【rotate】
<!DOCTYPE html>
<html>
<head>
<script type='text/javascript'
src='http://code.jquery.com/jquery-1.8.3.js'></script>
<script type='text/javascript'>//<![CDATA[
$(window).load(function(){
$('body').css('transform', 'rotate(180deg)');
});//]]>
</script>
</head>
<body> Hello world!
</body>
</html>
