<!doctype html>
<html lang="en">
  <head>
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    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">

    <!-- Bootstrap CSS -->
    <link href="<https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css>" rel="stylesheet">

    <title>Hello, world!</title>
  </head>
  <body>
    <!-- 기본 UI -->
    <!-- Bootstrap4에 비해 jquery 없음 -->
    <!-- 한국 홈페이지는 들어가지 말것, class 이름 다름 -->
    <h1>hello world</h1>

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  </body>
</html>