diff --git a/www/code/inner.html b/www/code/inner.html
index 36d5911ee..0ef693f1c 100644
--- a/www/code/inner.html
+++ b/www/code/inner.html
@@ -78,7 +78,7 @@
             overflow: auto;
             display: inline-block;
             height: 100%;
-            border: 1px solid black;
+            border-left: 1px solid black;
             box-sizing: border-box;
             font-family: Calibri,Ubuntu,sans-serif;
         }