.container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr 1fr;
}
#block5 {
    grid-column: 1/2;
    grid-row: 1/2;
}
#block6 {
    grid-column: 1/2;
    grid-row: 2/3;
}
#block7 {
    grid-column: 1/2;
    grid-row: 3/4;
}
.dirt {
    grid-column: 1/2;
    grid-row: 0;
}