body {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.box {
    background-color: white;
    flex: 1;
}

.row {
    background-color: white;
    display: flex;
    justify-content: space-evenly;
    flex-wrap: nowrap;
    flex: 1;
}

.container {
    background-color: white;
    border: 4px solid black;
    display: flex;
    flex-direction: column;
    flex-wrap: nowrap;
    width: 960px;
    height: 960px;
}

.inputBox {
    background-color: white;
    font-weight: bold;
    text-align: center;
    padding: 4px;
}