| <?xml version="1.0" encoding="utf-8"?> | 
 | <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"> | 
 | <html xmlns="http://www.w3.org/1999/xhtml"> | 
 |  <head> | 
 |   <title>CSS Test: Selectors: Attribute selectors: Substring matching with the universal selector</title> | 
 |   <link rel="author" title="Gabriele Romanato" href="mailto:gabriele.romanato@gmail.com" /> | 
 |   <link rel="help" href="http://www.w3.org/TR/CSS21/selector.html#attribute-selectors" /> | 
 |   <link rel="match" href="attribute-ref.xht"/> | 
 |   <meta name="assert" content="Browsers should apply each rule to the elements which have an hyphen-separated list of attribute values"/> | 
 | <style type="text/css"> | 
 | [id|="foo"] {color: purple} | 
 | [class|="foo"] {color: black} | 
 | *[lang|="en"] {color: blue} | 
 |  | 
 | </style> | 
 |  </head> | 
 |  <body> | 
 | <p id="foo-moo">This text should be purple.</p> | 
 | <div class="foo-moo-too">This text should be black.</div> | 
 | <h4 lang="en-us">This text should be blue.</h4> | 
 |  </body> | 
 | </html> |