代码示例：（标识：css_ex_pagination_active）
<!DOCTYPE html>
<html>
<head>
<style>
.pagination {
display: inline-block;
}
.pagination a {
color: black;
float: left;
padding: 8px 16px;
text-decoration: none;
}
.pagination a.active {
background-color: #4CAF50;
color: white;
}
.pagination a:hover:not(.active) {background-color: #ddd;}
</style>
</head>
<body>
<h1>活动的可悬停分页</h1>
<p>请把鼠标移动到数字上：</p>
<div class="pagination">
<a href="#">«</a>
<a href="#">1</a>
<a class="active" href="#">2</a>
<a href="#">3</a>
<a href="#">4</a>
<a href="#">5</a>
<a href="#">6</a>
<a href="#">»</a>
</div>
</body>
</html>
