<!DOCTYPE html>
<html>
<head>
<title>Title of the document</title>
<style>
.wrap-element {
position: relative;
overflow: hidden;
padding-top: 56.25%;
}
.wrapped-iframe {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
border: 0;
}
</style>
</head>
<body>
<div class="wrap-element">
<iframe class="wrapped-iframe" src="https://www.youtube.com/embed/UF8uR6Z6KLc" gesture="media" allow="encrypted-media" allowfullscreen></iframe>
</div>
</body>
</html>