diff --git a/src/client/theme-default/styles/components/vp-doc.css b/src/client/theme-default/styles/components/vp-doc.css
index 29128d3a..c8c64a94 100644
--- a/src/client/theme-default/styles/components/vp-doc.css
+++ b/src/client/theme-default/styles/components/vp-doc.css
@@ -222,7 +222,7 @@
 
 .vp-doc .custom-block div[class*='language-'] code {
   font-weight: 400;
-  background-color: var(--vp-code-block-bg);
+  background-color: transparent;
 }
 
 /**