Збирання html та css з декількох файлів

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<link rel="icon" type="image/svg+xml" href="/favicon.svg" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/modern-normalize/2.0.0/modern-normalize.css" integrity="sha512-gA2Bvu0/hw4oj0Lp8ZHjK+o3S4BE5m8d/wNVy6ktKLhHKPpWLQwv9ixzuWirWOakoJqlBdePq2NhoCaUOQ5npQ==" crossorigin="anonymous" referrerpolicy="no-referrer" />
<link rel="preconnect" href="https://fonts.googleapis.com">
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
<link href="https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600&display=swap" rel="stylesheet">
<title>Vyshyvanka Vibes</title>
<link rel="stylesheet" href="./css/styles.css" />
</head>
<body>
<load src="partials/header.html" />
<main>
<load src="partials/hero.html" />
<load src="partials/about.html" />
<load src="partials/collection.html" />
<load src="partials/order.html" />
<load src="partials/testimonials.html" />
</main>
<load src="partials/footer.html" />
<script type="module" src="/main.js"></script>
</body>
</html>