【background】
<!DOCTYPE html>
<html>
<head>
<style type='text/css'>
div {
padding: 20px;
}
</style>
<script type='text/javascript'>
window.onload=function(){
document.getElementById('styling').style.backgroundColor = "#FFFF00";
}
</script>
</head>
<body>
<div>
<span id="styling">HelloHowAreyou</span>
</div>
</body>
</html>
