Javascript Jquery code
want to fade in and fade out the background color on div
    $("div").focusin(function(){
        $(this).css("background-color","green"),fadein(5000);
    });
    $("div").focusout(function(){
        $(this).css("background-color","white"),fadein(5000);
    });
})
HTMl code
<div>
  first name:
  <input type="text" name="" id="" />
  last name:
  <input type="text" name="" id="" />
</div>
 
    