.container {
    display: grid;
    grid-template-rows: 1fr 3fr 3fr 2fr 2fr;
    grid-template-columns: 1fr 2fr 1fr;
    grid-template-areas:
      "item1 item1 item1"
      "item3 item3 item3"
      "item2 item4 item4"
      "item2 item7 item7"
      "item2 item6 item5";
  }
  
  .item {
    font-size: 2rem;
  }