.right{	 	
position:fixed;
float: right;
top:140;
right: 10px;
width: 106px;
height: 600;   
background-image: url("mice-right.jpg")

}	   
.left{	 	
position:fixed;
float: left;
top:140;
left: 10px;
width: 106px;
height: 600;   
background-image: url("mice-left.jpg")

}