--seed--

--seed-contents--

<html>
  <body>
  </body>
</html>

body {
  background: green;
}

var x = 'y';

::id{#html-key}

<html>
  <body>
  </body>
</html>

body {
--fcc-editable-region--
  background: white;
--fcc-editable-region--
}

var x = 'y';