hello world html
<!DOCTYPE html>
<html>
<head>
<!-- Required meta tags -->
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<!-- CSS goes here -->
<link></link>
<title>Hello, world!</title>
</head>
<body>
<h1>Hello, world!</h1>
<!-- JS goes here -->
<script></script>
</body>
</html>