diff --git a/layout/_partial/head.ejs b/layout/_partial/head.ejs
index 889c8317..03c9ad9e 100644
--- a/layout/_partial/head.ejs
+++ b/layout/_partial/head.ejs
@@ -56,3 +56,5 @@ if (is_archive()){
 <% } %> 
 
 <%- theme.slotHead %>
+
+<link rel="stylesheet"  href="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.8.0/styles/atom-one-dark.min.css">