Структура HTML5

<!doctype html>
<html lang="en">
  <head>
    <!-- Required meta tags -->
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">

    <!-- ADD CSS HERE -->

    <title>Hello, world!</title>
  </head>
  <body>
    <h1>Hello, world!</h1>

	<!-- ADD JAVASCRIPT HERE-->
  </body>
</html>
TELLI Hichem