<body>

<h1>this is a heading</h1>

<p>this is a paragraph.</p>

<a href="https://pl-pl.facebook.com">visit facebook</a>

<br/><br/>

<img src="something.jpg" alt="to jest cos">

<video width="320" height="240" controls>

<source src="trailer.mp4" type="video/mp4"

</video>

<br/>

<audio controls>

<source src="joplin.mp3" type="audio/mpeg">

</audio>

</body>