<!DOCTYPE html>
<html lang="en-US">
<head>
<style>
a::after{
content: " - click here";
}
a{
display: block;
margin:10px;
}
</style>
</head>
<body>
<h1>CSS ::after Selector</h1>
<a href="/css">Learn CSS</a>
<a href="/js">Learn JavaScript</a>
<a href="/jquery">Learn JQuery</a>
</body>
</html>