* {
    box-sizing: border-box;
}

body {
    margin: 20px;
}

.box {
    background-color: #444;
    color: #fff;
    border-radius: 5px;
    padding: 15px;
    font-size: 135%;
}

.wrapper {
    display: grid;
    grid-template-columns: 100px 100px 100px 100px;
    gap: 5px;
}

.a {
    grid-column: 1/3;
    grid-row: 1;
}

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

.c {
    grid-column: 1/2;
    grid-row: 2;
}

.d {
    grid-column: 2/5;
    grid-row: 2;
}

.e {
    grid-column: 1/5;
    grid-row: 3;

}