<!DOCTYPE html>
<html>
<head>
<style type='text/css'>
.nav a {
display: inline-block;
position: relative;
border-right: 2px solid #FFDB58;
padding-right: 25px;
padding-left: 25px;
text-decoration: none;
}
.nav li:last-child a {
border: 2;
}
</style>
</head>
<body>
<ul class="nav">
<li><a href="link1.html">1</a></li>
<li><a href="linke2.html">2</a></li>
<li><a href="link3.html">3</a></li>
<li><a href="link4.html">4</a></li>
<li><a href="link5.pdf">5</a></li>
<li><a href="link6.html">6</a></li>
</ul>
</body>
</html>
【a】
