Raw File
fieldset-with-valid-and-invalid.html
<!DOCTYPE html>
<!-- fieldset with invalid and valid elements -->
<html>
  <head>
    <style>
      fieldset:invalid { display: none; }
    </style>
  </head>
  <body>
    <fieldset>
      <input id='i' value='foo'>
      <input required>
    <fieldset/>
  <body>
<html>
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