diff --git a/web/static/css/chat.css b/web/static/css/chat.css
index dbeed04..45990da 100644
--- a/web/static/css/chat.css
+++ b/web/static/css/chat.css
@@ -1,5 +1,6 @@
 html {
     height: 100vh;
+    overscroll-behavior: contain;
 }
 body {
     min-height: 100vh;