x
<html><head><script src="https://ajax.googleapis.com/ajax/libs/jquery/3.7.1/jquery.min.js"></script><script>$(document).ready(function(){ $("h2, div, span").css("background-color", "yellow");});</script></head><body><h1>Welcome to My Web Page</h1><h2>Nice to meet you</h2><div>Very nice indeed.</div><p>How are you?</p><p>I'm fine, <span>thanks.</span></p></body></html>