@media screen and (max-width: 768px) {
  .section_vision, .section-cosa-facciamo, .section-team, .section-fotovoltaico {
    background: none !important;
  }
  .section-team, .section-cosa-facciamo, .section_vision, .section-fotovoltaico {
    height: auto !important;
  }
  .logo_centered_mobile {
    position: absolute;
    top: 50%; 
    left: 50%; 
    transform: translate(-50%, -50%);
  }
}