diff --git a/css/main.css b/css/main.css
index c9641af..b1b25fa 100644
--- a/css/main.css
+++ b/css/main.css
@@ -584,3 +584,16 @@ table tr th :last-child,
 table tr td :last-child {
   margin-bottom: 0;
 }
+
+/* --- Code blocks --- */
+
+pre {
+  font-size: 16px;
+  line-height: 1.5em;
+  background: #FAFAFA;
+  background-image: linear-gradient(#FAFAFA 50%, #FDFDFD 50%);
+  background-position: 0px 10px;
+  background-repeat: repeat;
+  background-size: 3em 3em;
+  border-left: 7px solid #444;
+}
\ No newline at end of file
diff --git a/css/pygment_highlights.css b/css/pygment_highlights.css
index 1c8b8ef..3904a9c 100644
--- a/css/pygment_highlights.css
+++ b/css/pygment_highlights.css
@@ -1,4 +1,4 @@
-.highlight  { background: #ffffff; }
+/* .highlight  { background: #ffffff; } Dean commented out */
 .highlight pre { background-color: #fff; font-size: 16px }
 .highlight .c { color: #999988; font-style: italic } /* Comment */
 .highlight .err { color: #a61717; background-color: #e3d2d2 } /* Error */