spring-cloud-sleuth.html b/reference/html/spring-cloud-sleuth.html
index 8f15a83ff..cccec3ea0 100644
--- a/reference/html/spring-cloud-sleuth.html
+++ b/reference/html/spring-cloud-sleuth.html
@@ -3707,7 +3707,7 @@ and order some beers. Then check Zipkin for traces.</p>
 </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>