@media only screen and (min-width: 769px) {
  body {
    background-size: 100% 100%;
    background-position: initial;
  }

  nav img {
    width: 200px;
    height: auto;
  }

  section.main {
    padding-top: 400px;
  }

  section.main h2 {
    font-size: initial;
  }

  section.main h2:first-of-type {
    padding-top: 0;
  }

  section.main img {
    height: 50px;
    width: 50px;
  }

  section.main .social-network {
    position: initial;
  }
}