.cgrid {
    display: grid;
    grid-gap: 0px;
    grid-template-rows: 1fr 9fr
}

.cleft {
    display: block;
    text-align: center;
    background-color: burlywood;
    min-height: 70px;
}

.cform {
    display: block;
    text-align: center;
    background-color: turquoise;
}