HTML/CSS/CSS Attributes and Javascript Style Properties/active
"active" Example
<html>
<head>
<style>
a:active { font-weight:bold; color:red }
</style>
</head>
<body>
<p>Press tab key to bring the link into focus.</p>
<a href="http://www.wbex.ru" target="_blank">wbex.ru Home Page link</a>
</body>
</html>