<html><head><script src="https://libs.baidu.com/jquery/1.10.2/jquery.min.js"></script><script>$(document).ready(function(){ $("ul.test > li").css("border","4px double");});</script></head><body> <ul class="test"> <li>List item</li> <li>List item <ul> <li>Nested list item (will not have border)</li> </ul> </li> <li>List item</li></ul></body></html>