screensaver

<!DOCTYPE html>
<html>
<head>
</head>
<style>
body{
    overflow: hidden;
}
</style>
<body bgcolor="black">
<marquee behavior="alternate" direction="up" height="1080" margin="0" padding="0" scrollamount="800">
    <marquee behavior="alternate" width="1920" margin="0" padding="0" scrollamount="800">
        <img src="https://i.ytimg.com/vi/_-81xaXRsk8/maxresdefault.jpg" style="width:150px;height:100px;">
    </marquee>
</marquee>
</body>
</html>