From 5b8290dfa3982e029c84b888a8ba493d7a718c3a Mon Sep 17 00:00:00 2001
From: Andreas Kling <kling@serenityos.org>
Date: Mon, 14 Mar 2022 21:39:33 +0100
Subject: [PATCH] LibWeb: Invalidate document style after Node.insertBefore()

---
 Userland/Libraries/LibWeb/DOM/Node.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Userland/Libraries/LibWeb/DOM/Node.cpp b/Userland/Libraries/LibWeb/DOM/Node.cpp
index 84c80187b8..c55999285a 100644
--- a/Userland/Libraries/LibWeb/DOM/Node.cpp
+++ b/Userland/Libraries/LibWeb/DOM/Node.cpp
@@ -334,6 +334,8 @@ void Node::insert_before(NonnullRefPtr<Node> node, RefPtr<Node> child, bool supp
     }
 
     children_changed();
+
+    document().invalidate_style();
 }
 
 // https://dom.spec.whatwg.org/#concept-node-pre-insert