<!doctype html>
<html>
  <head>
    <style>
      iframe {
        position: fixed;
        top: 0px;
        bottom: 0px;
        left: 0px;
        right: 0px;
        width: 100%;
        height: 100%;
        border: none;
        margin: 0;
      }
    </style>
  </head>
  <body>
    <iframe src="test_web_input_editing.html" id="fs_iframe"></iframe>
  </body>
</html>
