You can edit / change the code and click run button <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>animate demo</title> <style> div { background-color: red; width: 150px; border: 5px solid yellow; color:white; padding:10px } </style> <script src="../../../jquery-1.10.2.js"></script> <script>var clicky_site_ids = clicky_site_ids || []; clicky_site_ids.push(101319977);</script><script async src="//static.getclicky.com/js"></script> <button id="go">Animate me</button> <div id="block"> This is the Jquery animate demo</div> <script> // Using multiple unit types within one animation. $( "#go" ).click(function() { $( "#block" ).animate({ width: "70%", opacity: 0.4, marginLeft: "0.6in", fontSize: "3em", borderWidth: "10px" }, 1500 ); }); </script>