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Selectors/header

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:header

Matches all elements that are headers, like h1, h2, h3 and so on.
Examples:

Adds a background and text color to all the headers on the page.

$(":header").css({ background:'#CCC', color:'blue' });

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" 
                    "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
  <script src="http://code.jquery.com/jquery-latest.js"></script>
  
  <script>
  $(document).ready(function(){
    $(":header").css({ background:'#CCC', color:'blue' });
  });
  </script>
  <style>
  body { font-size: 10px; font-family: Arial; } 
  h1, h2 { margin: 3px 0; }
  </style>
</head>
<body>
  <h1>Header 1</h1>
  <p>Contents 1</p>
  <h2>Header 2</h2>
  <p>Contents 2</p>
</body>
</html>

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