<html>
<head>
<script src="https://libs.baidu.com/jquery/1.10.2/jquery.min.js">
</script>
<script>
$(document).ready(function(){
$(".btn1").click(function(){
$("body").animate({
backgroundPositionX:"+=100px",
backgroundPositionY:"+=200px"
});
});
$(".btn2").click(function(){
$("body").animate({
backgroundPositionX:"0px",
backgroundPositionY:"0px"
});
});
});
</script>
</head>
<body style="background-image:url(/static/images/w3jquery.gif);background-repeat:no-repeat;position:fixed;">
<button class="btn1">Animate</button>
<button class="btn2">Reset</button>
</body>
</html>