.network{
  background: url("../../images/layouts/giordano/mainobj/network.png");
  background-position: center bottom;
  background-repeat: no-repeat;
  background-size: 50%;
  }
.system{
  background: url("../../images/layouts/giordano/mainobj/system.png");
  background-position: center bottom;
  background-repeat: no-repeat;
  background-size: 50%;
  }
.analysis{
  background: url("../../images/layouts/giordano/mainobj/analysis.png");
  background-position: center bottom;
  background-repeat: no-repeat;
  background-size: 50%;
  }