.foto1{
position:absolute;
left:158px;
top:230.5px;
height:320px;
width:600px;
background-image:url("../imagenes/img2.png");
background-size:600px 320px;
background-position:0px 0px;
padding:10px;
}

.foto2{
position:absolute;
left:-482px;
top:230.5px;
height:320px;
width:600px;
background-image:url("../imagenes/img2.png");
background-size:600px 320px;
background-position:0px 0px;
padding:10px;
}