From 16980cd3031b37222db99788907d3cc6119a8b8b Mon Sep 17 00:00:00 2001
From: alschmiedt <aschmiedt@google.com>
Date: Thu, 17 Sep 2020 11:57:24 -0700
Subject: [PATCH] Fixes problem with dropdown scroll (#4287)

---
 core/css.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/core/css.js b/core/css.js
index cc8c28279..fb2124684 100644
--- a/core/css.js
+++ b/core/css.js
@@ -168,6 +168,7 @@ Blockly.Css.CONTENT = [
     'max-height: 300px;', // @todo: spec for maximum height.
     'overflow: auto;',
     'overflow-x: hidden;',
+    'position: relative;',
   '}',
 
   '.blocklyDropDownArrow {',