CodePen Embed - Internal CSS

<head>
<style>
body {background-color:lightgrey}
h1   {color:blue}
p    {color:green}
</style>
</head>
<body>

<h1>Tiêu đề h1</h1>
<p>Đây là một đoạn văn.</p>

</body>

This Pen is owned by Nguyễn Duy Hiếu on CodePen.

See more by @hieu3210 on CodePen

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

This Pen doesn't use any external JavaScript resources.