<!-- 首先定义了一个id为redemption的表单 -->
<form id="redemption" method="post">
<!-- hgroup中的h1和h2用于显示标题和说明文字 -->
<hgroup>
<h1>Oscar Redemption</h1>
<h2>Here's your chance to set the record straight: tell us what
year the wrong film got nominated, and which film <b>should</b>
have received a nod...</h2>
</hgroup>
</form>
<fieldset>
<legend>About the offending film (part 1 of 3)</legend>
<div>
<label for="film">The film in question?</label>
<input id="film" name="film" type="text" placeholder="e.g. King 3
Kong" required aria-required="true" >
</div>
</fieldset>
</body>
</html>