diff --git a/layouts/partials/footer.html b/layouts/partials/footer.html
index 6a4642c..8346bec 100644
--- a/layouts/partials/footer.html
+++ b/layouts/partials/footer.html
@@ -6,6 +6,11 @@
         </div>
     </div>
     {{ template "_internal/google_analytics_async.html" . }}
+
+    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/9.9.0/styles/tomorrow-night.min.css" integrity="sha256-2wL88NKUqvJi/ExflDzkzUumjUM73mcK2gBvBBeLvTk=" crossorigin="anonymous" />
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/9.9.0/highlight.min.js" integrity="sha256-KbfTjB0WZ8vvXngdpJGY3Yp3xKk+tttbqClO11anCIU=" crossorigin="anonymous"></script>
+    <script>hljs.initHighlightingOnLoad();</script>
+
     {{ if .Site.Params.Katex }}
         <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/KaTeX/0.7.1/katex.min.css" integrity="sha384-wITovz90syo1dJWVh32uuETPVEtGigN07tkttEqPv+uR2SE/mbQcG7ATL28aI9H0" crossorigin="anonymous">
         <script src="https://cdnjs.cloudflare.com/ajax/libs/KaTeX/0.7.1/katex.min.js" integrity="sha384-/y1Nn9+QQAipbNQWU65krzJralCnuOasHncUFXGkdwntGeSvQicrYkiUBwsgUqc1" crossorigin="anonymous"></script>