diff --git a/css/styles.css b/css/styles.css
index 23384d5..b1fcd42 100644
--- a/css/styles.css
+++ b/css/styles.css
@@ -13,7 +13,7 @@ html {
 }
 pre code {
   color: #fff;
-  background-color: #ccc;
+  background-color: #aaa;
   border: 1px solid #999;
   display: block;
   padding: 5px;