From 9caa0bda7d4028ab0ba21fd029ea9945e8c9a13c Mon Sep 17 00:00:00 2001
From: Andreas Kling <kling@serenityos.org>
Date: Thu, 27 Jul 2023 09:54:45 +0200
Subject: [PATCH] LibWeb: Don't relayout whenever a CSS transform changes

Transforms are a paint-level concept for us, so we should be okay to
only update the stacking context tree and repaint.

This makes a lot of CSS animations use way less CPU.
---
 Userland/Libraries/LibWeb/CSS/Properties.json | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Userland/Libraries/LibWeb/CSS/Properties.json b/Userland/Libraries/LibWeb/CSS/Properties.json
index 52dd5575fb..a58ba98e52 100644
--- a/Userland/Libraries/LibWeb/CSS/Properties.json
+++ b/Userland/Libraries/LibWeb/CSS/Properties.json
@@ -1978,6 +1978,7 @@
   "transform": {
     "inherited": false,
     "initial": "none",
+    "affects-layout": false,
     "affects-stacking-context": true
   },
   "transform-origin": {