<!DOCTYPE html>
<style>
#container {
width: 100px;
height: 100px;
background: green;
}
</style>
<div id="container">
</div>
This test verifies changing CSS containment correctly invalidates layout.
<!DOCTYPE html>
<style>
#container {
width: 100px;
height: 100px;
background: green;
}
</style>
<div id="container">
</div>
This test verifies changing CSS containment correctly invalidates layout.