diff --git a/css/main.css b/css/main.css
index 0604ff755d..4f4cb4bc90 100644
--- a/css/main.css
+++ b/css/main.css
@@ -978,6 +978,7 @@ pre code {
   box-sizing: border-box;
   display: flex;
   flex-wrap: nowrap;
+  overflow-x: auto;
   list-style: none;
   margin-top: 50px;
   width: 100%;