diff --git a/_config.ts b/_config.ts
index 3f00033..9031f1c 100644
--- a/_config.ts
+++ b/_config.ts
@@ -56,6 +56,12 @@ site.use(code_highlight({
     javascript: lang_javascript,
     bash: lang_bash,
   },
+  options: {
+    noHighlightRe: /^no-highlight$/i,
+    languageDetectRe: /\blanguage-([\w-]+)\b/i,
+    classPrefix: "hljs-",
+    cssSelector: "pre code",
+  },
 }));
 site.use(toc({
   slugify: {