@media (min-width: 900px) {
  .container-header {
    display: grid;
    grid-template-columns: auto 1fr;
    grid-template-rows: auto auto;
    align-items: center;
    padding-left: 200px;
  }
  
  .grid-child.container-logo {
    grid-column: 1;
    grid-row: 1;
  }
  
  .grid-child.container-nav {
    grid-column: 2;
    grid-row: 1;
    justify-self: end;
    padding-right: 100px;
  }
}