body
{
  font-family: Arial, sans-serif;
}
.grid-container {
  display: grid;
  grid-template-columns: auto auto auto;
  gap: 10px 40px;
  background-color: dodgerblue;
  padding: 10px;
}

.grid-container > div {
  background-color: #f1f1f1;
  text-align: center;
  padding: 10px;
  font-size: 30px;
}

.item1 {
  grid-row-start: 1;
  grid-row-end: 3;
  grid-column-start: 1;
  grid-column-end: 3;
}