From edbd8b22e8c8da931ba82899df0a969dccffbe3d Mon Sep 17 00:00:00 2001
From: Andreas Kling <kling@serenityos.org>
Date: Tue, 12 Oct 2021 17:53:52 +0200
Subject: [PATCH] LibWeb: Mark elements for style update after their children
 change

---
 Userland/Libraries/LibWeb/DOM/Element.cpp | 6 ++++++
 Userland/Libraries/LibWeb/DOM/Element.h   | 1 +
 2 files changed, 7 insertions(+)

diff --git a/Userland/Libraries/LibWeb/DOM/Element.cpp b/Userland/Libraries/LibWeb/DOM/Element.cpp
index 565630af33..bed9e07cfe 100644
--- a/Userland/Libraries/LibWeb/DOM/Element.cpp
+++ b/Userland/Libraries/LibWeb/DOM/Element.cpp
@@ -389,4 +389,10 @@ int Element::client_height() const
     return box.absolute_rect().height();
 }
 
+void Element::children_changed()
+{
+    Node::children_changed();
+    set_needs_style_update(true);
+}
+
 }
diff --git a/Userland/Libraries/LibWeb/DOM/Element.h b/Userland/Libraries/LibWeb/DOM/Element.h
index 49d9897da8..d23c640280 100644
--- a/Userland/Libraries/LibWeb/DOM/Element.h
+++ b/Userland/Libraries/LibWeb/DOM/Element.h
@@ -122,6 +122,7 @@ public:
 
 protected:
     RefPtr<Layout::Node> create_layout_node() override;
+    virtual void children_changed() override;
 
 private:
     Attribute* find_attribute(const FlyString& name);