.economies-energies {
    width: 855px;
    margin: 20px auto;
    position: relative;
}
.economies-energies img {
    max-width: 100%;
}
.economies-energies .consommation-energie,
.economies-energies .consommation-eau,
.economies-energies .alimentation,
.economies-energies .seconde-vie {
    width: 150px;
    height: 150px;
    position: absolute;
    display: block;
}  
.economies-energies .consommation-eau {
  left: 169px;
  top: 43px;
}
.economies-energies .consommation-energie {
  right: 16px;
  top: 134px;
}
.economies-energies .alimentation {
  bottom: 120px;
  left: 14px;
}
.economies-energies .seconde-vie {
  right: 174px;
  bottom: 12px;
}
.img-mobile {
    display: none;
}
@media (max-width:1023px) {
    .economies-energies {
        width: 100%;
    }
    .img-mobile{
        display: block;
    }
    .img-desktop{
        display: none;
    }
    .economies-energies .consommation-energie,
    .economies-energies .consommation-eau,
    .economies-energies .alimentation,
    .economies-energies .seconde-vie {
        width: 30%;
        height: auto;
    }
    .economies-energies .consommation-eau {
      left: 6px;
      top: 5px;
    }
    .economies-energies .consommation-energie {
      right: 0px;
      top: 10px;
    }
    .economies-energies .alimentation {
      bottom: 0px;
      left: 8px;
    }
    .economies-energies .seconde-vie {
      right: 30px;
      bottom: 0px;
    }
}