diff --git a/css/skeleton.css b/css/skeleton.css
index f28bf6c..8fc8a89 100644
--- a/css/skeleton.css
+++ b/css/skeleton.css
@@ -317,7 +317,8 @@ code {
 pre > code {
   display: block;
   padding: 1rem 1.5rem;
-  white-space: pre; }
+  white-space: pre;
+  overflow-x: scroll; }
 
 
 /* Tables