body {
  align-items: center;
  background: #333;
  display: flex;
  flex-direction: column;
  height: 100vh;
  justify-content: center;
}

main {
  background-color: orangered;
  display: grid;
  grid-template-columns: 80px 80px;
  grid-auto-rows: 80px;
  grid-gap: 10px;
  width: 500px;
  height: 400px;
  padding: 16px;
  place-content: space-between center;
}

.item {
  align-items: center;
  background-color: white;
  margin: 1px;
}