diff --git a/web/style.css b/web/style.css
index 67f96c9..fef88e9 100644
--- a/web/style.css
+++ b/web/style.css
@@ -14,6 +14,7 @@ body {
   background: #f0f2f5;
   color: #050505;
   line-height: 1.5;
+  scrollbar-gutter: stable;
 }
 
 .shell {