<!DOCTYPE html>
<html>
<body>
<h1>The video poster attribute</h1>
<video width="320" height="240" poster="https://horje.com/avatar.png" controls>
<source src="https://www.sample-videos.com/video321/mp4/240/big_buck_bunny_240p_30mb.mp4" type="video/mp4">
<source src="https://www.sample-videos.com/video321/mp4/240/big_buck_bunny_240p_30mb.mp4" type="video/ogg">
Your browser does not support the video tag.
</video>
</body>
</html>