back.html

<!DOCTYPE html>
<html lang="en">
<head>
 
<style>
  .container {
  position: relative;
  overflow: hidden;
  width: 100%;
  padding-top: 100%; /* 16:9 Aspect Ratio (divide 9 by 16 = 0.5625) */
}
  .responsive-iframe {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  width: 100%;
  height: 100%;
}
    </style>
  </head>
  <body>
<div class="container">
<iframe
  class="responsive-iframe"
	src="https://omnibus-copy-proof-image.static.hf.space"
	frameborder="0"
></iframe>
</div>

  </body>
</html>