You can do so by using .css() function of jQuery.
$(function() {
$("#myAnchor").click(function() {
$("#someDiv").css("color", "yellow");
});
});
<!DOCTYPE html>
<html>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
</head>
<body>
<a href="#" id="myAnchor">Click here </a>
<div id="someDiv">
Hello World
</div>
</body>
</html>
solved I want to change the css of a page on a the click of a link [closed]