diff --git a/demo/kitchen-sink/demo.js b/demo/kitchen-sink/demo.js
index 27272d3c4d4..1ca1589d492 100644
--- a/demo/kitchen-sink/demo.js
+++ b/demo/kitchen-sink/demo.js
@@ -487,11 +487,78 @@ optionsPanelContainer.insertBefore(
                 env.editor.setValue(info, -1);
                 env.editor.setOption("wrap", 80);
             }}, "Show Browser Info"]],
-        devUtil.getUI()
+        devUtil.getUI(),
+        ["div", {},
+            "Open Dialog ",
+            ["button",  {onclick: openTestDialog.bind(null, false)}, "Scale"],
+            ["button",  {onclick: openTestDialog.bind(null, true)}, "Height"]
+        ]
     ]),
     optionsPanelContainer.children[1]
 );
 
+function openTestDialog(animateHeight) {
+    if (window.dialogEditor) 
+        window.dialogEditor.destroy();
+    var editor = ace.edit(null, {
+        value: "test editor", 
+        mode: "ace/mode/javascript"
+    });
+    window.dialogEditor = editor;
+
+    var dialog = dom.buildDom(["div", {
+        style: "transition: all 1s; position: fixed; z-index: 100000;"
+          + "background: darkblue; border: solid 1px black; display: flex; flex-direction: column"
+        }, 
+        ["div", {}, "test dialog"],
+        editor.container
+    ], document.body);
+    editor.container.style.flex = "1";
+    if (animateHeight) {
+        dialog.style.width = "0vw";
+        dialog.style.height = "0vh";
+        dialog.style.left = "20vw";
+        dialog.style.top = "20vh";
+        setTimeout(function() {            
+            dialog.style.width = "80vw";
+            dialog.style.height = "80vh";
+            dialog.style.left = "10vw";
+            dialog.style.top = "10vh";
+        }, 0);
+        
+    } else {
+        dialog.style.width = "80vw";
+        dialog.style.height = "80vh";
+        dialog.style.left = "10vw";
+        dialog.style.top = "10vh";
+        dialog.style.transform = "scale(0)";
+        setTimeout(function() {
+            dialog.style.transform = "scale(1)"
+        }, 0);
+    }
+    function close(e) {
+        if (!e || !dialog.contains(e.target)) {
+            if (animateHeight) {
+                dialog.style.width = "0vw";
+                dialog.style.height = "0vh";
+                dialog.style.left = "80vw";
+                dialog.style.top = "80vh";
+            } else {
+                dialog.style.transform = "scale(0)"
+            }
+            window.removeEventListener("mousedown", close);
+            dialog.addEventListener("transitionend", function() {
+                dialog.remove();
+                editor.destroy();
+            });
+        }
+    }
+    window.addEventListener("mousedown", close);
+    editor.focus()
+    editor.commands.bindKey("Esc", function() { close(); });
+}
+
+
 require("ace/ext/language_tools");
 require("ace/ext/inline_autocomplete");
 env.editor.setOptions({
diff --git a/src/css/editor.css.js b/src/css/editor.css.js
index 505545fde4f..66150be103a 100644
--- a/src/css/editor.css.js
+++ b/src/css/editor.css.js
@@ -260,7 +260,6 @@ module.exports = `
 .ace_hidpi .ace_content,
 .ace_hidpi .ace_gutter {
     contain: strict;
-    will-change: transform;
 }
 .ace_hidpi .ace_text-layer > .ace_line, 
 .ace_hidpi .ace_text-layer > .ace_line_group {