HTML & CSS Technics

HTML Defaul
<!DOCTYPE html>
<html lang="ja">
    <head>
        <meta charset="utf-8">
        <meta name="viewport" content="initial-scale=1.0, user-scalable=no" />
        <title></title>
        <link ref="stylesheet" href="style.css">
        <script type="module" href="script.js"></script>
    </head>
    <body>
        <header>
        </header>
        <div class="main">
        </div>
        <footer>
        </footer>
    </body>
</html>