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<!DOCTYPE html>
<html lang="en">
<meta charset="utf-8">
<title>Reference: HTML attribute names are ASCII-case-insensitive</title>
<style>
div {
color: green;
}
</style>
<div>This should be green.</div>
<div>This should be green.</div>
<div>This should be green.</div>
<div>This should be green.</div>
<div>This should be green.</div>
<div>This should be green.</div>
<div>This should be green.</div>
<div>This should be green.</div>
<div>This should be green.</div>