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HTML

              
                <h3>Arrange the boxes in order with the help of blank box, in time ;)</h3>
<div class="mainBox">
    	<div class="box" id="id_0"></div>
        <div class="box" id="id_1"></div>
        <div class="box" id="id_2"></div>
        <div class="box" id="id_3"></div>
        <div class="box" id="id_4"></div>
        <div class="box" id="id_5"></div>
        <div class="box" id="id_6"></div>
        <div class="box" id="id_7"></div>
        <div class="box" id="id_8"></div>
        <div class="box" id="id_9"></div>
        <div class="box" id="id_10"></div>
        <div class="box" id="id_11"></div>
        <div class="box" id="id_12"></div>
        <div class="box" id="id_13"></div>
        <div class="box" id="id_14"></div>
        <div class="activeBox" id="id_15"></div>
        	
    </div>
<div id="timeLeft">
  <div>
    <span class="minutes"></span>
    <div class="smalltext">Minutes</div>
    <h5>Time</h5>
  </div>
  <div>
    <span class="seconds"></span>
    <div class="smalltext">Seconds</div>
    <h5>Left</h5>
  </div>
  <div id="demoPic"></div>
</div>

              
            
!

CSS

              
                body {
  background: none repeat scroll 0 0 #7FCA74;
  width: 100%;
  font-family: "Arial Narrow", Arial;
}
.mainBox {
  background: none repeat scroll 0 0 #EEEEEE;
  height: 398px;
  width: 397px;
  margin: 0 auto;
  padding-left: 3px;
  padding-top: 3px;
  border: 1px solid #dddddd;
  -webkit-box-shadow: 5px 5px 10px 3px rgba(0, 0, 0, 0.75);
  -moz-box-shadow: 5px 5px 10px 3px rgba(0, 0, 0, 0.75);
  box-shadow: 5px 5px 10px 3px rgba(0, 0, 0, 0.75);
  background: none repeat scroll 0 0 #EEEEEE;
    height: 499px;
    width: 500px;
    margin: 0 auto;
    padding-left: 3px;
    padding-top: 3px;
    border: 1px solid #dddddd;
}

.box {
  background-image: url(https://s3-ap-southeast-1.amazonaws.com/dearsaiftest/cats.jpg) !important;
    border-radius: 10px;
    border: 1px solid #72726E;
    float: left;
    font-family: arial, "Comic Sans MS", cursive;
    font-size: 57pt;
    height: 103px;
    margin-bottom: 2px;
    margin-left: 1px;
    margin-right: 1px;
    text-align: center;
    width: 120px;
    color: #34452C;
    padding-top: 17px;
}

.activeBox {
  background: #34452c;
  background-image: none;
    border-radius: 10px;
    border: 1px solid #72726E;
    float: left;
    height: 120px;
    width: 120px;
    margin: 1px;
}

.clickable {
  background: #ccc;
  border-radius: 10px;
  border: 1px solid #72726E;
  cursor: pointer;
}

.clickable:hover {
  background: #34452c;
  color: #FFF;
}

.note {
  background-color: #C3D4BB;
  font-family: Arial, Helvetica;
  font-size: 10pt;
  padding: 5px 5px 10px;
  text-align: center;
  width: 39%;
  font-weight: 100;
  font-size: 40px;
  margin: 40px 0px 20px;
}

#timeLeft{
	color: #fff;
	display: table;
	font-weight: 100;
	text-align: center;
	font-size: 30px;
  margin: 25px auto;
  
}

#timeLeft > div{
	padding: 10px;
	border-radius: 3px;
	background: #caf7c4;
  color: #000;
	display: table-cell;
  border: 1px solid #bbb;
}

#timeLeft div > span{
	padding: 15px;
	color: #fff;
	border-radius: 3px;
	background: #34452c;
	display: inline-block;
}

.smalltext{
	padding-top: 5px;
	font-size: 16px;
}
h3,h5{
  margin: 10px;
  color: #34452c;
  text-align: center;
}
#demoPic{
  margin-left: 10px !important;
  background-image: url(https://s3-ap-southeast-1.amazonaws.com/dearsaiftest/cats.jpg) !important;
  background-size: 155px !important;
    background-repeat: no-repeat !important;
  height: 150px;
  width: 155px; 
  padding: 0 !important;
}
              
            
!

JS

              
                var number = new Array();
var init_number = new Array();
putValue();
var active = 15;
init(active);
var deadline = new Date(Date.parse(new Date()) + 5 * 60 * 1000);
		//alert(init_number[0]);
		function init(idN) {
			idN = parseInt(idN)
			$('.clickable').removeClass('clickable');
			if(idN!=3 && idN!=7 && idN!=11)
			{
				click1 = idN+1;
				click1 = '#id_'+click1;
				$(click1).addClass('clickable');
			}
			if(idN!=4 && idN!=8 && idN!=12)
			{
				click2 = idN-1;
				click2 = '#id_'+click2;
				$(click2).addClass('clickable');
			}
			click3 = idN+4;
			click3 = '#id_'+click3;
			$(click3).addClass('clickable');
			click4 = idN-4;
			click4 = '#id_'+click4;
			$(click4).addClass('clickable');
			//alert(idN);
		}
		$(".mainBox").delegate(".clickable", "click", function(){ 
			var idNo = $(this).attr('id');
			idNo = idNo.split("_");
			active = toggle(idNo[1],active,number);
			init(idNo[1]);
			result(number);
		});


		
		$('body').keyup(function(e){
			if(e.keyCode == 37 || e.keyCode == 38 || e.keyCode == 39 || e.keyCode == 40)
			{
				
					if(e.keyCode == 37){
						
						if(active!=15 && active!=11 && active!=7 && active!=3)
							{
								active = active + 1;
								active = toggle(active,active-1,number);
								init(active);
							}
						}
					if(e.keyCode == 39){
						
						if(active!=12 && active!=8 && active!=4 && active!=0)
							{
								active = active - 1;
								active = toggle(active,active+1,number);
								init(active);
							}
						}
					if(e.keyCode == 38){
						if(active!=12 && active!=13 && active!=14 && active!=15)
							{
								active = active + 4;
								active = toggle(active,active-4,number);
								init(active);
							}
						}
					if(e.keyCode == 40){
						if(active!=0 && active!=1 && active!=2 && active!=3)
							{
								active = active - 4;
								active = toggle(active,active+4,number);
								init(active);
							}
						}
			
			result(number);
			}
			});

	
		function result(number){
				
				
				var number_init = [15];
				var x=0,y=0;
				for(i=0;i<=14;i++){
					number_init[i]=x+","+y;
					if(i!=3 && i!=7 && i!=11)
					{
						x = x - 125;
					}else{
						x=0;
						y= y - 125;
					}
				}
				if(number.length==16)
					 {
					 //number.splice(15, 1);//number.pop();
					number_init[15] = number[15];
					 }
				//alert(number);
				number1=number.toString();
				number_init1=number_init.toString();
				if(number1===number_init1)
				{
					alert("CONGRATULATIONS! You won. Start a New Game.");
					//location.reload();
          var deadline = new Date(Date.parse(new Date()) + 5 * 60 * 1000);
initializeClock('timeLeft', deadline);
      putValue();
      var active = 15;
      init(active);
				}
				
		}
		function toggle(ID,active,number){
				$('#id_'+ID+'').removeClass('box');
				$('.activeBox').addClass('box');
				var pos = number[ID].split(",");
				//$('.activeBox').css("background-image", "url(imgs/cats.jpg)");
				$('.activeBox').css("background-position", pos[0]+"px "+pos[1]+"px");
				$('.activeBox').removeClass('activeBox');
				$('#id_'+ID+'').addClass('activeBox');
				number[active]=number[ID];
				
				return ID;
				
				
		}
		
		function putValue(){
//var numbers = [1,2,3,4,5,6,7,8,9,10,11,12,13,14,15];
	function shuffle(o){ 
    for(var j, x, i = o.length; i; j = parseInt(Math.random() * i), x = o[--i], o[i] = o[j], o[j] = x);
    return o;
};

//var numbers = shuffle(numbers);
var x=0;
var y=0;


	for(i=0;i<=14;i++){
		
		//document.getElementById("id_"+i).innerHTML  = numbers[i];
		//$("#id_"+i).css("background-position", x+"px "+y+"px");
		init_number[i]=x+","+y;
    
		if(i!=3 && i!=7 && i!=11)
		{
			x = x - 125;
		}else{
			x=0;
			y= y - 125;
		}
	}
	number = shuffle(init_number);
	//num_y = shuffle(num_y);
	
	for(i=0;i<=14;i++){
		var pos = number[i].split(",");
 		//alert("Hi");
		//if(number[i]!="1,1")
			$("#id_"+i).css("background-position", pos[0]+"px "+pos[1]+"px");
	}
}
/*----------TIME--------*/
function getTimeRemaining(endtime) {
  var t = Date.parse(endtime) - Date.parse(new Date());
  var seconds = Math.floor((t / 1000) % 60);
  var minutes = Math.floor((t / 1000 / 60) % 60);
  return {
    'total': t,
    'minutes': minutes,
    'seconds': seconds
  };
}

function initializeClock(id, endtime) {
  var clock = document.getElementById(id);
  var minutesSpan = clock.querySelector('.minutes');
  var secondsSpan = clock.querySelector('.seconds');

  function updateClock() {
    var t = getTimeRemaining(endtime);
    minutesSpan.innerHTML = ('0' + t.minutes).slice(-2);
    secondsSpan.innerHTML = ('0' + t.seconds).slice(-2);

    if (t.total <= 0) {
      clearInterval(timeinterval);
      alert("SORRY!!! You lost the game :( Please try again.");
      var deadline = new Date(Date.parse(new Date()) + 5 * 60 * 1000);
initializeClock('timeLeft', deadline);
      putValue();
      var active = 15;
      init(active);
    }
  }

  updateClock();
  var timeinterval = setInterval(updateClock, 1000);
}
initializeClock('timeLeft', deadline);
              
            
!
999px

Console