body {
    font-family: 'Arial Condensed', 'Arial Condensed OS', 'Roboto', sans-serif;
    font-weight: 500;
    color: rgb(102, 88, 78);
}

.box {
    position: absolute;
    top: 40%;
    left: 50%;
    margin-top: -2.5em;
    margin-left: -2.5em;
    width: 5em;
    line-height: 1.5em;
    font-size: 40px;
    display: flex;
    flex-direction: column;
}

.row {
    display: flex;
    flex-direction: row;
}

.cell {
    width: 1em;
    text-align: center;
}

.sub {
    font-size: 50%;
    text-align: center;
    letter-spacing: .25em;
    padding-left: .25em;
}