代码示例:(标识:css_list-style-border)
<!DOCTYPE html>
<html>
<head>
<style>
ul {
  list-style-type: none;
  padding: 0;
  border: 1px solid #ddd;
}

ul li {
  padding: 8px 16px;
  border-bottom: 1px solid #ddd;
}

ul li:last-child {
  border-bottom: none
}
</style>
</head>
<body>

<p>全宽的带边框的列表:</p>
<ul>
  <li>Coffee</li>
  <li>Tea</li>
  <li>Coca Cola</li>
</ul>

</body>
</html>
运行结果: