diff --git a/reference/html/README.html b/reference/html/README.html
index f4c11243..c398780f 100644
--- a/reference/html/README.html
+++ b/reference/html/README.html
@@ -622,7 +622,7 @@ Remember to set the <code>Scan Scope</code> to <code>All sources</code> since we
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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/appendix.html b/reference/html/appendix.html
index 32ecac30..b57c97b2 100644
--- a/reference/html/appendix.html
+++ b/reference/html/appendix.html
@@ -255,7 +255,7 @@ 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>
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diff --git a/reference/html/index.html b/reference/html/index.html
index cd5d54fa..dcf552ed 100644
--- a/reference/html/index.html
+++ b/reference/html/index.html
@@ -940,7 +940,7 @@ ObjectProvider&lt;TestFeginClient&gt; testFeginClient;</code></pre>
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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>
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diff --git a/reference/html/intro.html b/reference/html/intro.html
index ab345752..8bcd95ff 100644
--- a/reference/html/intro.html
+++ b/reference/html/intro.html
@@ -124,7 +124,7 @@ and binding to the Spring Environment and other Spring programming model idioms.
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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>
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diff --git a/reference/html/sagan-boot.html b/reference/html/sagan-boot.html
index d088589e..fc29fad9 100644
--- a/reference/html/sagan-boot.html
+++ b/reference/html/sagan-boot.html
@@ -117,7 +117,7 @@ $(globalSwitch);
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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>
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diff --git a/reference/html/sagan-index.html b/reference/html/sagan-index.html
index 924b2476..e0205f50 100644
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@@ -165,7 +165,7 @@ public class WebApplication {
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+<link rel="stylesheet" href="js/highlight/styles/github.min.css">
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diff --git a/reference/html/spring-cloud-openfeign.html b/reference/html/spring-cloud-openfeign.html
index cd5d54fa..dcf552ed 100644
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@@ -940,7 +940,7 @@ ObjectProvider&lt;TestFeginClient&gt; testFeginClient;</code></pre>
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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>