.photo{
	position:relative;
}
.photo img{
	width:100%;
	height:auto;
	top:0;
	left:0;
	right:0;
	margin: 0 auto;
}
.img-service-1{
	display:block;
	z-index:0;
}
.img-service-2{
	position:absolute;
	z-index:1;
}