Blank page

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="utf-8">
    <title>title</title>
    <link rel="stylesheet" href="style.css">
    <script src="script.js"></script>
  </head>
  <body>
   <iframe src="https://vkvideo.ru/video_ext.php?oid=1200543&id=155246102&hash=aeb0a21bd955908c&autoplay=1" width="426" height="240" allow="autoplay; encrypted-media; fullscreen; picture-in-picture; screen-wake-lock;" frameborder="0" allowfullscreen></iframe>
  </body>
</html>