.box1 {
		background:#b3bb3e;
   }
   
    .box2 {
		background:#cff700;
   }
   
   .box3 {
		background:#a67e00;
   }
    .box4 {
		background:#4d7326;
   }
   
  .box1:hover , .box2:hover, .box3:hover, .box4:hover{
  background:#081710;
  color:#fff;
}

 .coupon-container {
    display: table;
	width: 996px;
	margin:auto;
	border:1px solid red;
	
    }
	
	 #left, #right,  #middle {
   
	width:30%;
	border:1px solid #000;
    }