<a href="#">TIKLA</a>
<p>W3TR</p>
<p>W3TR</p>
a{display: inline-block; background: #00FF99; padding:20px; border-bottom:4px solid #00CC00; color:#00CC99; text-decoration:none; margin-bottom:20px;}
p{font-size:30px; color:red;}
$("a").click(function(){
$("p").wrapInner("<strong></strong>");
});
This Pen doesn't use any external CSS resources.