要在导航栏中添加链接分隔符，请对<li>元素使用border-right属性。
<!DOCTYPE html>
<html>
<head>
<style>
ul {
list-style-type: none;
margin: 0;
padding: 0;
}
li {
float: left;
border-right: 1px solid white;
}
li a {
display: block;
padding: 8px;
background-color: orange;
}
li:last-child {
border-right: none;
}
</style>
</head>
<body>
<ul>
<li><a href = "#home">Home</a></li>
<li><a href = "#news">News</a></li>
<li><a href = "#contact">Contact</a></li>
<li><a href = "#about">About</a></li>
</ul>
</body>
</html>