diff --git a/styles/markdown-github.css b/styles/markdown-github.css
index be03a50..7c62259 100644
--- a/styles/markdown-github.css
+++ b/styles/markdown-github.css
@@ -1147,7 +1147,7 @@
   }
   .markdown-body .highlight pre,
   .markdown-body pre {
-    background-color: #161b22;
+    background-color: #1f1f22;
   }
   .markdown-body .commit-tease-sha {
     color: #b1bac4;