diff --git a/exampleSite/config.toml b/exampleSite/config.toml
index fffbd03..2a8d61d 100644
--- a/exampleSite/config.toml
+++ b/exampleSite/config.toml
@@ -24,6 +24,7 @@ canonifyurls        = true                          # Turns relative urls into a
     description     = "Website Description"         # Max 160 characters show in search results
     faviconFile     = "img/fav.ico"
     highlightjs     = true                          # Syntax highlighting
+    hljsTheme       = true                          # Select highlight.js theme: https://highlightjs.org/static/demo/
     footerText      = ""                            # Text to show in footer (overrides default text)
     fadeIn          = true                          # Turn on/off the fade-in effect
 
@@ -54,4 +55,4 @@ canonifyurls        = true                          # Turns relative urls into a
 
 [[params.social]]
     url = "https://linkedin.com/"
-    icon = "linkedin"
\ No newline at end of file
+    icon = "linkedin"
diff --git a/layouts/partials/header.html b/layouts/partials/header.html
index 89ca738..c775331 100644
--- a/layouts/partials/header.html
+++ b/layouts/partials/header.html
@@ -35,7 +35,13 @@
 
 <!-- CSS -->
 {{ if .Site.Params.highlightjs }}
+{{ if .Site.Params.hljsTheme }}
+<link rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/highlight.js/9.6.0/styles/{{ .Site.Params.hljsTheme }}.min.css">
+{{ else if eq .Site.Params.themeStyle "light" }}
 <link rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/highlight.js/9.6.0/styles/default.min.css">
+{{ else }}
+<link rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/highlight.js/9.6.0/styles/tomorrow-night.min.css">
+{{ end }}
     <script src="//cdnjs.cloudflare.com/ajax/libs/highlight.js/9.6.0/highlight.min.js"></script>
     <script>hljs.initHighlightingOnLoad();</script>
 {{ end }}
@@ -84,4 +90,4 @@ crossorigin="anonymous"></script>
   <link href="{{ .RSSLink }}" rel="alternate" type="application/rss+xml" title="{{ .Site.Title }}" />
 {{ end }}
 
-</head>
\ No newline at end of file
+</head>