$(document).ready(function() {
$('#content').addClass('ApplyColor');
});
<h1>History of jQuery </h1><br/> <div id="content"> Initially it's was released in January 2006 but the very first stable version of jQuery 1.0 was released in August 2006. This version had support for CSS, events and Ajax. After that many version of jQuery were released and latest version is jQuery 1.9. </div>