#photo1 {
position: absolute;
left: 570px;
top: 1460px;
z-index: 1;
}
#photo2 {
position: absolute;
left: 640px;
top: 1560px;
z-index: 2;
}
#photo3 {
position: absolute;
left: 710px;
top: 1660px;
z-index: 3;
}