diff --git a/purgecss.config.js b/purgecss.config.js
index 4667dd1e..50199e50 100644
--- a/purgecss.config.js
+++ b/purgecss.config.js
@@ -5,5 +5,5 @@ module.exports = {
   paths: () => glob.sync([
     'source/**/*.{md,twig}'
   ]),
-  whitelistPatterns: [/hljs/, /language/]
+  whitelistPatterns: [/(code|kbd|pre|samp)/, /hljs/, /language/]
 }