<!DOCTYPE html>
<html>
<head>
<title>TODO supply a title</title>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<script type="text/javascript" src="aula03.js"></script>
</head>
<body>
<div id="teste">
<p>TODO write content</p>
</div>
</body>
</html>
script:
$('document').ready(
function() {
$('*').css("color", "red");
});