CSS Selector :not
Description
The negation selector lets you invert any selection. This selector is added in CSS3. It has the following format:
not(<selector>)
Example
<!DOCTYPE HTML>
<html>
<head>
<title>Example</title>
<style type="text/css">
a:not([href*="java2s"]) {
border: thin black solid;
padding: 4px;
} <!--from w w w .j ava 2s. com-->
</style>
</head>
<body>
<a href="http://java2s.com">Visit the java2s.com</a>
<a href="http://w3c.org">Visit the W3C website</a>
</body>
</html>
The code above generates the following result.