diff --git a/css/index.css b/css/index.css
index 6d3bbfc..f2c3d74 100644
--- a/css/index.css
+++ b/css/index.css
@@ -93,6 +93,8 @@ pre {
 }
 code {
   word-break: break-all;
+  color: #eee;
+  background-color: #C0C0C0;;
 }
 .highlight-line {
   display: block;