<!doctype html>
<html>
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<script src="https://cdn.tailwindcss.com"></script>
<script>
tailwind.config = {
theme: {
extend: {
colors: {
clifford: '#da373d',
}
}
}
}
</script>
</head>
<body>
<h1 class="text-3xl font-bold underline text-clifford">
Hello world!
</h1>
</body>
</html>