/*ex-oc-3-4-15*/


section{
    display:grid;
    grid-template-columns: 1fr 1fr 1fr;
    grid-template-rows: 100px 100px 100px 100px 100px;
    grid-gap: 10px;
}

.e1{
    grid-column: 1 /4;
}

.e2{
    grid-row: 2 /4;
}

.e3{
    grid-column: 2 / 3;
    grid-row: 2 / 3;
}

.e4{
    grid-column: 3 / 4;
    grid-row: 2 / 3;
}

.e5{
    grid-column: 2 / 4;
    grid-row: 3 / 4;
}

.e6{
    grid-column: 1 / 3;
    grid-row: 4 / 5;
}