diff --git a/lib/site_template/_sass/_syntax-highlighting.scss b/lib/site_template/_sass/_syntax-highlighting.scss
index e36627da..8fac5977 100644
--- a/lib/site_template/_sass/_syntax-highlighting.scss
+++ b/lib/site_template/_sass/_syntax-highlighting.scss
@@ -5,6 +5,10 @@
     background: #fff;
     @extend %vertical-rhythm;
 
+    .highlighter-rouge & {
+      background: #eef;
+    }
+
     .c     { color: #998; font-style: italic } // Comment
     .err   { color: #a61717; background-color: #e3d2d2 } // Error
     .k     { font-weight: bold } // Keyword