body {
    top: 0px;
    left: 0px;
    margin: 0;
    padding: 0;
    height: 100vh;
    width: 100vw;
    display: flex;
    justify-content: center;
    align-items: center;
}

.img_logo {
    max-width: 300px;
    
}

@media (min-width: 1024px) {
  .img_logo {
    max-width: 600px;    /* Su desktop il limite sale a 600px */
  }
}