diff --git a/quartz/styles/custom.scss b/quartz/styles/custom.scss
index 770fdd2..4b39f6c 100644
--- a/quartz/styles/custom.scss
+++ b/quartz/styles/custom.scss
@@ -45,7 +45,7 @@ blockquote.callout.quote {
   border: 2px solid var(--dark);
 }
 
-pre {
+pre[data-language] {
   background-color: #0C1911;
   color: #46F953;
   border: 0 none transparent;