svelte/test/validator/samples/css-invalid-global-selector-6/input.svelte

<style>
	:global(.h1\,h2\,h3).foo {
		color: red;
	}
	:global(h1, h2, h3).foo {
		color: red;
	}
</style>

<div>
	<h1>hello world</h1>
</div>