.dx07 {
background-image: url(img/07_1.jpg);
background-repeat: no-repeat;
}
.dx08 {
background-image: url(img/08_1.jpg);
background-repeat: no-repeat;
}
.centrale{
background-image: url('img/bg_centrale.jpg');
background-repeat: no-repeat;
background-position: 0% 77px;
}