<html> <head> <script type="text/javascript" src="js/jquery-1.3.2.js"></script> <script type="text/javascript"> $(document).ready(function(){ $("*").css("border","3px solid red"); }); </script> </head> <body> <body> <div>A div</div> <button>0</button> <button>1</button> <button>2</button> <button>3</button> <span></span> </body> </html>