body {
  background-color: #e6e6e6;
  color: black;
  font-family: Courier;
}

.parent {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    grid-template-rows: repeat(5, 1fr);
    gap: 8px;
}
    
.div1 {
    grid-row: span 5 / span 5;
}

.div2 {
    grid-column: span 4 / span 4;
    grid-row: span 5 / span 5;
}

.dashed-box {
  border: 2px dashed black;
  padding: 10px;
}