.item1 {
    grid-row: 1;
    grid-column: 1/4;
}
.item2 {
    grid-row: 2;
    grid-column: 1;
}
.item3 {
    grid-row: 2;
    grid-column: 2;
}
.item4 {
    grid-row: 2;
    grid-column: 3;
}
.item5 {
    grid-row: 3;
    grid-column: 2 / 4;
    height: 300px;
}
.item6 {
    grid-row: 3;
    grid-column: 1;
}
.item7 {
    grid-row: 4;
    grid-column: 1;
}
.item8 {
    grid-row: 4;
    grid-column: 2 / 4;

}

.grid-container {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  grid-template-rows: 93px 1fr 1fr 1fr 1fr ;
  gap: 4px;
  background-color: black;
}

.grid-container > div {
  background-color: rgb(255, 255, 255);
  text-align: center;
  padding: 20px 0;
  font-size: 30px;
}