<header> for headers
The header element marks the header of a section. The header element cannot be a descendent of the address or footer element.
<!DOCTYPE HTML>
<html>
<head>
<title>Example</title>
<style>
header { background:transparent; color:red;}
</style>
</head>
<body>
<header>
<hgroup>
<h1>H1</h1>
<h2>H2</h2>
</hgroup>
</header>
<section>
<header>
<hgroup>
<h1>H1</h1>
<h2>H2</h2>
</hgroup>
</header>
<p>This is a text.</p>
<section>
<p>This is a text.</p>
<section>
<h1>H1</h1>
<p>This is a text.</p>
</section>
</section>
</section>
<section>
<header>
<h1>H1</h1>
</header>
<section>
<p>This is a text.</p>
<h1>H1</h1>
<p>This is a text.</p>
<section>
<h1>H1</h1>
<p>This is a text.</p>
</section>
</section>
</section>
<footer id="mainFooter">
<p>This is a text.</p>
</footer>
</body>
</html>