Tryit Editor v1.8

Source Code:

<!DOCTYPE html>
<html>
<head>
<script src="//ajax.googleapis.com/ajax/libs/jquery/1.9.1/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(/images/w3jquery.gif);background-repeat:no-repeat;position:fixed;">

<button class="btn1">Animate</button>
<button class="btn2">Reset</button>

</body>
</html>

Result:

W3Schools.com - Try it yourself

Edit the code above and click "Submit Code" to see the result.