diff --git a/Doc/tools/sphinxext/static/basic.css b/Doc/tools/sphinxext/static/basic.css
index aeb13816d1f..897718760a6 100644
--- a/Doc/tools/sphinxext/static/basic.css
+++ b/Doc/tools/sphinxext/static/basic.css
@@ -364,6 +364,7 @@ p.deprecated {
 
 pre {
     overflow: auto;
+    overflow-y: hidden;
 }
 
 td.linenos pre {